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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Pyridin, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Pyridin impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Pyridin-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Pyridin Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(±)-N'-Nitrosoanatabine-d3 (1,2,3,6-tetrahydropyridinyl-3,3,... Stable Isotopes CS-C-00467 Not Available Enquire
(2-[(4-Chlorobenzoyl)-(5-trifluoromethylpyridin-2-yl)amino]-... Stable Isotopes CS-T-100663 Not Available Enquire
(2E)-3-(3-Pyridinyl)-2-propenoic Acid-d4 Stable Isotopes CS-T-99855 Not Available Enquire
(3-(3-Chlorophenethyl)pyridin-2-yl-d5)(1-methylpiperidin-4-y... Stable Isotopes CS-T-101685 Not Available Enquire
(R)-3-((6-(p-Tolyl)pyridin-3-yl)oxy)quinuclidine-d4 Stable Isotopes CS-O-58291 669770-29-0(Unlabeled) Enquire
(R)-4-(5-(quinuclidin-3-yloxy)pyridin-2-yl)benzoic acid-d4 Stable Isotopes CS-O-58293 ---- Enquire
(S)-2-(2,6-Dimethylphenyl)-3,3-dimethyl-d6-hexahydroimidazo[... Stable Isotopes CS-T-97601 Not Available Enquire
[2,8-Bis(trifluoromethyl)-4-quinolinyl]-2-pyridinylmethanone... Stable Isotopes CS-T-101806 Not Available Enquire
1-(2-Ethoxy-2-oxoethyl)pyridin-1-ium-d5 Chloride Stable Isotopes CS-T-100341 1853121-29-5 Enquire
1-(3-Pyridinyl)-1-butanone-D4 Stable Isotopes CS-O-58136 1701-70-8 (Unlabelled) Enquire
1-(5-Methylpyridin-2-yl)-1H-benzo[d][1,2,3]triazole-d3 Stable Isotopes CS-T-101107 Not Available Enquire
1,4-Dihydro-1-methyl-4-oxo-3-pyridinecarboxamide-d3 Stable Isotopes CS-T-90104 1207384-47-1 Enquire
1,4-Dihydro-2,6-dimethyl-3-(2-cyanoethoxycarbonyl)-5-ethoxyc... Stable Isotopes CS-T-100441 Not Available Enquire
1-[(1E)-2-Phenylethenyl]-2(1H)-pyridinone-d5 Stable Isotopes CS-T-99887 Not Available Enquire
1-[[(6R,7R)-7-Amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.... Stable Isotopes CS-T-97819 Not Available Enquire
17-(3-Pyridinyl)-androsta-4,16-dien-3-one-d4 Stable Isotopes CS-T-99437 Not Available Enquire
1-Benzyl-3-hydroxy-4,5-bis(hydroxymethyl)-2-methylpyridin-1-... Stable Isotopes CS-T-102822 82896-37-5 Enquire
1-Boc-4-(6-aminopyridin-3-yl)piperazine-d4 Stable Isotopes CS-T-100753 1808106-94-6 Enquire
1-Hydroxy-2-(2-pyridinyl) Risedronate-d4 Hydrate (Major) Stable Isotopes CS-T-101267 Not Available Enquire
1-Methyl-2-chloromethyl-5-benzyloxypyridin-4(1H)-one Hydroch... Stable Isotopes CS-T-101124 Not Available Enquire
1-Phenyl-5-(Pyridin-2-yl)-2(1H)-Pyridone-d5 Stable Isotopes CS-T-102324 2733718-04-0 In Stock
2-(2,3,4-Trimethoxyphenyl)pyridine-d4 Stable Isotopes CS-T-102004 Not Available Enquire
2-(2-Aminobenzoyl)pyridine-d4 Stable Isotopes CS-T-100906 Not Available Enquire
2-(2-Chlorophenyl)-4-(3-(dimethylamino)phenyl)-5-methyl-1H-p... Stable Isotopes CS-T-100637 Not Available Enquire
2-(4-methylsulfonyl)phenyl-1-(6-methylpyridin-3-yl)ethanone ... Stable Isotopes CS-T-100080 Not Available Enquire
2,3-Diaminopyridine-d3 Stable Isotopes CS-T-100493 Not Available Enquire
2,3-dihydro-8-(boronic acid)-1,4-Dioxino[2,3-b]pyridine-d4 Stable Isotopes CS-T-96434 Not Available Enquire
2,5-bis(Chloromethyl)-4-methoxy-d3-3-methylpyridine Stable Isotopes CS-T-101697 Not Available Enquire
2-[(2,5-Dihydro-1,1-dioxido-3-thienyl)sulfonyl]hydrazide 4-P... Stable Isotopes CS-T-101507 Not Available Enquire
2-[(2-Azidoethoxy-d4)methyl]-4-(2-chlorophenyl)-3-ethoxycarb... Stable Isotopes CS-T-96741 1185133-69-0 Enquire
2-[(5-Benzyloxypyridin-2-yl)methylamino]ethanol-d4 Stable Isotopes CS-T-100780 1794786-87-0 Enquire
2-[2-(4-Bromophenoxy)ethyl]-5-ethylpyridine-d4 Stable Isotopes CS-T-101783 1346598-69-3 Enquire
2-[2-[4-(2,3-Dimethylphenyl)-1-piperazinyl]-2-oxoethyl]-4-(4... Stable Isotopes CS-T-100393 902499-79-9 Enquire
2-Acetyl-3,4,5,6-tetrahydropyridine-13C2 Hydrochloride Stable Isotopes CS-T-95638 1346604-15-6 Enquire
2-Acetyl-3,4,5,6-tetrahydropyridine-d4 Hydrochloride(Technic... Stable Isotopes CS-T-101945 Not Available Enquire
2-Acetylpyridine-13C2 Stable Isotopes CS-T-100931 - Enquire
2-Amino-3-bromopyridine 13C2, 15N2 Stable Isotopes CS-EK-02653 13534-99-1 unlabeled Enquire
2-Amino-3-methyl-5-bromopyridine 13C4, 15N Stable Isotopes CS-EK-00474 Not Available Enquire
2-Bromo-5-(methyl-d3)pyridine Stable Isotopes CS-K-00286 1185306-03-9 Enquire
2-Bromo-N-[4-bromo-2-(2-pyridinylcarbonyl)phenyl]-acetamide-... Stable Isotopes CS-T-100743 1694-64-0(unlabeled) Enquire
2-Chloro-6-methoxy-4-(trifluoromethyl)pyridine-D3 Stable Isotopes CS-T-100646 Not Available Enquire
2-Cyano-3-(3-chlorophenylethyl)pyridine-d5 Stable Isotopes CS-T-101649 Not Available Enquire
2-Methyl-2-(2-pyridinyl)-propanedioic Acid-d3 Stable Isotopes CS-T-100040 Not Available Enquire
2-Pyridineacetic Acid-d6 Ethyl Ester Stable Isotopes CS-T-102774 2739-98-2(Unlabelled) Enquire
3-(1-Methyl-d3-1,2,3,6-tetrahydropyridin-4-yl)-1H-indol-5-am... Stable Isotopes CS-T-99991 116480-62-7(Unlabelled) Enquire
3-(3-Pyridinylcarbonyl-D4)-1-(trimethylsilyl)-2-pyrrolidinon... Stable Isotopes CS-T-98761 Not Available Enquire
3-(4-Formylaminobutyryl)pyridine-d4 Stable Isotopes CS-T-98785 Not Available Enquire
3-(Aminocarbonyl)-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-p... Stable Isotopes CS-T-100821 Not Available Enquire
3-(Aminocarbonyl)-1,6-dimethyl-pyridinium-d3 Iodide Stable Isotopes CS-T-98787 Not Available Enquire
3-(Ethoxycarbonyl)-1-(2,3,5-tri-O-acetyl-b-D-ribofuranosyl)-... Stable Isotopes CS-T-96573 Not Available Enquire
3,5-Bisphenyl-d10-azo-2,6-diaminopyridine Stable Isotopes CS-T-100759 Not Available Enquire
3-Aminopyridine-d4 Stable Isotopes CS-T-98752 1313510-25-6 Enquire
3-Bromo-5-(2-Pyridyl)-1-Phenyl-1,2-Dihydropyridin-2-One-d5 Stable Isotopes CS-T-101777 381248-06-2(Unlabelled) In Stock
3-Hydroxy-1-methyl-5-(3-pyridinyl)-2-pyrrolidinone-d3 Stable Isotopes CS-T-97403 79581-34-3 Enquire
3-Iodo-5-[2-(2-pyridinyl)ethynyl]-benzonitrile-d4 Stable Isotopes CS-T-100150 Not Available Enquire
3-Phenylphen-d5-azopyridine Stable Isotopes CS-T-102127 Not Available Enquire
4-​(6-​Methoxy-​3-​pyridinyl)​-​1-​piperazinecarboxylic Acid... Stable Isotopes CS-T-100058 Not Available Enquire
4-​(6-​Nitro-​3-​pyridinyl)​-1-​piperazine-​2,​2,​6,​6-​d4-​... Stable Isotopes CS-T-102709 2089333-15-1 Enquire
4-​(6-​Nitro-​3-​pyridinyl)​-piperazine-​2,​2,​6,​6-​d4 Stable Isotopes CS-T-102710 2089333-08-2 Enquire
4-(2-Aminoanilino)pyridine-d4 Stable Isotopes CS-T-100908 1189459-85-5 Enquire
4-(2-Bromophenyl)-2,6-dimethyl-3,5-pyridinedicarboxylic Acid... Stable Isotopes CS-T-101782 1329793-25-0 Enquire
4-(3-Fluoro-4-((2-(methyl-d3-carbamoyl)pyridin-4-yl)amino)ph... Stable Isotopes CS-T-100299 Not Available Enquire
4-(4-Amino-3-fluorophenoxy)-N-(2-fluoro-4-((2-(methyl-d3-car... Stable Isotopes CS-T-100871 Not Available Enquire
4-(4-Chlorobutyl-d6)pyridine Stable Isotopes CS-T-101706 Not Available Enquire
4-(6-Nitro-3-pyridinyl)-1-nitroso-piperazine-2,2,6,6-d4 Stable Isotopes CS-T-104125 2089333-13-9 Enquire
4,4'-[9H-Carbazole-3,6-diyldi-(1E)-2,1-ethenediyl]bis[1-meth... Stable Isotopes CS-T-100686 647859-37-8(unlabeled) Enquire
4,5,6,7-Tetrahydrothieno[3,2-c]pyridine-13C,d2 Hydrochloride Stable Isotopes CS-T-99797 Not Available Enquire
4-[4-(4-Chlorophenyl-d4)-3,6-dihydro-1(2H)-pyridinyl]-1-(4-f... Stable Isotopes CS-T-101684 Not Available Enquire
4-Chloro-N-(Methyl-d3) Pyridine-2-Carboxamide Stable Isotopes CS-T-71836 1189858-48-7 In Stock
4-Cyanopyridine-13C3 Stable Isotopes CS-T-101645 Not Available Enquire
4-Desfluoro-4-[4-(2-Oxo-2,3-dihydro-1H-benzimidazol-1-yl)-3,... Stable Isotopes CS-T-101587 1346604-49-6 Enquire
4-Methyl-N-(5-methyl-2-pyridinyl)benzamide-d6 Stable Isotopes CS-T-100023 1330277-06-9 Enquire
5-[4-(Acetylamino)benzenesulfonyloxy]sulfapyridine-d8 Acetat... Stable Isotopes CS-T-99395 Not Available Enquire
5-Bromo-2-(1-methyl-1H-tetrazol-5-yl)pyridine-d3 Stable Isotopes CS-T-100740 Not Available Enquire
5-Bromo-2-(2-methyl-2H-tetrazol-5-yl)pyridine-d3 Stable Isotopes CS-T-100741 Not Available Enquire
5-Bromopyridine-3-carboxylic Acid-D3 Stable Isotopes CS-T-100729 Not Available Enquire
5-Hydroxy-2-methylpyridine-3,4,6-d6 Stable Isotopes CS-T-100190 Not Available Enquire
5-Hydroxy-6-methyl-4-[[(4-methylphenyl)imino]methyl]-3-pyrid... Stable Isotopes CS-T-100184 Not Available Enquire
5-Hydroxy-6-methyl-4-[[(4-methylphenyl)imino]methyl]-3-pyrid... Stable Isotopes CS-T-102823 4943-87-7(Unlabelled) Enquire
5-Hydroxysulfapyridine-d4 Stable Isotopes CS-T-99205 Not Available Enquire
6-[[3-[(1S)-2-Methoxy-1-methylethoxy]-5-[(1S)-1-methyl-2-phe... Stable Isotopes CS-T-96851 851884-87-2 Enquire
6-[1-Methyl-2-(4-phenoxyphenoxy)ethoxy]-3-pyridinol-d6 Stable Isotopes CS-T-100015 Not Available Enquire
6-[5-[[[2-(Methyl-d3-sulfonyl)ethyl]amino]methyl]-2-furanyl]... Stable Isotopes CS-T-99372 1795011-57-2 Enquire
6-Methyl-2-pyridinecarboxaldehyde-d3 Stable Isotopes CS-T-102594 1122-72-1(Unlabelled) Enquire
8-Chloro-3-methoxy-11-(1-methyl-4-piperidinyl)-6,11-dihydro-... Stable Isotopes CS-T-100647 1189492-69-0 Enquire
a,a-Diphenyl-2-pyridinemethanol Hydrochloride-d5 Stable Isotopes CS-T-102947 1215374-19-8 Enquire
Bisphenol A Disulfate Dipyridine Salt-d6 Stable Isotopes CS-T-98871 Not Available Enquire
Cetylpyridinium Chloride-d5 Stable Isotopes CS-T-102280 123-03-5 (Unlabelled) Enquire
Deoxypyridinoline-d4 Chloride Trihydrochloride Salt Stable Isotopes CS-T-101604 Not Available Enquire
Desoxypyridinoline-d7 Stable Isotopes CS-T-96721 Not Available Enquire
Dihydro-​4-​(3-​pyridinylcarbonyl)​-2(3H)​-​furanone-d2 Stable Isotopes CS-T-100440 88696-94-0 Enquire
Diquat-d8 Dibromide (dipyridine-d8) Stable Isotopes CS-T-95511 85-00-7 (Unlabelled) Enquire
Doxylamine 4-Pyridinyl Isomer-d5 Stable Isotopes CS-T-100366 Not Available Enquire
Envudeucitinib-4-Chloro-5-(1-oxopropyl-3,3,3-d3)-2-pyridinyl... Stable Isotopes CS-O-59016 2417139-44-5 Enquire
Ethyl 3-(3-Amino-N-(pyridin-2-yl)benzamido)propanoate-d4 Stable Isotopes CS-T-101413 Not Available Enquire
Ethyl 5-Bromopyridine-3-carboxylate-D3 Stable Isotopes CS-T-100728 Not Available Enquire
Hydroxylysylpyridinoline-d6 (major) Stable Isotopes CS-T-101255 Not Available Enquire
N-(3-Methylphenyl)-4-(2-pyridinyl)-1-piperidineacetamide-d7 ... Stable Isotopes CS-T-100021 Not Available Enquire
N-(5-Chloropyridin-2-yl)-N'-[(1S,2S,4R)-4-[(dimethylamino)ca... Stable Isotopes CS-T-100628 Not Available Enquire
N-(n-Butanesulfonyl)-O-[4-(4-pyridinyl)-butyl]-d6-(S)-tyrosi... Stable Isotopes CS-T-100965 Not Available Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Cetylpyridinium chloride API CS-O-06303 123-03-5 In Stock
Phenazopyridine API CS-T-39283 94-78-0 Enquire
Phenazopyridine hydrochloride API CS-T-39282 136-40-3 In Stock
Pyridine hydrobromide API CS-MM-12557 18820-82-1 Enquire


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-(4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridin-3-... Metabolite CS-O-38263 ---- Enquire
2,2'-Dithiobis(pyridine-n-oxide) Metabolite CS-AC-11316 3696-28-4 Enquire
2,3-Cyclopentenopyridine N-oxide Metabolite CS-AC-11284 90685-58-8 Enquire
2-Chloro-4-nitropyridine-n-oxide Metabolite CS-AC-10597 14432-16-7 Enquire
3-Chloro-4-nitropyridine n-oxide Metabolite CS-AC-10613 76439-45-7 Enquire
4-Chloro-3-methoxy-2-methylpyridine N-oxide Metabolite CS-T-11888 122307-41-9 In Stock
5-Bromo-2-methylpyridine n-oxide Metabolite CS-AC-11151 31181-64-3 Enquire
5-Chloro-4-iodo-2-(trifluoromethyl)pyridine Metabolite CS-MM-66959 823221-95-0 Enquire
Doxylamine Pyridine N-oxide Metabolite CS-P-00409 99430-77-0 In Stock
Niacin Metabolite (N-Methyl-2-pyridine-5-COHydroxy amide Metabolite CS-O-05873 Not Available In Stock
2,6-Dimethyl-4-nitropyridine N-oxide Metabolite CS-AC-11532 4808-64-4 Enquire
2-Chloro-5-methyl-4-nitropyridine N-oxide Metabolite CS-AC-11449 60323-96-8 Enquire
Fasudil Pyridine N-Oxide Trifluoroacetate Metabolite CS-P-08025 186544-56-9 Enquire
Neratinib pyridine N-oxide (M3) Metabolite CS-P-08336 1376619-94-1 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2-(methylamino)pyridin-3-yl)methyl 2-(methylamino)acetate h... Impurity CS-O-48950 2732924-99-9 Enquire
(2-(methylamino)pyridin-4-yl)methanol Impurity CS-ED-41532 193001-42-2 Enquire
(2S,2'R)-dimethyl 2,2'-(3,4,6,7-tetrahydrothieno[3,2-c:4,5-c... Impurity CS-O-49799 Not Available Enquire
(3-beta)-17-(3-Pyridinyl)-androsta-5,16-dien-3-ol Impurity CS-O-53538 ---- Enquire
(4aR,9aS)-7-Fluoro-2,3,4,4a,9,9a-hexahydro-1H-indeno[2,1-c]p... Impurity CS-O-59314 ---- Enquire
(5a)-17-(3-Pyridinyl)androst-16-en-3-one Impurity CS-T-60950 154229-26-2 s
(5-Methyl-3-pyridinyl)methyl Rupatadine Hcl Impurity CS-O-52800 1422960-88-0 (free Base) Enquire
(E)-6-Iodo-3-[2-(pyridin-2-yl)ethenyl]-1-(tetrahydro-2H-pyra... Impurity CS-T-93485 886230-77-9 In Stock
(E)-methyl 3-((6-(trifluoromethyl)pyridin-2-yl)oxy)-2-(2-(((... Impurity CS-T-93801 Not Available Enquire
(hydroxy(pyridin-2-yl)methylene)bis(4,1-phenylene)bis(hydrog... Impurity CS-O-52960 2379878-04-1 Enquire
(R)-3-((3-Fluoro-4-(6-(2-methyl-2H-tetrazol-5-yl)pyridin-3-y... Impurity CS-O-45792 2095200-69-2 Enquire
(R)-5-(1-(2,6-dichloro-3-fluorophenyl)ethoxy)-2-nitropyridin... Impurity CS-O-59985 ---- Enquire
(R)-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)m... Impurity CS-O-54799 ---- Enquire
(S)-4-(8-amino-3-(pyrrolidin-2-yl)imidazo[1,5-a]pyrazin-1-yl... Impurity CS-O-37316 1420478-90-5 In Stock
(S)-ethyl 3-(8-bromo-1-methyl-6-(pyridin-2-yl)-4H-benzo[f]im... Impurity CS-O-50611 1860899-55-3 Enquire
(S)-methyl 2-(3-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyr... Impurity CS-O-49805 Not Available Enquire
(S)-methyl 2-(4-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyr... Impurity CS-O-49806 Not Available Enquire
(S)-methyl 2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)-2-ph... Impurity CS-O-49808 Not Available Enquire
(Z)-3-(2-(((4-(N'-Hydroxycarbamimidoyl)phenyl)amino)methyl)-... Impurity CS-O-59214 ---- Enquire
1-(4-Aminophenyl)-3-chloro-5,6-dihydro-2(1H)-pyridinone Impurity CS-T-96113 1801881-15-1 Enquire
1-(4-Aminophenyl)-3-morpholino-5,6-dihydropyridin-2(1H)-one Impurity CS-BX-00878 1267610-26-3 In Stock
1-(5-(2,6-Difluorophenyl)-1-(Pyridin-3-Ylsulfonyl)-1H-Pyrrol... Impurity CS-O-51505 928325-41-1 Enquire
1-(5-Methoxy-1H-benzo[d]imidazole-2-carbonothioyl)-3,5-dimet... Impurity CS-O-52360 Not Available Enquire
1,2-bis(3-((R)-1-(2,6-dichloro-3-fluorophenyl)ethoxy)pyridin... Impurity CS-O-59986 ---- Enquire
1,2-Di(pyridin-3-yl)disulfane Impurity CS-O-46226 24367-50-8 Enquire
1,3-di(pyridin-3-yl)trisulfane Impurity CS-O-46227 Not Available Enquire
1,4,5,6-tetrahydropyridin Vonoprazan Fumarate Impurity CS-O-53542 ---- Enquire
1-[5-(Difluoromethoxy)-1H-benzimidazol-2-yl]-3-methoxy-4-oxo... Impurity CS-T-93679 2512209-15-1 In Stock
1-Benzyl-4-(5,6-dimethoxy-1-oxoindan-2-yl)methylpyridinium B... Impurity CS-T-48865 231283-82-2 In Stock
1-Ethyl-4-((6-((5-fluoro-4-(4-fluoro-1-isopropyl-2-methyl-1H... Impurity CS-O-55135 ---- Enquire
1-Phenyl-3-(Hexahydro-Pyridine-1-yl)Propan-1-One Impurity CS-T-40121 886-06-6 In Stock
2-(((3-methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl)methyl)s... Impurity CS-O-53789 ---- Enquire
2-((3-(4-chlorophenyl)-3-(pyridin-2-yl)propyl)dimethylammoni... Impurity CS-O-39199 Not Available Enquire
2-((5-Methoxy-1H-benzo[d]imidazol-2-yl)methyl)-3,5-dimethylp... Impurity CS-O-43276 Not Available Enquire
2-(1H-benzo[d]imidazol-2-yl)-2-(3-methyl-4-(2,2,2-trifluoroe... Impurity CS-O-53787 ---- Enquire
2-(4-Chloro-3-nitrophenyl)pyridine Impurity CS-O-56762 916050-62-9 Enquire
2-(4-Chlorophenyl)-2-(pyridin-2-yl)acetonitrile Impurity CS-O-46375 5005-37-8 Enquire
2-(7-Methyl-2-(p-tolyl)imidazo[1,2-a]pyridin-3-yl)acetic aci... Impurity CS-O-53116 387400-34-2 Enquire
2-(chloromethyl)-3-methoxypyridin-4-ol hydrochloride Impurity CS-O-59863 ---- Enquire
2,2'-(Pyridin-2-ylmethylene)diphenol Impurity CS-O-44989 16985-07-2 Enquire
2,6-dihydroxy-4-isobutylpyridine-3,5-dicarbonitrile Impurity CS-O-52654 861318-48-1 Enquire
2-[[(5-methoxy-1H-benzimidazol-2-yl) sulfinyl] methyl]-3, 5-... Impurity CS-O-36461 2362529-32-4 In Stock
2-[1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimid... Impurity CS-T-74988 428854-24-4 Enquire
2-amino-3-carboxy-7-isopropyl-5-oxo-5H-chromeno[2,3-b]pyridi... Impurity CS-O-39952 Not Available Enquire
2-Amino-4-methylpyridine Impurity CS-M-56831 695-34-1 In Stock
2-Chloro Methyl-3-Methyl-4-(2,2,2 Trifluoroethoxy)Pyridine Impurity CS-O-31882 127337-60-4 In Stock
2-Mercaptopyridine N-Oxide Sodium Salt Impurity CS-T-57504 3811-73-2 In Stock
2-Methyl-5-vinylpyridine Impurity CS-DL-00804 140-76-1 Enquire
2-Propylpyridin-3-ol Succinate Impurity CS-ED-42332 1381870-22-9 Enquire
3-((6S,8aR)-5,8-dioxohexahydro-1H-thiazolo[3,4-a]pyridin-6-y... Impurity CS-O-55027 ---- Enquire
3-(2-((5-carboxy-2-methylphenyl)amino)pyrimidin-4-yl)pyridin... Impurity CS-O-56024 2729981-89-7 Enquire
3-(3-(3-((1E,2E)-3-Amino-1-(pyridin-3-yl)allylidene)guanidin... Impurity CS-O-54919 ---- Enquire
3-(3,4-Dichlorophenyl)-5-[3-(3-pyridinyl)phenyl]-2-(trifluor... Impurity CS-O-52228 1832592-68-3 Enquire
3,3'-((4-((3-methoxy-3-oxopropyl)(pyridin-2-yl)carbamoyl)-2-... Impurity CS-O-57713 ---- Enquire
3,4-diamino-1-(3,4-diaminopyridin-2-yl)pyridinium Impurity CS-O-46389 Not Available Enquire
3,5-Dichloropyridin-2-amine Impurity CS-M-47264 4214-74-8 In Stock
3-amino-4-(methylamino)-N-(pyridin-2-yl)benzamide Impurity CS-O-53975 ---- Enquire
3-Hydroxy-3-(methyl(2-(pyridin-2-yl)ethyl)carbamoyl)pentaned... Impurity CS-O-53843 ----- Enquire
3-Hydroxy-4-aminopyridine Impurity CS-O-07739 52334-53-9 In Stock
3-Methyl-1-Phenyl-2(1H)-Pyridinone Impurity CS-T-95809 53427-93-3 Enquire
3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinemethanol Impurity CS-T-35303 103577-66-8 In Stock
3-morpholino-1-(2-(2-oxopiperidin-1-yl)phenyl)-5,6-dihydropy... Impurity CS-O-52538 Not Available Enquire
3-morpholino-1-(3-(2-oxopiperidin-1-yl)phenyl)-5,6-dihydropy... Impurity CS-O-52537 Not Available Enquire
3-Morpholino-1-(3-nitrophenyl)-5,6-dihydropyridin-2(1H)-one Impurity CS-BL-00112 2443747-50-8 Enquire
3-Morpholino-1-(4-(2-oxopiperidin-1-yl)phenyl)-5,6-dihydropy... Impurity CS-O-31950 545445-44-1 In Stock
3-Pyridinesulfonic acid Impurity CS-M-57748 636-73-7 Enquire
3β-(4-Chlorobutoxy)-17-(pyridin-3-yl) androsta-5,16-diene Impurity CS-O-35334 2484719-17-5 In Stock
4-(((5-((3-ethoxy-3-oxopropyl)(pyridin-2-yl)carbamoyl)-1-met... Impurity CS-O-37827 ---- In Stock
4-(6-(5-(2,4-difluorophenylsulfonamido)-6-methoxypyridin-3-y... Impurity CS-O-44968 1313994-59-0 Enquire
4,4'-(Hydroxy(pyridin-2-yl)methylene)diphenol Impurity CS-O-44992 Not Available Enquire
4,4′-Di-tert-butyl-2,2′-bipyridine-6-N-cyanocarboxamidine Impurity CS-O-43384 2755915-54-7 Enquire
4,5,6,7-tetrahydrothieno[3,2-c]pyridine Impurity CS-DE-01594 54903-50-3 Enquire
4-[(2,6-Dimethyl-3-nitro-4-pyridinyl)amino]benzeneethanol Impurity CS-O-52704 415908-90-6 Enquire
4-Aminopyridine N-Oxide Impurity CS-T-48067 3535-75-9 In Stock
4-CHloro-3-methoxy-2-methyl-pyridine hydrochloride Impurity CS-O-60136 1951439-74-9 Enquire
4-chloro-N-methyl-N-(2-(methylcarbamoyl)pyridine-4-yl)picoli... Impurity CS-O-43400 Not Available Enquire
4-Methyl-1-phenylpyridin-2(1H)-one Impurity CS-O-43369 161057-93-8 Enquire
4-Methyl-3-[[4-(3-pyridinyl)-2-pyrimidinyl]amino]benzoic aci... Impurity CS-O-13005 917392-54-2 In Stock
4-Methylpyridine Impurity CS-T-34337 108-89-4 In Stock
5-(piperazin-1-yl)pyridin-2-amine Impurity CS-T-93295 1082876-26-3 In Stock
5,6,7,7a-Tetrahydrothieno[3,2-c]pyridin-2(4H)-one Impurity CS-MM-60130 109904-37-2 Enquire
5,6,7,8-Tetrahydroimidazo[1,2-a]pyridin-2-amine Impurity CS-O-54296 1368127-83-6 Enquire
5-[[(4-Fluorophenyl)methyl]amino]-1,3-dihydro-2H-imidazo[4,5... Impurity CS-T-54894 951624-49-0 In Stock
5-Amino-2-chloropyridine Impurity CS-M-06318 5350-93-6 In Stock
5-Bromo-3-pyridinecarboxylic acid Impurity CS-M-07597 20826-04-4 In Stock
5-chloro-[1,2,4]triazolo[1,5-a]pyridine-8-carbonitrile Impurity CS-O-52291 2306268-86-8 Enquire
5-Chloro-3-[4-(methylsulfonyl)phenyl]-α-[6-(methylsulfonyl)-... Impurity CS-O-47170 646459-47-4 Enquire
5-Chloro-6′-methyl-3-[4-(methylthio)phenyl]-2,3′-bipyridine Impurity CS-O-48995 292067-97-1 Enquire
5-Fluoro-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-car... Impurity CS-O-40932 1350653-26-7 Enquire
5-Methyl-4,5,6,7- tetrahydrothiazolo [5,4-c]pyridine-2-carbo... Impurity CS-O-15374 720720-96-7 In Stock
6-(Piperazin-1-yl)pyridin-3-amine Impurity CS-O-51247 119285-06-2 In Stock
6,7-Dihydro-5H-cyclopenta[b]pyridine 2,3-CYCLOPENTANO PYRIDI... Impurity CS-O-31649 533-37-9 In Stock
6-Amino-1-trityl-6,7-dihydro-1H-imidazo[4,5-c]pyridin-4(5H)-... Impurity CS-O-48880 ---- In Stock
6-Methoxy-2-(4-methoxy-3,5-dimethyl-2-pyridinyl)-1H-benzimid... Impurity CS-O-46125 2555002-22-5 Enquire
7-methoxy-[1,2,4]triazolo[1,5-a]pyridine Impurity CS-O-47263 1250443-32-3 Enquire
9-Fluoro-2-(3-pyridinyl)[1,2,4]triazolo[1,5-c]quinazoline Impurity CS-O-57101 1324056-91-8 Enquire
9-Fluoro-2-(4-pyridinyl)[1,2,4]triazolo[1,5-c]quinazoline Impurity CS-O-57098 1324059-08-6 Enquire
Acetamide, N-[4-[[3-chloro-4-(2-pyridinylmethoxy)phenyl]amin... Impurity CS-CB-00020 915941-95-6 In Stock
Barnidipine HCl Pyridine Derivative Impurity CS-O-52266 Not Available Enquire
Chlorpheniramine N-oxide (Pyridine-N-oxide) Impurity CS-O-46378 78180-89-9 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2S)-2-Amino-2-(pyridin-3-yl)acetic acid Intermediate CS-O-49830 1240587-42-1 Enquire
(2S)-N1-[4-Methyl-5-[2-(2,2,2-trifluoro-1,1-dimethylethyl)-4... Intermediate CS-T-58706 1217486-61-7 In Stock
(4-Chlorophenyl)(2-pyridinyl)methanone Intermediate CS-O-32180 6318-51-0 In Stock
(5-Fluoro-6-methylpyridin-3-yl)boronic acid Intermediate CS-ED-41821 1858215-94-7 Enquire
(5R)-5-ETHYL-5-HYDROXY-1,4,5,8-TETRAHYDROOXEPINO[3,4-C]PYRID... Intermediate CS-O-49367 221054-70-2 Enquire
(E)-2-hydrazono-2,5,6,7-tetrahydro-1H-cyclopenta[b]pyridine Intermediate CS-O-49217 937667-54-4 Enquire
(R)-2-((1-(2-Aminopyridin-3-yl)ethyl)amino)ethan-1-ol Intermediate CS-ED-42018 2850324-83-1 Enquire
(R)-5-Bromo-3-(1-(2,6-dichloro-3-fluorophenyl)ethoxy)pyridin... Intermediate CS-DV-00320 877399-00-3 In Stock
(S)-1-(6-(4-Fluoro-1H-pyrazol-1-yl)pyridin-3-yl)ethan-1-amin... Intermediate CS-ED-41876 1980023-97-9 Enquire
(S)-Methyl 3-(7-bromo-2-oxo-5-(pyridin-2-yl)-2,3-dihydro-1H-... Intermediate CS-O-41649 308242-23-1 In Stock
(Z)-4-hydrazono-6-methyl-4,5-dihydrofuro[3,2-c]pyridine Intermediate CS-O-49218 57053-32-4 Enquire
1-(Oxan-4-yl)-1-(pyridin-2-yl)methanamine Intermediate CS-O-49643 1342565-18-7 Enquire
1,1'-(1,2-Phenylene)bis(5-methylpyridin-2(1H)-one) Intermediate CS-O-51179 Not Available Enquire
1,2-bis(4-chloro-3-(pyridin-2-yl)phenyl)diazene 1-oxide Intermediate CS-O-47389 1802358-67-3 Enquire
1,2-bis(4-chloro-3-(pyridin-2-yl)phenyl)hydrazine Intermediate CS-O-47390 1977536-54-1 Enquire
1,4-Dihydro-2,6-dimethyl-4-(2',3'-dichlorophenyl)-5-carboxy ... Intermediate CS-T-15850 123853-39-4 In Stock
1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine, Hydrochloride Intermediate CS-O-10190 23007-85-4 In Stock
1-methyloctahydro-1H-pyrrolo[2,3-c]pyridine dihydrochloride Intermediate CS-O-46743 2126177-49-7 Enquire
1-Phenyl-5-(pyridin-2-yl)-2(1H)-pyridone Intermediate CS-T-84804 381725-50-4 In Stock
2-((5-chloropyridin-2-yl)amino)-2-oxoacetic acid Intermediate CS-O-43419 552850-73-4 In Stock
2-(2-chloro-3,5-dinitrophenyl)pyridine Intermediate CS-O-47395 Not Available Enquire
2-(2-Chloro-3,6-dinitrophenyl)pyridine Intermediate CS-O-47397 Not Available Enquire
2-(2-chloro-3-nitrophenyl)pyridine Intermediate CS-O-47394 1922106-89-5 Enquire
2-(2-chloro-5-nitro phenyl)-4-nitro pyridine Intermediate CS-O-47400 Not Available Enquire
2-(2-Chloro-6-nitrophenyl)pyridine Intermediate CS-O-47396 1562430-93-6 Enquire
2-(2-chlorophenyl) pyridine Intermediate CS-O-47392 4381-32-2 Enquire
2-(6-Chloro-2,3-dinitrophenyl)pyridine Intermediate CS-O-47398 Not Available Enquire
2-(hydroxymethyl)-3,5-dimethylpyridin-4-ol Intermediate CS-O-52086 727375-13-5 Enquire
2,2'-Bipyridine-5,5'-dicarboxylic acid Intermediate CS-AC-08093 1802-30-8 In Stock
2,3-Dichloro-5-(trifluoromethyl)pyridine Intermediate CS-T-17822 69045-84-7 In Stock
2,3-Dimethylpyridine Intermediate CS-DA-00539 583-61-9 In Stock
2,3-Dinitro-4-pyridinamine Intermediate CS-P-09101 1805397-64-1 Enquire
2,5-Dihydroxymethyl-4-methoxy-3-methylpyridine Intermediate CS-T-19217 120003-76-1 In Stock
2,5-Dinitro-3-pyridinamine Intermediate CS-O-54691 1805482-99-8 Enquire
2,5-Pyridinedicarboxylic Acid Intermediate CS-T-41063 100-26-5 In Stock
2,6-Bis[(4R)-4-tert-butyl-2-oxazolin-2YL]pyridine Intermediate CS-ED-13564 185346-17-2 In Stock
2,6-Diaminopyridine Intermediate CS-T-16931 141-86-6 In Stock
2-[(S)-(4-Chlorophenyl)(4-piperidinyloxy)methyl]pyridine (2R... Intermediate CS-O-16621 210095-58-2 In Stock
2-[2-(Dimethylamino)ethyl]pyridine Intermediate CS-EL-05060 6304-27-4 In Stock
2-[4-chlorophenyl(4-piperidinyloxy)methyl]pyridine Intermediate CS-O-32038 122368-54-1 In Stock
2-Amino-3-benzyloxypyridine Intermediate CS-T-01981 24016-03-3 In Stock
2-Amino-3-chloropyridine Intermediate CS-M-20360 39620-04-7 In Stock
2-Amino-3-methylpyridine Intermediate CS-T-03073 1603-40-3 Enquire
2-Amino-3-nitro-6-(4’-fluorobenzylamino)-pyridine Intermediate CS-T-03144 33400-49-6 In Stock
2-Amino-3-nitro-6-chloropyridine Intermediate CS-M-55357 27048-04-0 In Stock
2-amino-4-(pyridin-3-yl)butanoic acid Intermediate CS-O-49844 99461-41-3 Enquire
2-Amino-4-chloropyridine Intermediate CS-T-02225 19798-80-2 In Stock
2-Amino-6-bromopyridine Intermediate CS-T-02050 19798-81-3 In Stock
2-Amino-6-chloropyridine Intermediate CS-M-13561 45644-21-1 In Stock
2-Amino-6-methylpyridine Intermediate CS-BM-00045 1824-81-3 In Stock
2-Bromo-6-methylpyridine Intermediate CS-M-06225 5315-25-3 In Stock
2-Bromo-N-methyl-4-pyridinamine Intermediate CS-O-49655 847799-64-8 Enquire
2-Bromopyridine Intermediate CS-M-57366 109-04-6 Enquire
2-Chloro-3,5-bis(trifluoromethyl)pyridine Intermediate CS-T-102292 70158-60-0 Enquire
2-Chloro-5-(chloromethyl)pyridine Intermediate CS-M-10742 70258-18-3 In Stock
2-Chloromethyl-3,4-dimethoxypyridine hydrochloride Intermediate CS-O-14912 72830-09-2 In Stock
2-Chloromethyl-4-methoxy-3,5-dimethyl pyridine HCL Intermediate CS-O-31339 86604-75-3 In Stock
2-Chloromethylimidazo[1,2-a]pyridine-6-carbonitrile Intermediate CS-ED-41874 885275-72-9 Enquire
2-Chloro-N-(2-chloro-4-methyl-3-pyridinyl)-3-pyridinecarboxa... Intermediate CS-T-11334 133627-46-0 In Stock
2-Chloropyridine Intermediate CS-T-12615 109-09-1 In Stock
2-Ethyl-6-methyl-3-pyridinol hydrochloride Intermediate CS-M-44129 13258-59-8 In Stock
2-Hydroxy-3-methylpyridine Intermediate CS-AC-11155 1003-56-1 In Stock
2-Hydroxy-5-nitro-3-(trifluoromethyl)pyridine Intermediate CS-M-00271 99368-66-8 In Stock
2-Hydroxymethyl-3,5-dimethyl-4-nitropyridine Intermediate CS-DT-00005 149082-03-1 In Stock
2-oxo-4-(pyridin-3-yl)butanoic acid Intermediate CS-O-49835 780750-43-8 Enquire
2-Pyridinemethanamine Intermediate CS-T-41047 3731-51-9 In Stock
3-(4-(4-((14-azido-3,6,9,12-tetraoxatetradecyl)oxy)naphthale... Intermediate CS-O-55377 ---- Enquire
3,5-Difluoropyridine Intermediate CS-M-14483 71902-33-5 In Stock
3-Amino-2,6-dinitropyridine Intermediate CS-O-54690 1807159-62-1 Enquire
3-Amino-4-chloropyridine Intermediate CS-T-02222 20511-15-3 In Stock
3-Aminopyridine Intermediate CS-T-03425 462-08-8 In Stock
3-Bromo-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one Intermediate CS-T-68181 381248-06-2 In Stock
3-bromopyridin-4-amine hydrochloride Intermediate CS-O-47550 1196154-01-4 Enquire
3-Cyanopyridine Intermediate CS-T-91000 100-54-9 In Stock
3-Hydroxy-2-methylpyridine Intermediate CS-T-27999 1121-25-1 In Stock
3-Pyridineacetic Acid Intermediate CS-T-41101 501-81-5 In Stock
4-(2-Pyridinyl)benzaldehyde Intermediate CS-T-41132 127406-56-8 In Stock
4-(4-Pyridinyl)thiazole-2-thiol Intermediate CS-O-31913 77168-63-9 In Stock
4-(Aminomethyl)pyridine Intermediate CS-T-03078 3731-53-1 In Stock
4-(Aminomethyl)pyridine-2-carbonitrile hydrochloride Intermediate CS-O-50058 1461713-44-9 Enquire
4-(bromomethyl)pyridine Intermediate CS-O-49539 54751-01-8 Enquire
4,4′-(2,6-Pyridinediyl)bis[1H-1,2,3-triazole-1-propanol] Intermediate CS-O-49234 947258-49-3 Enquire
4,5,6,7-Tetrahydrothieno[2,3-c]pyridine Hydrochloride Intermediate CS-M-47990 28783-38-2 In Stock
4,6-Dinitro-3-pyridinamine Intermediate CS-O-54692 1805483-09-3 Enquire
4-[(5-Bromo-2-pyridinyl)methyl]morpholine Intermediate CS-O-47551 294851-95-9 Enquire
4-[2-(5-Ethyl-2-pyridinyl)ethoxy]benzenemethanol Intermediate CS-T-54563 144842-17-1 In Stock
4-[4-[2-(2-Pyridinyloxy)propoxy]phenoxy]phenol Intermediate CS-T-85012 159600-61-0 In Stock
4′-Methyl[2,2′-bipyridine]-4-propanoic acid Intermediate CS-O-51487 149762-81-2 Enquire
4-Amino-3,5-dibromopyridine Intermediate CS-M-57165 84539-34-4 In Stock
4-Amino-3-nitropyridine Intermediate CS-M-51941 1681-37-4 In Stock
4-Bromo-2,6-bis(bromomethyl)pyridine Intermediate CS-O-49109 106967-42-4 Enquire
4-Bromo-2,6-pyridinedimethanol Intermediate CS-O-49108 120491-88-5 Enquire
4-Bromo-2-chloro-6-methoxypyridine Intermediate CS-O-49834 1196152-02-9 Enquire
4-chloro-2-(pyridin-3-yl)quinoline Intermediate CS-O-55432 954225-59-3 Enquire
4-chloro-2-(pyridin-4-yl)quinoline Intermediate CS-O-55433 888500-29-6 Enquire
4-Chloro-3-(pyridin-2-yl)benzenamine Intermediate CS-O-32448 879088-41-2 In Stock
4-chloro-6,7,8-trimethoxy-2-(pyridin-3-yl)quinazoline Intermediate CS-O-55428 1623478-63-6 Enquire
4-Chloro-N-methyl-2-pyridinecarboxamide Intermediate CS-O-31808 220000-87-3 In Stock
4-Chloropyridine-2-carboxamide Intermediate CS-M-08751 99586-65-9 In Stock
4-cyanopyridine (4-CP) Intermediate CS-O-10720 100-48-1 In Stock


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Amino-1-methyl-6-phenylimidazo[4,5-b]pyridine-Beta-D-Glucu... Glucuronide CS-T-47936 133084-70-5 Enquire
3,5,6-Trichloro-2-pyridinol-beta-D-Glucuronide Glucuronide CS-T-62269 58997-12-9 Enquire
Sulfapyridine glucuronide Glucuronide CS-O-53083 69233-17-6 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1H-Pyrrolo[2,3-b]pyridin-5-yl)boronic acid Fine Chemicals CS-O-54173 944059-24-9 Enquire
(2-Bromopyridin-4-yl)methanamine Fine Chemicals CS-ED-41835 858362-82-0 Enquire
(2-Fluoropyridin-4-yl)methanamine hydrochloride Fine Chemicals CS-ED-41836 859164-65-1 Enquire
(3R,4R)-3-[(6-Amino-4-pyrimidinyl)methylamino]-4-methyl-β-ox... Fine Chemicals CS-TA-06370 1640971-60-3 In Stock
1-(4-Morpholinyl)-2-(3-pyridinyl)ethanone Fine Chemicals CS-ED-42307 91181-12-3 Enquire
1-(6-Nitropyridin-3-yl)piperazine hydrochloride Fine Chemicals CS-ED-02234 1221726-34-6 In Stock
1,1′-Dioctyl-4,4′-bipyridinium ditriflimide Fine Chemicals CS-O-50223 270256-50-3 Enquire
1,1'-Dimethyl-4,4'-dipyridinium-dichlorid Fine Chemicals CS-ZH-36303 75365-73-0 In Stock
1,2-Dihydropyridin-2-one Fine Chemicals CS-O-31071 72762-00-6 In Stock
1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine Fine Chemicals CS-T-34744 28289-54-5 Enquire
2-(3-chloro-5-nitrophenyl)pyridine Fine Chemicals CS-O-57921 ---- Enquire
2-(Chloro(4-chlorophenyl)methyl)pyridine Fine Chemicals CS-O-16214 142404-69-1 In Stock
2-(Methylamino)pyridine-3-methanol Fine Chemicals CS-AC-03753 32399-12-5 In Stock
2,3,5-Trimethylpyridine Fine Chemicals CS-T-62488 695-98-7 In Stock
2,3,6-Trichloro-5-cyanopyridine Fine Chemicals CS-BX-02495 40381-92-8 In Stock
2,4-(2-Pyridinyl-2methylene)diphenol Fine Chemicals CS-T-41121 16985-05-0 In Stock
2,4-Dichloro-3-nitropyridine Fine Chemicals CS-BL-00107 5975-12-2 Enquire
2,4-Dichloropyridine Fine Chemicals CS-M-06247 26452-80-2 In Stock
2,4-Dimethylpyridine-3-boronic acid Fine Chemicals CS-BL-00077 1029654-16-7 Enquire
2,4-Pyridinedicarboxylic acid monohydrate Fine Chemicals CS-ED-42121 207671-42-9 Enquire
2,5-Difluoropyridine Fine Chemicals CS-M-20349 84476-99-3 In Stock
2,6-bis((3aR,8aS)-8,8a-dihydro-3aH-indeno[1,2-d]oxazol-2-yl)... Fine Chemicals CS-ED-15036 357209-32-6 In Stock
2,6-Dibromopyridine Fine Chemicals CS-M-06360 626-05-1 In Stock
2,6-Dichloropyridine-3-carboxylic acid Fine Chemicals CS-M-06282 38496-18-3 In Stock
2-Acetylpyridine Fine Chemicals CS-T-01060 1122-62-9 In Stock
2-Amino-3-hydroxypyridine Fine Chemicals CS-T-02789 16867-03-1 In Stock
2-Amino-3-methyl-3H-imidazo[4,5-b]pyridine-6-carboxylic Acid Fine Chemicals CS-O-60051 1001754-93-3 Enquire
2-Amino-5-bromopyridine Fine Chemicals CS-T-02033 1072-97-5 In Stock
2-Amino-5-chloropyridine Fine Chemicals CS-M-11139 1072-98-6 In Stock
2-Amino-5-methylpyridine Fine Chemicals CS-T-03067 1603-41-4 In Stock
2-Aminopyridine Fine Chemicals CS-M-42019 504-29-0 In Stock
2-Benzoylpyridine Fine Chemicals CS-T-05303 91-02-1 In Stock
2-Bromo-5-hydroxypyridine Fine Chemicals CS-M-08763 55717-45-8 In Stock
2-bromo-6,7-dihydro-5H-furo[3,2-c]pyridin-4-one Fine Chemicals CS-O-54178 1379361-49-5 Enquire
2-Chloro-3-cyanopyridine Fine Chemicals CS-M-01808 6602-54-6 In Stock
2-chloro-5-methylpyridine Fine Chemicals CS-BM-00049 18368-64-4 In Stock
2-Chloro-6-(trichloromethyl)pyridine Fine Chemicals CS-M-06260 1929-82-4 In Stock
2-Chloro-6-(trifluoromethoxy)pyridin-3-amine Fine Chemicals CS-ED-42091 1221172-05-9 Enquire
2-Ethylpyridine Fine Chemicals CS-T-54612 100-71-0 In Stock
2-Fluoropyridine Fine Chemicals CS-M-03029 372-48-5 In Stock
2-Hydroxy-5-methylpyridine Fine Chemicals CS-M-55267 91914-06-6 In Stock
2-Hydroxy-6-methylpyridine Fine Chemicals CS-M-06238 3279-76-3 In Stock
2-methyl-4-(3-nitrophenyl)pyridine Fine Chemicals CS-O-55108 4385-82-4 Enquire
2-Pyridinecarboxaldehyde Fine Chemicals CS-M-58049 1121-60-4 In Stock
2-Pyridineethanol Fine Chemicals CS-T-41046 103-74-2 In Stock
2-Pyridinesulfonic acid Fine Chemicals CS-O-55217 815103-48-7 Enquire
2-Pyridinyl Disulfide Fine Chemicals CS-DU-00195 2127-03-9 In Stock
2-Vinylpyridine Fine Chemicals CS-T-46460 100-69-6 In Stock
3-(4-Chlorobenzoyl)pyridine Fine Chemicals CS-ED-42008 14548-44-8 Enquire
3,3'-Bipyridine Fine Chemicals CS-ED-02246 581-46-4 Enquire
3,4-Dimethoxy-2-methylpyridine hydrochloride Fine Chemicals CS-ZH-17328 1210824-88-6 Enquire
3,5-Dimethyl-4-nitropyridine 1-Oxide Fine Chemicals CS-T-93432 14248-66-9 In Stock
3,5-Pyridinedisulfonyl dichloride Fine Chemicals CS-O-52862 13069-02-8 Enquire
3-Bromo-1,5,6,7-tetrahydro-4-methyl-2H-cyclopenta[b]pyridin-... Fine Chemicals CS-O-59812 2167296-51-5 Enquire
3-bromo-4-methyl-6,7-dihydro-1H-cyclopenta[b]pyridin-2(5H)-o... Fine Chemicals CS-O-59813 2172497-87-7 Enquire
3-Bromo-5-chloropyridin-2-ol Fine Chemicals CS-O-54174 137628-16-1 Enquire
3-Bromo-5-chloropyridin-4-amine Fine Chemicals CS-ED-42214 159783-78-5 Enquire
3-Bromopyridine Fine Chemicals CS-M-52658 626-55-1 In Stock
3-Chloro-4-(pyridin-3-yl)-1,2,5-thiadiazole Fine Chemicals CS-M-21380 131986-28-2 Enquire
3H-Imidazo[4,5-b]pyridine-6-boronic Acid Fine Chemicals CS-O-54175 1374263-88-3 Enquire
3-Hydroxy-1-(3-pyridinyl)-2-propen-1-one Fine Chemicals CS-O-54582 55735-45-0 Enquire
3-Hydroxymethyl-5-Methylpyridine Fine Chemicals CS-MM-28665 102074-19-1 In Stock
3-Hydroxypyridine-2-carboxylic acid Fine Chemicals CS-M-06317 874-24-8 In Stock
3-Pyridinemethanol Fine Chemicals CS-T-41145 100-55-0 In Stock
4-(Aminomethyl)pyridin-3-amine Fine Chemicals CS-O-50057 144288-49-3 Enquire
4,6-Bis(trifluoromethyl)-3-pyridinecarboxylic acid Fine Chemicals CS-O-51901 1105997-88-3 Enquire
4-Amino-2,6-Dichloro-3-Nitropyridine Fine Chemicals CS-M-55968 2897-43-0 In Stock
4-Amino-5-(trifluoromethyl)pyridin-2-ol Fine Chemicals CS-BL-00097 1806967-28-1 Enquire
4-Bromo-3-pyridineacetonitrile Fine Chemicals CS-O-49769 1211539-87-5 Enquire
4-bromo-6-methylpyridin-2(1H)-imine Fine Chemicals CS-ED-41956 524718-27-2 Enquire
4-Chloro-3-methoxy-2-methyl-pyridine Fine Chemicals CS-DV-02727 107512-34-5 Enquire
4-Chloropyridine-2-carboxylic acid Fine Chemicals CS-M-15811 5470-22-4 In Stock
4-Mercaptopyridine Fine Chemicals CS-T-31862 4556-23-4 In Stock
4-Methoxypyridine Fine Chemicals CS-T-57847 620-08-6 In Stock
4-Methyl-1H-pyrrolo[2,3-b]pyridine-6-carboxylic Acid Fine Chemicals CS-O-60054 1638760-99-2 Enquire
4-Methylpyridin-3-ol Fine Chemicals CS-M-56057 1121-19-3 In Stock
4-Pyridineacetic acid Fine Chemicals CS-ED-42308 28356-58-3 Enquire
5-(2-Pyridyl)-1,2-dihydropyridin-2-one Fine Chemicals CS-T-41114 381233-78-9 In Stock
5-Boc-4,5,6,7-tetrahydrofuro[3,2-c]pyridine Fine Chemicals CS-O-54715 179060-34-5 Enquire
5-Bromo-2,4-Bis(trifluoromethyl)pyridine Fine Chemicals CS-ED-42161 1099598-05-6 Enquire
5-Bromo-2-methylpyridin-3-amine Fine Chemicals CS-BX-02493 914358-73-9 In Stock
5-Bromo-3-methoxypyridine Fine Chemicals CS-M-03511 50720-12-2 In Stock
5-Chloropyridine-3-sulfonic acid Fine Chemicals CS-O-52293 2358783-64-7 Enquire
5-Methyl-3H-imidazo[4,5-b]pyridine-6-carboxylic Acid Fine Chemicals CS-O-60052 2166954-77-2 Enquire
5-methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-ol Fine Chemicals CS-O-54064 92333-99-8 Enquire
6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-imidazo[4... Fine Chemicals CS-O-54176 1254697-46-5 Enquire
6,7-Dihydrothieno[3,2-c]pyridine Fine Chemicals CS-T-53148 107112-93-6 Enquire
6-bromo-2-chloro-[1,2,4]triazolo[1,5-a]pyridine Fine Chemicals CS-O-54762 1260667-73-9 Enquire
6-methyl-pyridine-2,5-diol Fine Chemicals CS-O-53587 39112-84-0 Enquire
7-bromo-2h-pyrano[2,3-b]pyridin-4(3h)-one Fine Chemicals CS-O-54629 1256789-75-9 Enquire
7-Chloro-1H-imidazo[4,5-c]pyridine Fine Chemicals CS-MM-88333 5975-13-3 In Stock
Borane-pyridine Complex Fine Chemicals CS-T-68505 110-51-0 In Stock
Ethyl 3-(3-((1E,2E)-3-(dimethylamino)-1-(pyridin-3-yl)allyli... Fine Chemicals CS-O-54918 ---- Enquire
Ethylmethylhydroxypyridine Succinate Fine Chemicals CS-ED-02058 ---- In Stock
Imidazo[1,2-a]pyridine Fine Chemicals CS-T-29190 274-76-0 In Stock
Methyl 5-hydroxy-3-pyridinecarboxylate Fine Chemicals CS-M-57690 30766-22-4 In Stock
N-(3-(Pyridin-2-yl)Phenyl)Acetamide Fine Chemicals CS-O-45628 184173-97-5 In Stock
N-[3-Chloro-4-(2-pyridinylmethoxy)phenyl]-2-cyanoacetamide Fine Chemicals CS-ED-41882 915945-31-2 Enquire
N-2,4-dimethyl-2,3-pyridinediamine Fine Chemicals CS-O-57278 155790-14-0 Enquire
N-methylpyridin-4-amine Fine Chemicals CS-O-13621 1121-58-0 In Stock


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(4-Bromo-6-chloropyridin-3-yl)methanol Building Blocks CS-O-45037 1807036-97-0 Enquire
(4-Chloro-3,5-dimethylpyridin-2-yl)methanol Building Blocks CS-O-46111 150054-50-5 Enquire
(4-hydroxyphenyl)(pyridin-2-yl)methanone Building Blocks CS-ED-41477 33077-70-2 Enquire
(4-hydroxyphenyl)(pyridine-2-yl)carbinol Building Blocks CS-O-44990 33455-95-7 Enquire
(5-(pyridin-3-yl)-1,3-phenylene)dimethanol Building Blocks CS-O-45629 139054-27-6 In Stock
(R)-3-((6-(p-Tolyl)pyridin-3-yl)oxy)quinuclidine Building Blocks CS-O-58289 669770-29-0 Enquire
(R)-4-(5-(quinuclidin-3-yloxy)pyridin-2-yl)benzoic acid Building Blocks CS-O-58292 ---- Enquire
1-(4-Bromo-3,6-dihydro-1(2H)-pyridinyl)ethanone Building Blocks CS-O-59764 1622839-80-8 Enquire
1,1′-(4-Phenyl-2,6-pyridinediyl)bis[1H-pyrazole-3-methanol] Building Blocks CS-O-48600 337917-96-1 Enquire
1,2-dihydropyridine Building Blocks CS-ED-41709 22694-45-7 Enquire
1,3-Dihydrofuro[3,4-c]pyridin-4-amine Building Blocks CS-O-46128 1648750-12-2 Enquire
1-[Tris(1-methylethyl)silyl]-1H-pyrrolo[2,3-b]pyridine Building Blocks CS-O-44815 1093759-49-9 Enquire
1-benzyl-4-methyl-1 ,2,3,6-tetrahydropyridine Building Blocks CS-T-95846 Not Available Enquire
1-Benzyl-4-methylpyridinium chloride Building Blocks CS-O-58345 23662-66-0 Enquire
1-Methyl-1H-imidazo[4,5-b]pyridine-2-carboxaldehyde Building Blocks CS-O-57656 57806-04-9 Enquire
2(1H)-Pyridinone, 1-[[4,5-dihydro-1-(1-methoxy-1-methylethyl... Building Blocks CS-O-46590 1613307-24-6 Enquire
2-(4-chlorophenyl)pyridine Building Blocks CS-DE-01640 5969-83-5 Enquire
2-(Hydroxymethyl)pyridine-3-carboxamide Building Blocks CS-T-95911 115012-11-8 Enquire
2-(phenoxymethyl)pyridine Building Blocks CS-O-44994 104294-19-1 Enquire
2,4-Dichloro-5,7-dihydrofuro[3,4-b]pyridine Building Blocks CS-O-46127 1086321-79-0 Enquire
2,6-dibromo-4-phenylPyridine Building Blocks CS-O-48599 337917-94-9 Enquire
2,6-DICHLOROPYRIDINE-3,4-DIAMINE Building Blocks CS-O-45660 579486-68-3 Enquire
2,6-Dimethyl-3,5-Dinitropyridin-4-Ol Building Blocks CS-EO-03231 31872-55-6 Enquire
2-[hydroxy(pyridin-2-yl)methyl]phenol Building Blocks CS-O-44999 158839-52-2 Enquire
2-Bromo-6-methyl-4-(trifluoromethyl)pyridine Building Blocks CS-O-46881 451459-17-9 Enquire
2-butoxyethyl[(2,5,6-trichloropyridin-3- yl)oxy]acetate Building Blocks CS-O-47998 Not Available Enquire
2-chloro-4-pyridin-3-ylpyrimidine Building Blocks CS-O-48571 483324-01-2 Enquire
2-chloromethyl 3-methyl pyridine hydrochloride Building Blocks CS-O-47118 4370-22-3 Enquire
2-Hydroxy-2-(pyridin-3-yl)acetonitrile Building Blocks CS-O-56985 17604-74-9 Enquire
2-methylpyridine-3,4-diamine Building Blocks CS-O-48404 15931-19-8 Enquire
2-Pyridinesulfonyl Chloride Building Blocks CS-T-96108 66715-65-9 Enquire
2-Thiopyridine Building Blocks CS-O-45537 73018-10-7 Enquire
3,​4-​Dihydro-​2H-​pyrano[2,​3-​c]​pyridin-​6-​ylmethanol Building Blocks CS-T-95926 527681-60-3 Enquire
3,​4-​Dihydro-​2H-​pyrano[2,​3-​c]​pyridine-​6-​carbaldehyde Building Blocks CS-T-95924 527681-61-4 Enquire
3,4-dihydropyridine Building Blocks CS-ED-41710 67683-99-2 Enquire
3,5-Bis(Trifluoromethyl)Pyridine Building Blocks CS-M-03385 20857-47-0 In Stock
3,7-Dibromospiro[5H-cyclopenta[2,1-b:3,4-b′]dipyridine-5,9′-... Building Blocks CS-O-49004 1635396-81-4 Enquire
3-Hydroxypyridine Building Blocks CS-T-28594 109-00-2 In Stock
3-phenylpyridin-2-ol Building Blocks CS-O-54399 24228-13-5 Enquire
3-Pyridineboronic Acid Building Blocks CS-T-41037 1692-25-7 In Stock
4-(3-Methoxypropoxy)-2,3-dimethylpyridin-1-ium-1-olate Building Blocks CS-O-56895 117977-18-1 Enquire
4-(Hydroxy(pyridin-2-yl)methyl)phenol Building Blocks CS-O-44993 33455-95-7 Enquire
4-Acetylpyridine Building Blocks CS-M-58241 1122-54-9 In Stock
4-Aminopyridine-2-boronic acid pinacol ester Building Blocks CS-O-46901 1061750-57-9 Enquire
4-Aminopyridine-3-sulfonic acid Building Blocks CS-O-47138 29452-57-1 Enquire
4-Chloro-2,6-Dimethyl-3,5-Dinitropyridine Building Blocks CS-EO-03230 25370-51-8 Enquire
4-chloro-5-nitro-1,3-dihydropyrrolo[2,3-b]pyridin-2-one Building Blocks CS-O-45040 2306263-86-3 Enquire
4-Methoxy-7-(3-methyl-1H-1,2,4-triazol-1-yl)-1H-pyrrolo[2,3-... Building Blocks CS-O-47296 676491-46-6 Enquire
5,6-Dimethyl-3-pyridincarbonitrile Building Blocks CS-O-46823 113124-09-7 Enquire
5'-bromo-1',6'-dihydro-[2,3'-bipyridin]-6'-one Building Blocks CS-O-47203 381233-79-0 Enquire
5-fluoro-2-[(3R)-pyrrolidin-3-yloxy]pyridine Building Blocks CS-O-47941 2007972-24-7 Enquire
5-Methyl-2-pyridinemethanol Building Blocks CS-O-47121 22940-71-2 Enquire
6-(Di-Boc-Amino)pyridine-2-boronic Acid Pinacol Ester Building Blocks CS-T-95869 1310384-87-2 Enquire
6-(Trifluoromethyl)imidazo[1,2-a]pyridin-2-amine Building Blocks CS-O-46270 1005785-87-4 Enquire
6-Chloro-4-methyl-3-pyridinol Building Blocks CS-O-45642 1227502-89-7 Enquire
7-bromo-1,3-dihydro-furo[3,4-c]pyridine-4-amine Building Blocks CS-O-46130 1902982-92-6 Enquire
7-Chloro-2,3-dihydro-1H-pyrrolo[2,3-c]pyridine Building Blocks CS-O-57213 1338219-65-0 Enquire
7-Chloro-6-fluoro-1-(2-isopropyl-4-methylpyridin-3-yl)pyrido... Building Blocks CS-O-46282 2252403-82-8 Enquire
Bis(pyridine)iodine(I) tetrafluoroborate Building Blocks CS-O-49078 15656-28-7 Enquire
Boc-3-Aminopyridine-2-boronic acid pinacol ester Building Blocks CS-O-44162 1310405-05-0 Enquire
ethyl 3-formylimidazo[1,2-a] pyridine-2-carboxylate Building Blocks CS-O-46117 178488-38-5 Enquire
N-benzyl-4-methylpyridinium chloride Building Blocks CS-O-44030 Not Available Enquire
Octahydro-1H-pyrrolo[3,4-c]pyridin-1-one hydrochloride Building Blocks CS-O-48620 1803589-46-9 Enquire
Pyridine 2-aldoxime Building Blocks CS-DE-01652 873-69-8 In Stock
Pyridine, 2,6-bis[3-(bromomethyl)-1H-pyrazol-1-yl]-4-phenyl Building Blocks CS-O-48601 337917-97-2 Enquire
Pyridine-3,5-diyldimethanol Building Blocks CS-O-48899 21636-51-1 In Stock
pyridine-4-sulfonyl chloride Building Blocks CS-O-46612 134479-04-2 Enquire
(2E)-3-[4-[(2-Ethyl-5,7-dimethyl-3H-imidazo[4,5-b]pyridin-3-... Building Blocks CS-O-43758 1197880-08-2 Enquire
(2-Methylpyridin-4-yl)boronic acid Building Blocks CS-M-10733 579476-63-4 Enquire
(4-Methoxypyridin-3-yl)boronic Acid Hydrochloride Building Blocks CS-T-93843 874959-97-4 Enquire
(5-Fluoropyridin-2-yl)boronic Acid Building Blocks CS-T-75081 946002-10-4 Enquire
(5-Formylpyridin-3-yl)boronic acid Building Blocks CS-T-75158 919347-69-6 Enquire
(E)-Methyl 3-(4-((2-ethyl-5,7-dimethyl-1H-imidazo[4,5-b]pyri... Building Blocks CS-O-43559 1292369-10-8 Enquire
[2,2':6',2''-Terpyridin]-4'-amine Building Blocks CS-O-47649 193944-66-0 Enquire
1,4-Dimethylpyridinum p-tolounesulphonate Building Blocks CS-O-41808 78105-28-9 Enquire
1-phenyl-[2,3-bipyridin]-6-(1H)-one Building Blocks CS-O-37682 Not Available Enquire
2-(Diethylboryl)pyridine Building Blocks CS-TB-15919 385804-67-1 Enquire
2-(N-BOC-N-methylamino)-5-bromopyridine Building Blocks CS-T-67415 227939-01-7 Enquire
2-(perfluoroethyl)pyridin-4-amine Building Blocks CS-EM-01692 340006-68-0 Enquire
2-(Trifluoromethyl)-5-nitropyridine Building Blocks CS-M-46378 116470-66-7 Enquire
2-(Trifluoromethyl)pyridine Building Blocks CS-M-03327 368-48-9 Enquire
2,2,2-Trifluoro-N-4-pyridinyl-acetamide Building Blocks CS-T-45411 77262-39-6 Enquire
2,2':6',2''-Terpyridine]-4,4',4''-tricarboxylic acid Building Blocks CS-O-47646 216018-58-5 Enquire
2,2-Bipyridine-4-boronic acid Building Blocks CS-DV-01198 219609-65-1 Enquire
2,3,5-Trifluoro-4-pyridinamine Building Blocks CS-M-33475 105252-95-7 Enquire
2,3,5-Trifluoropyridine Building Blocks CS-M-04878 76469-41-5 Enquire
2,3,6-Trifluoropyridine Building Blocks CS-M-04877 3512-18-3 Enquire
2,3-Bis(trifluoromethyl)pyridine Building Blocks CS-M-03403 1644-68-4 Enquire
2,3-Dichloro-4-pyridineboronic acid Building Blocks CS-M-05112 951677-39-7 Enquire
2,4,6-Trifluoropyridine Building Blocks CS-M-04901 3512-17-2 Enquire
2,5-Dichloropyridine-4-boronic acid Building Blocks CS-M-53160 847664-64-6 Enquire
2,6-Bis(di-t-butylphosphinomethyl)pyridine Building Blocks CS-DC-00444 338800-13-8 Enquire
2,6-Bis(trifluoromethyl)pyridine Building Blocks CS-M-03386 455-00-5 Enquire
2,6-Dichloropyridine-3-boronic acid Building Blocks CS-M-24067 148493-34-9 Enquire
2,6-Difluoropyridine-3-boronic acid Building Blocks CS-M-52851 136466-94-9 Enquire
2,6-Dimethoxypyridine-3-boronic acid Building Blocks CS-M-52593 221006-70-8 Enquire
2-[(E)-2-pyridinylmethylidene]-1-hydrazinecarbothioamide Building Blocks CS-TB-50750 3608-75-1 Enquire
2-[1-(1-Methylethyl)-1H-pyrazol-5-yl]-3-pyridinemethanol Building Blocks CS-O-47577 1446321-93-2 Enquire
2-[4-(Methylsulfonyl) phenyl]-4-(4,4,5,5-tetramethyl-1,3,2-d... Building Blocks CS-O-47589 2222664-34-6 Enquire
2-Amino-3-(trifluoromethyl)pyridine Building Blocks CS-M-14387 183610-70-0 Enquire


Pesticide Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3,5,6-Trichloro-2-pyridinol Pesticide Standards CS-T-87243 6515-38-4 In Stock
4-Hydroxypyridine Pesticide Standards CS-T-28576 626-64-2 In Stock
1-((6-Chloro-3-pyridinyl)methyl)-4,5-dihydro-1H-imidazol-2-a... Pesticide Standards CS-ZG-08737 127202-53-3 Enquire
2,6-Dichloropyridine Pesticide Standards CS-T-52692 2402-78-0 Enquire
Pentachloropyridine Pesticide Standards CS-T-84746 2176-62-7 Enquire