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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Pyrimidine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Pyrimidine 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 Pyrimidine-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.

Pyrimidine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2R-cis)-1-[2-(Hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H... Stable Isotopes CS-T-96355 Not Available Enquire
1-(3,5-Anhydro-2-deoxy-b-D-threo-pentofuranosyl)-5-methyl-2,... Stable Isotopes CS-T-97797 Not Available Enquire
1,2,3,4-Tetrahydro-5-methyl-2,4-bis[(trimethylsilyl)oxy]pyri... Stable Isotopes CS-T-99798 Not Available Enquire
1,2,3,4-Tetrahydro-6-methyl-2,4-bis(2-nitrophenyl)-5-pyrimid... Stable Isotopes CS-T-102039 Not Available Enquire
1,6-Dihydro-5-hydroxy-1-methyl-2-[1-methyl-1-[[benzylcarbamo... Stable Isotopes CS-T-101519 1189485-35-5 Enquire
1-[6-(2-propenyl)-ergoline-8β-carbonyl]-3-methyl-perhydropyr... Stable Isotopes CS-T-98678 Not Available Enquire
2-(1-Amino-1-methylethyl)-N-(4-fluorobenzyl)-5-hydroxy-1-met... Stable Isotopes CS-T-100858 1189508-85-7 Enquire
2-(1-Piperazinyl)pyrimidine-D8 Stable Isotopes CS-T-60619 1309283-31-5 Enquire
2,4,5-Triamino-6-hydroxypyrimidine-13C2 Sulfate Salt Stable Isotopes CS-T-99770 Not Available Enquire
2,4-Bis((trimethylsilyl)oxy)pyrimidine-13C,15N2 Stable Isotopes CS-T-100756 Not Available Enquire
2,4-Bis(1,1-dimethylethoxy)pyrimidine-13C,15N2 Stable Isotopes CS-T-96631 Not Available Enquire
2,4-Diamino-6-hydroxypyrimidine-15N4 Stable Isotopes CS-T-100490 Not Available Enquire
2,4-Dichloro-5-methylpyrimidine-15N2,13C Stable Isotopes CS-T-100478 Not Available Enquire
2,4-Dimethoxy-5-methylpyrimidine-13C,d3 Stable Isotopes CS-T-100431 Not Available Enquire
2,4-Dimethoxy-6-morpholinopyrimidine-5-carbaldehyde-13C Stable Isotopes CS-T-100372 Not Available Enquire
2,6-Diamino-4-hydroxy-5-nitrosopyrimidine-13C2 Stable Isotopes CS-T-99294 2710560-37-3 Enquire
2,6-Diamino-4-hydroxy-5-nitrosopyrimidine-13C2,15N Stable Isotopes CS-T-100491 Not Available Enquire
2-Amino-4,6-dichloropyrimidine-13C2 Stable Isotopes CS-T-102953 1346605-11-5 Enquire
2-Amino-4,6-dihydroxypyrimidine-13C2 Stable Isotopes CS-T-100886 Not Available Enquire
2-Chloro-4-(1-methylethoxy)-pyrimidine-d7 Stable Isotopes CS-T-100952 Not Available Enquire
2-Chloro-4-ethoxy-6-(trifluoromethyl)pyrimidine-D5 Stable Isotopes CS-T-100656 Not Available Enquire
4,6-Dimethoxy-1H-pyrazolo[3,4-d]pyrimidine-13C,15N2 Stable Isotopes CS-T-100416 Not Available Enquire
4-Amino-2-chloro-5-methylpyrimidine-15N2,13C Stable Isotopes CS-T-100898 Not Available Enquire
4-Chloro-6-(1-methylethoxy)-pyrimidine-d7 Stable Isotopes CS-T-100954 Not Available Enquire
4-Chloro-6-[2-(1,1-dimethylethoxy)ethoxy]-5-(2-methoxyphenox... Stable Isotopes CS-T-100617 Not Available Enquire
5-(3,4,5-Trimethoxy-d9-benzoyl)-2,4-pyrimidinediamine Stable Isotopes CS-T-100993 Not Available Enquire
5,6-Diamino-2,4-dihydroxypyrimidine-13C2 Bisulfite Salt Stable Isotopes CS-T-102238 Not Available Enquire
5,6-Diaminopyrimidine-2,4-diol-13C3 Hydrochloride Stable Isotopes CS-T-102475 3240-72-0(Unlabelled) Enquire
5-Bromo-2,4-bis(1,1-dimethylethoxy)pyrimidine-13C,15N2 Stable Isotopes CS-T-96630 Not Available Enquire
5-Bromo-2-chloropyrimidine-15N2 Stable Isotopes CS-T-101791 Not Available Enquire
5-Bromohexahydro-2,6-dioxo-4-pyrimidinecarboxylic Acid-15N2 Stable Isotopes CS-T-100702 Not Available Enquire
5-Fluorodihydro-1,3-bis[(4-methoxyphenyl)methyl]pyrimidine-2... Stable Isotopes CS-T-101380 Not Available Enquire
5-Hydroxy-2-[1-methyl-1-[[benzylcarbamoyl]amino]ethyl]-6-met... Stable Isotopes CS-T-100189 1185032-53-4 Enquire
6-Amino-2,4-dihydroxypyrimidine-13C,15N2 Stable Isotopes CS-T-100885 1895922-32-3 Enquire
6-Amino-5-ethyl-5-(1-methylbutyl)-2,4(3H,5H)-pyrimidinedione... Stable Isotopes CS-T-101915 Not Available Enquire
6-Hydroxy-2,4,5-triaminopyrimidine-13C2,15N, Sulfate Stable Isotopes CS-T-102276 1330053-68-3 Enquire
Abacavir-d4 5’-4-Chloro-6-methylpyrimidine-2,5-diamine Stable Isotopes CS-T-94326 Unlabelled: 1443421-69-9 Enquire
Aminodichloropyrimidine-13C4-15N3 Stable Isotopes CS-O-14835 10132-07-7 (Unlabelled) Enquire
cis-5-Fluoro-1-[2-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]me... Stable Isotopes CS-T-99234 1217650-77-5 Enquire
Methyl 4-(4-Fluorophenyl)-6-isopropyl-2-[N-methyl-N-(methyl-... Stable Isotopes CS-T-99169 Not Available Enquire
Sulfadimethoxypyrimidine D4 Stable Isotopes CS-O-47472 1392211-88-9 Enquire
Toxopyrimidine-13C, D2 Stable Isotopes CS-T-99778 Not Available Enquire
Toxopyrimidine-d3 Stable Isotopes CS-T-99777 Not Available Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Pyrimidine API CS-T-41202 289-95-2 Enquire
Toxopyrimidine API CS-M-56031 73-67-6 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(5-PyriMidinecarboxylicacid, 4-[[(3-chloro-4-Methoxyphenyl)M... Impurity CS-O-32414 330785-81-4 In Stock
(S)-methyl 5-Oxo-5,6,7,8-tetrahydroimidazo[1,5-c]pyrimidine-... Impurity CS-T-80845 69614-04-6 Enquire
1-((3R,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)-3-methylt... Impurity CS-O-33876 Not Available Enquire
1-(3,4-dichloro-1-methylpyrazole-5-sulfonyl)-3-(4,6-dimethyl... Impurity CS-O-60817 ---- Enquire
1-B-L-Arabinofuranosyl-5-methyl-2,4(1H,3H)-pyrimidinedione Impurity CS-O-53005 110508-94-6 Enquire
2-(propylthio)pyrimidine-4,6-diol Impurity CS-O-34987 Not Available Enquire
2,4,5,6-Tetraaminopyrimidine Sulfate Impurity CS-T-86986 5392-28-9 Enquire
2,4,5-Tribromopyrimidine Impurity CS-O-39914 1298101-40-2 Enquire
2,4-Bis(trifluoromethyl)-5,6,7,8-tetrahydropyrido-[3,4-d]pyr... Impurity CS-BL-00159 911636-86-7 Enquire
2,4-diamino-6-piperidinopyrimidine1-oxide Impurity CS-O-40435 79459-05-5 Enquire
2,4-Diaminopyrimidine 3-N-Oxide Impurity CS-TB-16080 74638-76-9 Enquire
2,4-Dichloro-6-difluoromethyl-pyrimidine Impurity CS-O-39249 1706464-39-2 Enquire
2,4-Dichloro-7H-Pyrrolo (2,3-d)Pyrimidine Impurity CS-M-42734 90213-66-4 In Stock
2,4-Dichlorofuro[2,3-d]pyrimidine Impurity CS-T-52624 1000577-84-3 Enquire
2,6-diamino-4-methoxypyrimidine 1-oxide Impurity CS-O-40432 128304-92-7 Enquire
2,6-diaminopyrimidine-4-yl acetate Impurity CS-O-40433 ---- Enquire
2-Amino-4-phenylamino-6-methylpyrimidine Impurity CS-O-46806 7781-29-5 Enquire
2-Chloro-7-Cyclopentyl-7H-Pyrrolo[2,3-d]Pyrimidine-6-Carbald... Impurity CS-MM-67170 1211443-55-8 In Stock
2-Chloro-7-cyclopentyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxy... Impurity CS-ED-41889 1211443-58-1 Enquire
2-chlorosulfonyl-7-fluoro-5-ethoxy[1,2,4]triazolo[1,5-c]-pyr... Impurity CS-O-43110 147150-77-4 Enquire
2-Cyanopyrimidine-5-carboxylic acid Impurity CS-ED-02165 1115962-72-5 Enquire
3-(2-Chloroethyl)-2-methyl-9-benzyloxy-4H-pyrido- [1,2-a] py... Impurity CS-O-31759 147687-17-0 Enquire
3-(2-Chloroethyl)-6,7,8,9-tetrahydro-2-methyl-4H-pyridin[1,2... Impurity CS-O-31451 41078-70-0 Enquire
3-(2-Chloroethyl)-7,8-dihydro-2-methyl-4H-pyrido[1,2-a]pyrim... Impurity CS-T-72320 1138463-56-5 Enquire
3,3'-(4-(cyclopentylamino)pyrimidine-2,5-diyl)bis(prop-2-yn-... Impurity CS-O-39612 Not Available Enquire
4,6-Dichloro-5-nitro-2-propylthiopyrimidine Impurity CS-O-31840 145783-14-8 In Stock
4,6-Dihydroxy-5-methoxypyrimidine Impurity CS-DL-00718 5193-84-0 Enquire
4,6-Dimethyl-2-Methylsulfonyl-Pyrimidine Impurity CS-M-20351 35144-22-0 In Stock
4-Benzylamino-2-hydroxypyrimidine Impurity CS-O-53115 5785-16-0 Enquire
4-bromo-2-chloropyrimidine Impurity CS-DV-02642 885702-34-1 Enquire
4-bromo-6-(1-bromoethyl)-5-fluoropyrimidine Impurity CS-O-36075 1307315-02-1 Enquire
4-Chloro-5-fluoro-2-methoxypyrimidine Impurity CS-DV-02730 1801-06-5 Enquire
4-Chloro-5-nitro-2-(propylthio)pyrimidine Impurity CS-T-93628 Not Available Enquire
4-Chloro-5-nitro-2-(propylthio)pyrimidine Impurity CS-T-93624 2518331-26-3 Enquire
4-Chloro-6-(1,1-dibromoethyl)-5-fluoropyrimidine Impurity CS-O-36078 908352-44-3 Enquire
4-Chloro-6-(difluoromethyl)-2-(methylthio)pyrimidine Impurity CS-ED-01882 1204298-68-9 Enquire
4-Chloro-7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3... Impurity CS-M-24043 941685-26-3 Enquire
4-ethoxy-7H-pyrrolo[2,3-d]pyrimidine Impurity CS-O-55718 1309430-77-0 Enquire
4-methoxy-5-nitro-2-(propylthio)pyrimidine Impurity CS-T-93626 2514951-26-7 Enquire
4-sulfanilamide-5-methoxyl-6-chloropyrimidine Impurity CS-O-39852 Not Available Enquire
5-(2,2-Dibromovinyl)-1-((2R,4S,5R)-4-hydroxy-5-(hydroxymethy... Impurity CS-O-39576 61135-36-2 Enquire
5-(2-Ethoxyphenyl)-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo... Impurity CS-T-22410 479074-06-1 Enquire
5-(2-Fluoro-3-methoxyphenyl)-1-[[2-fluoro-6-(trifluoromethyl... Impurity CS-O-39444 1150560-59-0 Enquire
5-(3,4,5-Trimethoxybenzyl)pyrimidine-2,4-diol Impurity CS-T-45600 93885-69-9 Enquire
5-amino-2-(propylthio)pyrimidine-4,6-diol Impurity CS-ZE-17099 1482484-92-3 Enquire
5-Bromo-2-(2-chloroethoxy)pyrimidine Impurity CS-O-40899 2365406-84-2 Enquire
5-Bromo-2-hydroxypyrimidine Impurity CS-T-08323 38353-06-9 Enquire
5-Bromo-2-iodopyrimidine Impurity CS-M-10178 183438-24-6 Enquire
5-Chloro-2-(4-Piperonyl-1-Piperazinyl)Pyrimidine Impurity CS-ED-00402 21280-23-9 Enquire
5-ethoxy-7-fluoro- [1,2,4]triazolo[1,5-c]-pyrimidine-2(3H)-t... Impurity CS-O-38734 166524-72-7 Enquire
5-Nitro-2-(propylthio)pyrimidine-4,6-diol Impurity CS-ED-00737 Not Available Enquire
6-Chloro-1,3-dimethylpyrimidine-2,4(1H,3H)-dione Impurity CS-M-47432 6972-27-6 In Stock
6-Fluoropyrimidine-2,4(1H,3H)-dione Impurity CS-BF-00425 591-36-6 Enquire
6-hydroxy-2,4-diaminopyrimidine 3-oxide Impurity CS-O-40436 131230-62-1 Enquire
7-chloro-5-propylpyrazolo[1,5-a]pyrimidine Impurity CS-O-48883 244127-41-1 In Stock
8-Chloro-N-(2,6-dichlorophenyl)-5-ethoxy-7-fluoro[1,2,4]tria... Impurity CS-O-38735 207801-50-1 Enquire
Abemaciclib Des fluoro pyrimidine imidazole impurity Impurity CS-O-41461 Not Available Enquire
Ambrisentan Pyrimidine Ester Impurity Impurity CS-O-38707 Not Available Enquire
Cis 5-Fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1... Impurity CS-T-54838 145986-11-4 Enquire
Ensifentrine pyrimidinetrione impurity Impurity CS-O-57048 75535-95-4 In Stock
ethyl 6-chloro-5,7-dimethylpyrazolo[1,5-a]pyrimidine-3-carbo... Impurity CS-O-48894 1035835-21-2 In Stock
Macitentan Pyrimidine N-Propyl Impurity CS-O-45760 Not Available Enquire
Methyl 4-(4-fluorophenyl)-6-isopropyl-2-oxo-1,2-dihydropyrim... Impurity CS-MM-60262 488798-37-4 Enquire
N-(2,6-dichlorophenyl)-7-fluoro-5-hydroxy[1,2,4]triazolo[1,5... Impurity CS-O-38733 292088-80-3 Enquire
N2,N4-Bis(2,3-dimethyl-2H-indazol-6-yl)-2,4-pyrimidinediamin... Impurity CS-T-49285 1226499-98-4 In Stock
N4-​(2,​3-​Dimethyl-​2H-​indazol-​6-​yl)​-​N4-​methyl-2,​4-​... Impurity CS-T-93480 1821666-71-0 Enquire
Nifedipine Pyrimidine impurity Impurity CS-O-34146 108139-78-2 Enquire
Nifedipine Pyrimidine Impurity (Cis-isomer) Impurity CS-T-86694 80742-11-6 In Stock
Nilotinib N-Oxide (Pyrimidine N1-Oxide) Impurity CS-O-53782 ---- Enquire
Nilotinib N-Oxide (Pyrimidine N3-Oxide) Impurity CS-O-53781 ---- Enquire
Pyrimidine N-propyl impurity Impurity CS-O-16881 Not Available Enquire
Pyrrolopyrimidine Baricitinib Impurity CS-O-38526 2910813-45-3 Enquire
Rac-Ruxolitinib Acrylo pyrimidine Impurity Impurity CS-EO-01361 941685-39-8 In Stock
Regorafenib Dipyrimidine Impurity Impurity CS-O-36707 Not Available Enquire
Ruxolitinib Dibenzoyl SME Pyrimidine Impurity Impurity CS-O-48149 1236033-04-7 Enquire
Ruxolitinib, SEM Pyrimidine Impurity Impurity CS-M-24045 941685-27-4 In Stock
Sodium (R)-4-oxo-4,6,7,8-tetrahydropyrrolo[1,2-a]pyrimidine-... Impurity CS-O-47822 Not Available Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(4,6-Dichloro-5-(2-Methoxyphenoxy)-2,2-Bipyrimidine) Intermediate CS-O-07398 150728-13-5 In Stock
(E)-6-hydrazono-2-methoxy-1,6-dihydropyrimidine Intermediate CS-O-49213 1639115-82-4 Enquire
(Z)-6-cyclopropyl-2-hydrazono-1,2-dihydropyrimidine Intermediate CS-O-49216 1073488-40-0 Enquire
2,4,6-Trichloro-5-pyrimidinecarboxaldehyde Intermediate CS-DE-00538 50270-27-4 In Stock
2,4-dichloropyrimidine-5-sulfonyl chloride Intermediate CS-ED-41818 23920-08-3 Enquire
2,4-Diphenyl-6-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-... Intermediate CS-O-49597 1536209-84-3 Enquire
2,6-Dichloro-4,5-pyrimidinediamine Intermediate CS-O-49310 130838-36-7 Enquire
2-Amino-4,6-dihydroxy-5-nitropyrimidine Intermediate CS-T-02425 80466-56-4 In Stock
2-Amino-4,6-dimethoxypyrimidine Intermediate CS-M-56686 36315-01-2 In Stock
2-amino-4-methylpyrimidine Intermediate CS-M-55914 108-52-1 In Stock
2-cyano pyrimidine Intermediate CS-O-31788 14080-23-0 In Stock
2-Pyrimidinemethanamine hydrochloride Intermediate CS-O-32415 372118-67-7 In Stock
3-Bromopyrazolo[1,5-c]pyrimidine Intermediate CS-O-54684 1207853-39-1 Enquire
4,6-Dichloro-5-methoxypyrimidine Intermediate CS-M-52239 5018-38-2 In Stock
4,6-Dimethyl-2-hydroxypyrimidine Intermediate CS-M-20350 108-79-2 In Stock
4-amino-2,6-dichloro pyrimidine Intermediate CS-M-55640 10132-07-7 In Stock
4-Amino-3-iodo-1H-pyrazolo[3,4-d]pyrimidine Intermediate CS-M-53963 151266-23-8 In Stock
4-Amino-5,6-dimethoxypyrimidine Intermediate CS-DL-00909 5018-45-1 In Stock
4-Chloro-5-nitropyrimidine Intermediate CS-O-54137 150943-50-3 Enquire
5,7-Dichloro-2-methyl-[1,3]oxazolo[5,4-d]pyrimidine Intermediate CS-O-47862 1107653-60-0 Enquire
5,7-Dichlorothiazolo[4,5-d]pyrimidine Intermediate CS-O-47861 1137278-39-7 Enquire
5-Fluoropyrimidine-2-carboxylic acid Intermediate CS-O-47752 1196151-51-5 Enquire
6-bromo-2-chloro-7-methylpyrrolo[2,3-d]pyrimidine Intermediate CS-ED-42110 1638766-89-8 Enquire
6-Methyl-2,4(1H,3H)-pyrimidinedione Intermediate CS-M-42931 626-48-2 In Stock
7-(benzenesulfonyl)-6-bromo-2-chloro-7H-pyrrolo[2,3-d]pyrimi... Intermediate CS-ED-42109 1638767-50-6 Enquire
Pyrimidine, 2-chloro-4-(3-chlorophenyl) Intermediate CS-O-55382 954235-68-8 Enquire
Pyrimidine, 2-chloro-4-(3-fluorophenyl) Intermediate CS-O-55381 85979-58-4 Enquire
Pyrimidine, 2-chloro-4-(4-pyridinyl) Intermediate CS-O-55378 208936-45-2 Enquire
Pyrimidine, 2-chloro-4-(6-methoxy-3-pyridinyl) Intermediate CS-O-55379 954234-04-9 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-​(methoxymethyl)​pyrimidine-​5-​carboxylic acid Fine Chemicals CS-P-08549 927803-37-0 Enquire
2,4,6-Trichloropyrimidine Fine Chemicals CS-T-45033 3764-01-0 In Stock
2,4-Dichloro-6-(chloromethyl)pyrimidine Fine Chemicals CS-ZG-12748 94170-66-8 Enquire
2,4-Dichloro-7-((2-(trimethylsilyl)ethoxy)-methyl)-7H-pyrrol... Fine Chemicals CS-MM-27966 442847-52-1 Enquire
2,6-diamino-pyrimidine-4-one Fine Chemicals CS-O-37227 100643-27-4 Enquire
2-Amino-4,6-dichloropyrimidine Fine Chemicals CS-M-07579 56-05-3 In Stock
2-Amino-4,6-difluoropyrimidine Fine Chemicals CS-MM-09823 675-11-6 Enquire
2-amino-4,6-dimethyl pyrimidine Fine Chemicals CS-M-55629 767-15-7 In Stock
2-Amino-4-methyl-5-bromopyrimidine Fine Chemicals CS-AC-11507 17321-93-6 In Stock
2-Bromo-4-Chloro-5-fluoropyrimidine Fine Chemicals CS-O-54937 2043068-81-9 Enquire
2-Bromo-7-chloropyrazolo[1,5-a]pyrimidine Fine Chemicals CS-MM-51131 1203705-58-1 Enquire
2-chloro-4,6-dimethyl-5-(2-methylpropyl)pyrimidine Fine Chemicals CS-ED-01631 1384428-62-9 Enquire
2-hydrazineylidene-5,5-dimethylhexahydropyrimidine hydrochlo... Fine Chemicals CS-O-35355 78383-28-5 Enquire
2-Iodopyrimidine Fine Chemicals CS-DV-01753 31462-54-1 Enquire
2-Methylhexahydropyrimidine Fine Chemicals CS-O-59871 16077-36-4 Enquire
4-(1-Bromoethyl)-5-fluoropyrimidine Fine Chemicals CS-O-54540 188416-47-9 Enquire
4,5-Pyrimidinediamine Fine Chemicals CS-O-52357 101080-48-2 Enquire
4,6-Dichloropyrimidine-2-carbonitrile Fine Chemicals CS-N-05159 1451391-83-5 Enquire
4,6-Dimethoxy-2-(methylsulfonyl)pyrimidine Fine Chemicals CS-O-10816 113583-35-0 In Stock
4,6-Dimethyl-2-(methylthio)pyrimidine Fine Chemicals CS-O-60113 14001-64-0 Enquire
4-Amino-5-aminomethyl-2-methylpyrimidine Fine Chemicals CS-M-55521 95-02-3 Enquire
4-amino-5-formamidomethyl-2-methylpyrimidine Fine Chemicals CS-O-54336 ---- Enquire
4-Chloro-5-fluoropyrimidine Fine Chemicals CS-T-70060 347418-42-2 Enquire
4-Chloro-6-(methoxymethyl)-pyrimidine Fine Chemicals CS-ZI-35808 3122-84-7 Enquire
4-Chloro-7H-pyrrolo[2,3-d]pyrimidine Fine Chemicals CS-M-11048 3680-69-1 In Stock
4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine Fine Chemicals CS-O-32145 479633-63-1 Enquire
4-Chloropyrimidine Fine Chemicals CS-T-71897 17180-93-7 Enquire
4-Methylpyrimidine Fine Chemicals CS-T-34773 3438-46-8 Enquire
5-(Trifluoromethyl)dihydropyrimidine-2,4(1H,3H)-dione Fine Chemicals CS-MM-10409 2145-56-4 Enquire
5-Bromo-2,4,6-Trichloropyrimidine Fine Chemicals CS-DL-00250 63931-21-5 In Stock
5-Chloro-2-(piperidin-4-yl)pyrimidine hydrochloride Fine Chemicals CS-ED-41878 1402666-88-9 Enquire
5-Chloro-3-nitropyrazolo[1,5-a]pyrimidine Fine Chemicals CS-MM-23380 1363380-51-1 Enquire
5-Fluoropyrimidine Fine Chemicals CS-M-42624 675-21-8 Enquire
5-methyl-2-phenylpyrimidine-4-carboxylic acid Fine Chemicals CS-O-37953 1546282-16-9 Enquire
6-Amino-4-hydroxy-2-(4-cyanophenylamino) pyrimidine monohydr... Fine Chemicals CS-O-35722 Not Available Enquire
6-Amino-5-chloro-2-cyclopropylpyrimidine-4-carboxylic acid Fine Chemicals CS-ZH-10983 858956-08-8 Enquire
6-Benzoylamino-4-chloro-2-(4-cyanophenyl amino) pyrimidine Fine Chemicals CS-O-35724 1404118-66-6 Enquire
7H-Pyrrolo[2,3-d]pyrimidine Fine Chemicals CS-M-44208 271-70-5 In Stock
ethyl 1h-pyrazolo[3,4-d]pyrimidine-4-carboxylate Fine Chemicals CS-O-36719 2306272-96-6 Enquire
Formylaminopyrimidine Fine Chemicals CS-T-02668 1886-34-6 In Stock
Methyl 4,6-dichloropyrimidine-2-carboxylate Fine Chemicals CS-O-54829 811450-22-3 Enquire
Methyl 6-chloro-2-(methylsulfonyl)pyrimidine-4-carboxylate Fine Chemicals CS-O-37859 25742-28-3 Enquire
Pyrimidine-2,4,5,6(1H,3H)-tetraone Monohydrate Fine Chemicals CS-MM-12412 50-71-5 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(S)-7-(1-acryloylpiperidin-4-yl)-4-nitroso-2-(4-phenoxypheny... Nitrosamine CS-O-56384 ---- Enquire
2-(4-((4-nitrosopiperazin-1-yl)methyl)piperazin-1-yl)pyrimid... Nitrosamine CS-O-53196 ---- Enquire
4-nitroso-2-(4-phenoxyphenyl)-7-(piperidin-4-yl)-4,5,6,7-tet... Nitrosamine CS-O-54989 ---- Enquire
7-(1-nitrosopiperidin-4-yl)-2-(4-phenoxyphenyl)-4,5,6,7-tetr... Nitrosamine CS-O-54990 ---- Enquire
Macitentan Pyrimidine N-Nitroso N-Propyl Impurity Nitrosamine CS-O-50176 Not Available Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Amino-4,6-dichloropyrimidine-5-d Stable Isotope Reagent CS-O-54756 2732868-41-4 Enquire
2-Aminopyrimidine-4,5,6-d3 Stable Isotope Reagent CS-T-96135 916979-29-8 In Stock
2-Chloropyrimidine-d3 Stable Isotope Reagent CS-T-96024 1065473-08-6 Enquire
4-Amino-2-methyl-d 3 -5-pyrimidinecarboxylic Acid Stable Isotope Reagent CS-C-01661 Not Available Enquire


Therapeutic

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3-(2-Chloroethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-p... Therapeutic CS-O-31760 130049-82-0 In Stock


MISCELLANEOUS

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4,6-Dichloro-2-methylpyrimidine MISCELLANEOUS CS-T-17605 1780-26-3 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1,3-Diisopropylpyrimidine-2,4,6(1H,3H,5H)-trione Building Blocks CS-O-59361 66400-12-2 Enquire
2-bromo-4,6-dimethoxypyrimidine Building Blocks CS-O-40985 153953-02-7 Enquire
2-Chloro-4,6-dimethoxypyrimidine Building Blocks CS-O-46303 13223-25-1 Enquire
2-chloro-4-pyridin-3-ylpyrimidine Building Blocks CS-O-48571 483324-01-2 Enquire
2-Hydroxypyrimidine-5-carbaldehyde Building Blocks CS-TB-70892 166757-62-6 Enquire
4,6-Dibromo-2-phenylpyrimidine Building Blocks CS-O-39615 83217-06-5 Enquire
4,6-difluoro-2-methylpyrimidine Building Blocks CS-TB-25529 18382-80-4 Enquire
4,7-Dichloropyrido[3,2-d]pyrimidine Building Blocks CS-TB-33197 917757-12-1 Enquire
4-Chloro-2,6-diphenylpyrimidine Building Blocks CS-T-93960 29509-91-9 Enquire
4-Chloro-5-iodo-7H-pyrrolo[2,3-d]pyrimidine Building Blocks CS-M-43765 123148-78-7 In Stock
4-Hydrazinopyrimidine Building Blocks CS-ZH-41380 22930-71-8 Enquire
5,6-Diamino-3-propylpyrimidine-2,4(1H,3H)-dione Building Blocks CS-ZI-23578 142665-13-2 Enquire
5,7-Dimethyl[1,2,4]triazolo[1,5-a]pyrimidine-2-methanamine Building Blocks CS-O-55692 1217027-16-1 Enquire
7-bromo-2,4-dichloro-5H-pyrrolo[3,2-d]pyrimidine Building Blocks CS-O-45736 1311275-27-0 Enquire
7-Chloro-6-fluoro-1-(2-isopropyl-4-methylpyridin-3-yl)pyrido... Building Blocks CS-O-46282 2252403-82-8 Enquire
methyl 3-fluoroimidazo(1,2-a)pyrimidine-2-carboxylate Building Blocks CS-O-43239 1221715-46-3 Enquire
Pyrimidine-5-Boronic Acid Building Blocks CS-M-03541 109299-78-7 In Stock


Deuterated Reagents

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-CHLORO-5-(METHOXY-D3)PYRIMIDINE Deuterated Reagents CS-O-42454 22536-65-8(Unlabeled) Enquire