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

Quinoline Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(4R)-4,6-Dihydroxy-2-methyl-1-(3-methoxy-4-hydroxyphenyl)-1,... Stable Isotopes CS-T-97583 Not Available Enquire
(4R)-4,6-Dihydroxy-2-methyl-1-phenyl-1,2,3,4-tetrahydroisoqu... Stable Isotopes CS-T-97582 Not Available Enquire
(S)-4-Nitrophenyl 1-Phenyl-d5-3,4-dihydroisoquinoline-2(1H)-... Stable Isotopes CS-T-97262 Not Available Enquire
1-​Cyclopropyl-​6,​7-​difluoro-​1,​4-​dihydro-​8-​methoxy-​4... Stable Isotopes CS-T-100581 Not Available Enquire
1-(1,1-Dimethylethyl)-6,7,8-trifluoro-1,4-dihydro-4-oxo-3-qu... Stable Isotopes CS-T-100401 Not Available Enquire
1,2,3,4-Tetrahydro-1,2-dimethyl-4,6-isoquinolinediol-d3 Stable Isotopes CS-T-102043 Not Available Enquire
1,2,3,4-tetrahydro-1,2-dimethyl-4,8-isoquinolinediol-d3 Stable Isotopes CS-T-102042 Not Available Enquire
1-Cyclopropyl-6,7-difluoro-1,4-dihydro-5-methyl-4-oxo-3-quin... Stable Isotopes CS-T-100587 Not Available Enquire
1-Cyclopropyl-6,7-difluoro-8-methoxy-4-oxo-1,4-dihydroquinol... Stable Isotopes CS-T-100588 Not Available Enquire
1-Cyclopropyl-6-fluoro-1,4-dihydro-7-ethoxy-8-methoxy-4-oxo-... Stable Isotopes CS-T-101639 Not Available Enquire
1-Cyclopropyl-7-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxyl... Stable Isotopes CS-T-100585 Not Available Enquire
1-Cyclopropyl-7-fluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinoli... Stable Isotopes CS-T-100584 Not Available Enquire
1-Cyclopropyl-8-(difluoromethoxy)-6,7-difluoro-1,4-dihydro-4... Stable Isotopes CS-T-100586 Not Available Enquire
1-Cyclopropyl-8-ethoxy-6,7-difluoro-1,4-dihydro-4-oxo-3-quin... Stable Isotopes CS-T-97674 Not Available Enquire
1-Cyclopropyl-8-ethoxy-6,7-difluoro-1,4-dihydro-4-oxo-3-quin... Stable Isotopes CS-T-97673 Not Available Enquire
2-(1,1-Dimethylethyl)-1,2,3,4-tetrahydro-4,6,8-Isoquinolinet... Stable Isotopes CS-T-101467 Not Available Enquire
2-(Ethoxymethyl)-a,a-dimethyl-1H-imidazo[4,5-c]quinoline-1-e... Stable Isotopes CS-T-100340 Not Available Enquire
2-Azido-3,4-dimethylimidazo[4,5-f]quinoline-d3 Stable Isotopes CS-T-98293 1215499-36-7 Enquire
2-heptyl-3,4-Quinoline-5,6,7,8-d4-diol Stable Isotopes CS-T-100252 602302-51-2 Enquire
3-Hydroxyquinoline-d6 Stable Isotopes CS-T-101264 Not Available Enquire
4-Chloro-2-propyl-6-trifluoromethoxyquinoline-d8 Stable Isotopes CS-T-96386 168834-43-3 (Unlabelled) Enquire
4-Methyl-2-(1-piperidinyl)-quinoline-d10 Stable Isotopes CS-T-101028 Not Available Enquire
5-Amino-1-cyclopropyl-6,7-difluoro-1,4-dihydro-8-methyl-4-ox... Stable Isotopes CS-T-100893 Not Available Enquire
5-Nitro-6-methylaminoquinoline-d3 Stable Isotopes CS-T-102831 14204-97-8(Unlabelled) Enquire
6,7-Dimethoxy-3-(3-thienyl)quinoline-d6 Stable Isotopes CS-T-99280 Not Available Enquire
6,8-Difluoro-1,4-dihydro-1-(methylamino)-7-(4-methyl-1-piper... Stable Isotopes CS-T-101532 Not Available Enquire
6,8-Difluoro-1,4-dihydro-1-(N-methylformamido)-7-(4-methyl-1... Stable Isotopes CS-T-101531 Not Available Enquire
6-[[3-[(Dimethylamino)carbonyl]phenyl]sulfonyl]-4-[(3-methox... Stable Isotopes CS-T-99281 Not Available Enquire
7-​Chloro-​1-​ethyl-​6-​fluoro-​1,​4-​dihydro-​4-​oxo-3-​qui... Stable Isotopes CS-T-100670 Not Available Enquire
7-Chloro-1-cyclopropyl-1,4-dihydro-8-methyl-4-oxo-3-quinolin... Stable Isotopes CS-T-100658 Not Available Enquire
7-Chloro-4-[4-[(2,4-dinitrophenyl)sulfonyl]-1-piperazinyl]qu... Stable Isotopes CS-T-103016 1624602-30-7(Unlabelled) Enquire
8-Amino-6-methoxyquinoline-d5 Stable Isotopes CS-T-101907 Not Available Enquire
8-Chloro-1-cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxo-3-quin... Stable Isotopes CS-T-100657 Not Available Enquire
8-Hydroxyquinoline-d6 Stable Isotopes CS-O-40651 112465-97-1 Enquire
rac-(4R)-4,6-Dihydroxy-2-methyl-1,2,3,4-tetrahydroisoquinoli... Stable Isotopes CS-T-97584 Not Available Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Quinoline API CS-O-11127 91-22-5 In Stock


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5,6-Dihydroxy-8-aminoquinoline Metabolite CS-CX-00100 17605-92-4 Enquire
8-Aminoquinoline-5,6-diol dihydrochloride Metabolite CS-CX-00099 1261394-03-9 Enquire
Neratinib quinoline N-oxide Metabolite CS-O-51244 1348481-03-7 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1-chloro-4-hydroxyisoquinoline-3-carbonyl)cysteine Impurity CS-O-46711 Not Available Enquire
(1R,4R)-2-methyl-1-phenyl-1,2,3,4-tetrahydroisoquinoline-4,6... Impurity CS-O-43306 2095343-25-0 Enquire
(1R,4R)-2-methyl-1-phenyl-1,2,3,4-tetrahydroisoquinoline-4,8... Impurity CS-O-43307 Not Available Enquire
(1S,4R)-2-methyl-1-phenyl-1,2,3,4-tetrahydroisoquinoline-4,6... Impurity CS-O-43305 2095343-19-2 Enquire
(1S,4R)-2-methyl-1-phenyl-1,2,3,4-tetrahydroisoquinoline-4,8... Impurity CS-O-43308 Not Available Enquire
(4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carbonyl)-L-seri... Impurity CS-O-54974 ---- Enquire
(S)-1-(4-methoxybenzyl)-1,2,3,4,5,6,7,8-octahydroisoquinolin... Impurity CS-O-49393 30356-07-1 Enquire
(αR)-α-[(2S,4S,6R)-6-Ethenyl-1-azabicyclo[2.2.2]oct-2-yl]-6-... Impurity CS-O-51911 1594121-64-8 Enquire
(αS)-α-[(1S,2S,4S,7R)-7-Ethenyl-1-azabicyclo[2.2.1]hept-2-yl... Impurity CS-O-51912 2096474-13-2 Enquire
1,2,3,4-Tetrahydro-4,6-dihydroxy-2-methylisoquinoline Hydroc... Impurity CS-O-11270 57196-61-9 In Stock
1-cyclopropyl-6,7-difluoro-1,4-dihydro-8- methoxy-4-oxo-3-qu... Impurity CS-O-31381 112811-72-0 In Stock
2-(1-chloro-4-hydroxyisoquinoline-3-carboxamido)but-3-ynoic ... Impurity CS-O-46712 Not Available Enquire
2-(1-chloro-4-hydroxyisoquinoline-3-carboxamido)oxirane-2-ca... Impurity CS-O-46710 Not Available Enquire
2-(tert-butoxycarbonyl)-5-chloro-1,2,3,4-tetrahydroisoquinol... Impurity CS-SN-00099 Not Available Enquire
2-(tert-butoxycarbonyl)-7-chloro-1,2,3,4-tetrahydroisoquinol... Impurity CS-SN-00100 Not Available Enquire
2,2'-((4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carbonyl)a... Impurity CS-O-54972 ---- Enquire
2,5-dichloroquinoline Impurity CS-EM-03522 59412-12-3 Enquire
2-Hydroxyquinoline-4-carboxylic acid Impurity CS-M-16694 15733-89-8 In Stock
3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1... Impurity CS-O-33276 95848-94-5 Enquire
4-fluoroisoquinoline-8-sulfonyl chloride hydrochloride Impurity CS-O-52991 1334294-10-8 Enquire
4-hydroxy-1-oxo-7-phenoxy-1,2-dihydroisoquinoline-3-carboxyl... Impurity CS-O-54971 2342600-70-6 Enquire
4-hydroxy-7-methoxyquinoline-6-carboxamide Impurity CS-O-39929 2110414-05-4 In Stock
5-bromo-2-(tert-butoxycarbonyl)-7-chloro-1,2,3,4-tetrahydroi... Impurity CS-O-49952 2832127-60-1 Enquire
5-Chloro-8-hydroxyquinoline Impurity CS-O-06307 130-16-5 In Stock
6, 7-dimethoxy-1 -(3,4, 5-trimethoxy-benzyl) isoquinoline Impurity CS-O-43996 Not Available Enquire
7-Amino-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-4-oxo-3... Impurity CS-T-47707 172426-88-9 In Stock
Aripiprazole Bromobutoxyquinoline Impurity Impurity CS-O-31480 129722-34-5 In Stock
Isoquinoline-4,6-diol Impurity CS-ED-41712 1780813-78-6 Enquire
Isoquinoline-8-carboxylic acid Impurity CS-O-16465 61563-43-7 In Stock
N-(4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carbonyl)-N-me... Impurity CS-O-54973 ---- Enquire
N-Bocdesisoquinoline Netarsudil impurity Impurity CS-O-57156 2097334-20-6 Enquire
Phenylephrine 4,8 Isoquinoline Analog Impurity CS-O-48658 2514676-44-7 Enquire
Phenylephrine 4,8 Isoquinoline Analog Impurity CS-O-15944 23824-25-1 In Stock
Phenylephrine 4,8 Isoquinoline Hydrochloride analog Impurity CS-O-11269 23824-25-1 (Free Base) In Stock
Phenylephrine isoquinoline 4,6-diol analog Impurity CS-O-36024 23824-24-0 In Stock
Pyrroloquinoline quinone Impurity CS-T-53014 72909-34-3 Enquire
Quinoline Impurity 1 Impurity CS-O-60762 83-08-9 Enquire
Solifenacin Impurity (4-Nitrophenyl (1S)-1-Phenyl-3-4-Dihidr... Impurity CS-O-14496 1229227-22-8 In Stock
(+) N-formyl-1-(p-methoxybenzyl) 1,2,3,4,5,6,7,8 octa-hydro ... Impurity CS-O-37323 63477-91-8 Enquire
(1-chloro-4-hydroxy-7-phenoxyisoquinoline-3-carbonyl)glycine Impurity CS-ED-01076 808116-60-1 Enquire
(4-hydroxy-7-phenoxyisoquinoline-3-carbonyl)glycine Impurity CS-ED-01075 708263-68-7 Enquire
(S)-2-(2-(benzofuran-6-carbonyl )-5,7-dichloro-1,2,3,4-tetra... Impurity CS-O-38472 Not Available Enquire
(S)-2-(2-(benzofuran-6-carbonyl)-5,7-dichloro-1,2-dihydroiso... Impurity CS-O-38470 Not Available Enquire
1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-qui... Impurity CS-O-41614 141290-02-0 Enquire
1-Cyclopropyl-6,7-dimethoxy-1,4-dihydro-4-oxo-quinoline-3-ca... Impurity CS-O-40575 1267935-86-3 Enquire
2,7-bis(4-bromobutoxy) quinoline Impurity CS-O-35180 Not Available Enquire
3-((Carboxymethyl)carbamoyl)-4-hydroxy-1-methyl-7-phenoxyiso... Impurity CS-O-36231 Not Available Enquire
3-Bromo-8-methoxyquinoline Impurity CS-N-05177 103030-27-9 Enquire
3-quinolinecarboxylic acid, 1-(6-amino-3,5-difluoro-2-pyridi... Impurity CS-EM-01716 1093185-35-3 Enquire
4-(3-chloro-4-(3,3-dimethylureido)phenoxy)-7-methoxyquinolin... Impurity CS-O-39956 Not Available Enquire
4-(4-acetamido-3-chlorophenoxy)-7-methoxyquinoline-6-carboxa... Impurity CS-O-39930 Not Available Enquire
5,6,7-trichloro-8-hydroxyquinoline Impurity CS-ED-02073 5541-71-9 Enquire
5,7-diamino-1-cyclopropyl-6,8-difluoro-4-oxo-1,4-dihydroquin... Impurity CS-O-33461 Not Available Enquire
5-Acetylquinoline-2,8-diol Impurity CS-T-01078 62978-73-8 Enquire
5-Bromo-3,4-dihydro-1H-isoquinoline-2-carboxylic Acid tert-B... Impurity CS-T-67562 215184-78-4 Enquire
6,7-dimethoxy-4-(4-nitrophenoxy)quinoline Impurity CS-EO-01744 190728-24-6 Enquire
6-Bromo-7-chloro-1-ethyl-1,4-dihydro-4-oxo-3-quinolinecarbox... Impurity CS-O-40180 70458-86-5 Enquire
6-Chloro-2-cyclopropyl-4-(trifluoromethyl)-quinoline Impurity CS-T-50473 391860-73-4 Enquire
7-​methoxy-​4-​(4-​methoxy-​benzyl)​-​isoquinoline Impurity CS-O-42193 101733-93-1 Enquire
7-Chloro-4-[4-(3-chloropropyl)-1-piperazinyl]-quinoline Impurity CS-T-50772 4038-99-7 Enquire
Boc amino isoquinoline impurity Impurity CS-O-37706 1253955-19-9 Enquire
ethyl 1-cyclopropyl-7-fluoro-6,8-dimethoxy-4-oxo-1,4-dihydro... Impurity CS-O-38484 2489671-14-7 Enquire
Isoquinoline, 1-[(3,4-dimethoxyphenyl)methyl]-1,2,3,4-tetrah... Impurity CS-CB-00037 1699-51-0 Enquire
L-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid Impurity CS-O-31721 74163-81-8 Enquire
Quinoline Yellow A Spirit Soluble Impurity CS-T-61032 8003-22-3 Enquire
Quinoline-3-sulfonyl Chloride Impurity CS-T-61031 159182-40-8 Enquire
Quinoline-5-sulfonyl Chloride Impurity CS-T-41363 102878-84-2 Enquire
Quinoline-6-sulfonyl Chloride Impurity CS-T-61030 65433-99-0 Enquire
Samidorphan isoquinoline dioxolane Impurity CS-O-51248 361525-83-9 Enquire
Samidorphan methanobenzofuron isoquinoline Impurity CS-O-51249 421552-35-4 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1S)-1-Phenyl-1,2,3,4-tetrahydroisoquinoline Intermediate CS-O-31497 118864-75-8 In Stock
1,2,3,4-Tetrahydroisoquinoline Intermediate CS-T-86916 91-21-4 In Stock
2-(4-fluorophenyl)-5-nitroquinoline Intermediate CS-O-55439 1374108-73-2 Enquire
2-(4-methoxyphenyl)-5-nitroquinoline Intermediate CS-O-55440 3025971-67-6 Enquire
2-(benzo[d][1,3]dioxol-5-yl)-4-chloroquinoline Intermediate CS-O-55434 97440-40-9 Enquire
3-Benzyl-6-bromo-2-methoxyquinoline Intermediate CS-O-32114 654655-69-3 In Stock
3-phenylisoquinoline-1-carboxylic acid Intermediate CS-O-55444 92566-89-7 Enquire
3-Quinolinecarboxylic acid, 1,4-dihydro-6-[[methyl(2-methylp... Intermediate CS-O-55456 434908-00-6 Enquire
3-Quinolinecarboxylic acid, 1,4-dihydro-7-methyl-4-oxo-, eth... Intermediate CS-O-55451 77721-00-7 Enquire
3-Quinolinecarboxylic acid, 6-[(ethylphenylamino)sulfonyl]-1... Intermediate CS-O-55454 853139-10-3 Enquire
3-Quinolinecarboxylic acid, 6-[[(2-ethylphenyl)methylamino]s... Intermediate CS-O-55457 434907-96-7 Enquire
3-Quinolinecarboxylic acid, 6-[[(4-ethylphenyl)methylamino]s... Intermediate CS-O-55460 434907-95-6 Enquire
3-Quinolinecarboxylic acid, 7-chloro-1,4-dihydro-4-oxo-, met... Intermediate CS-O-55452 133514-23-5 Enquire
3-Quinolinecarboxylic acid, 7-fluoro-1,4-dihydro-4-oxo-, met... Intermediate CS-O-55453 1448259-82-2 Enquire
4,7- Dichloroquinoline Intermediate CS-O-01361 86-98-6 In Stock
4,8-Dichloroquinoline Intermediate CS-AC-12501 21617-12-9 In Stock
4-chloro-2-(4-fluorophenyl)quinoline Intermediate CS-O-55436 103914-43-8 Enquire
4-chloro-2-(4-methoxyphenyl)quinoline Intermediate CS-O-55435 21202-79-9 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-7-methoxyquinoline-6-carboxamide Intermediate CS-O-32422 417721-36-9 In Stock
4-iodo-2,8-bis(trifluoromethyl)quinoline Intermediate CS-O-49429 150785-69-6 In Stock
5,6,7,8-Tetrahydroquinoline Intermediate CS-AC-12498 10500-57-9 In Stock
5,7-Dichloro-1,2,3,4-tetrahydroisoquinoline Hydrochloride Intermediate CS-O-57676 73075-47-5 Enquire
5,7-Dichloro-1,2,3,4-tetrahydroisoquinoline-6-carboxylic Aci... Intermediate CS-BX-01103 1289646-93-0 In Stock
5,7-Dichloro-2-trityl-1,2,3,4-tetrahydroisoquinoline Intermediate CS-O-57658 1289646-72-5 Enquire
5,7-Dichloro-2-trityl-1,2,3,4-tetrahydroisoquinoline-6-carbo... Intermediate CS-O-57659 1194550-56-5 Enquire
5,7-Dichloro-8-hydroxyquinoline Intermediate CS-O-06308 773-76-2 In Stock
6,7-Dimethoxy-3,4-Dihydroisoquinoline Intermediate CS-EL-00945 3382-18-1 In Stock
6,7-Dimethoxy-4-(4-aminophenoxy)quinoline Intermediate CS-O-32099 190728-25-7 In Stock
6-amino-4-(3-chloro-4-(pyridin-2-ylmethoxy)phenylamino)-7-et... Intermediate CS-O-32427 848139-78-6 In Stock
6-Aminoisoquinoline Intermediate CS-M-52909 23687-26-5 In Stock
6-Hydroxy-3,4-dihydro-1H-quinoline-2-one Intermediate CS-O-05590 54197-66-9 In Stock
6-Isopropylisoquinoline Intermediate CS-O-47532 790304-84-6 Enquire
6-Methoxy8-nitroquinoline Intermediate CS-DJ-00721 85-81-4 In Stock
7-bromo-2-(tert-butoxycarbonyl)-5-chloro-1,2,3,4-tetrahydroi... Intermediate CS-O-49951 2832100-74-8 Enquire
7-Bromo-4-chloro-2-methylquinoline Intermediate CS-O-49628 143946-45-6 Enquire
7-Chloro-4-(2-methyl-1-pyrrolidinyl)-quinoline Intermediate CS-T-71832 6281-58-9 In Stock
8,9-Difluoro-5-methyl-1-oxo-1,5,6,7-tetrahydropyrido[3,2,1-i... Intermediate CS-O-16527 80076-47-7 In Stock
Ethyl 3,4-dihydro-7-hydroxy-1(2H)-quinolinebutanoate Intermediate CS-O-51675 185213-71-2 Enquire
Methyl 1,4-dihydro-6-methoxy-4-oxoquinoline-3-carboxylate Intermediate CS-O-55450 942227-34-1 Enquire


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5,7-Dichloro-8-hydroxyquinoline-O-beta-D-glucuronide Glucuronide CS-T-52693 40951-47-1 In Stock
5-Chloro-8-hydroxyquinoline β-D-glucuronide Glucuronide CS-DF-00050 65851-39-0 Enquire
8-hydroxyquinoline-Beta-d-glucuronic Acid, Sodium Glucuronide CS-AD-00752 207728-71-0 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(S)-1,2,3,4-Tetrahydroisoquinoline-1-Carboxylic Acid Fine Chemicals CS-MM-50763 151004-92-1 In Stock
2,4-dichloro-6-fluoroquinoline Fine Chemicals CS-ED-42053 406204-74-8 Enquire
4,7-Dimethoxy-6-quinolinecarboxamide Fine Chemicals CS-O-54550 2839104-94-6 Enquire
4-Chloro-6,7-dihydroxyquinoline Fine Chemicals CS-ED-00467 1256637-72-5 In Stock
5-Bromo-2-chloroquinoline Fine Chemicals CS-ED-42075 99455-13-7 Enquire
6,7-Dimethoxyisoquinoline Fine Chemicals CS-AC-10942 15248-39-2 In Stock
6-Bromo-4-chloro-3-quinolinecarbonitrile Fine Chemicals CS-ED-41864 364793-54-4 Enquire
7-Chloro-4-(piperazin-1-yl)quinoline Fine Chemicals CS-O-05513 837-52-5 In Stock
7-Chloro-4-hydroxyquinoline-3-carboxylic acid Fine Chemicals CS-O-53643 86-47-5 Enquire
7-Hydroxyquinoline Fine Chemicals CS-M-03671 580-20-1 In Stock
8-Bromo-5-methoxy-1,2,3,4-tetrahydroisoquinoline Fine Chemicals CS-O-49980 392660-50-3 Enquire
Ethyl 4,7-dichloroquinoline-3-carboxylate Fine Chemicals CS-O-59782 19499-19-5 Enquire
Ethyl 4-Hydroxyquinoline-3-Carboxylate Fine Chemicals CS-T-18983 52980-28-6 In Stock
Isoquinoline Fine Chemicals CS-T-30055 119-65-3 In Stock
Isoquinoline-6-carboxylic acid Fine Chemicals CS-O-16464 106778-43-2 In Stock
(R)-(+)-1-(2-Diphenylphosphino-1-naphthyl)isoquinoline Fine Chemicals CS-BX-01050 149341-34-4 Enquire
(S)-(−)-1-(2-Diphenylphosphino-1-naphthyl)isoquinoline Fine Chemicals CS-BX-01051 149341-33-3 Enquire
1,2,3,4-Tetrahydroisoquinoline-4,5,8-triol hydrochloride Fine Chemicals CS-O-35257 15052-02-5 Enquire
1-CYCLOPROPYL-6-FLUORO-5-METHYL-7-(3-METHYLPIPERAZIN-1-YL)-4... Fine Chemicals CS-ZJ-12657 161967-81-3 Enquire
2,4-Dihydroxy-3-nitroquinoline Fine Chemicals CS-MM-06101 15151-57-2 Enquire
2-Amino-3,4-dimethyl-3H-imidazo[4,5-f]quinoline Fine Chemicals CS-TA-08918 77094-11-2 Enquire
2-chloro-5,6,7,8-tetrahydro-3-quinolinecarboxylic acid Fine Chemicals CS-ZB-14344 99058-34-1 Enquire
3,6-Dibromoquinoline Fine Chemicals CS-TA-42514 69268-39-9 Enquire
3-methylquinoline-8-carboxylic acid Fine Chemicals CS-O-36579 94975-85-6 Enquire
4-Acetylisoquinoline Fine Chemicals CS-O-38038 40570-74-9 Enquire
4-Fluoro-5-{[(2R)-2-methyl-1,4-diazepan-1-yl]sulfonyl}isoqui... Fine Chemicals CS-O-37142 Not Available Enquire
4-Fluoroquinoline Fine Chemicals CS-T-54935 394-70-7 Enquire
6-Acetylquinoline Fine Chemicals CS-DL-00083 73013-68-0 Enquire
6-Bromo-1-(methylsulfonyl)-1,2,3,4-tetrahydroquinoline Fine Chemicals CS-MM-68678 727673-73-6 Enquire
6-Fluoro-1-(4-fluorophenyl)-7-(4-methylpiperazin-1-yl)-4-oxo... Fine Chemicals CS-MM-12462 98106-17-3 Enquire
6-Fluoro-2-(2-fluoro-[1,1-biphenyl]-4-yl)-3-methylquinoline-... Fine Chemicals CS-MM-09675 96187-53-0 Enquire
8-Hydroxyquinoline-4-carbaldehyde Fine Chemicals CS-ED-01218 14510-07-7 Enquire
methyl 1-(acetoxymethyl)-4-hydroxy-6-phenoxyisoquinoline-3-c... Fine Chemicals CS-O-37251 1959587-35-9 Enquire
Methyl 2-aminoquinoline-3-carboxylate Fine Chemicals CS-O-36097 75353-50-3 Enquire
tert-Butyl 7-bromo-3,4-dihydroisoquinoline-2(1H)-carboxylate Fine Chemicals CS-MM-27050 258515-65-0 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-(4-methoxybenzyl)-2-nitrosodecahydroisoquinoline Nitrosamine CS-O-53829 ---- Enquire
DL-DOPA tetrahydroisoquinoline Nitroso impurity Nitrosamine CS-O-57563 ---- Enquire


Pesticide Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
8-Nitroquinoline Pesticide Standards CS-DK-00406 607-35-2 In Stock


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3,4-Dihydro-6,7-di(methoxy-d3)-Isoquinoline Hydrochloride Stable Isotope Reagent CS-EO-03896 1783808-87-6 Enquire
6-Aminoquinoline-D6 Stable Isotope Reagent CS-T-103045 580-15-4(Unlabelled) Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1,3-Dichloro-6-fluoroisoquinoline Building Blocks CS-O-46873 1041423-26-0 Enquire
1-hydroxyisoquinoline-5-carboxylic acid Building Blocks CS-O-45042 212374-18-0 Enquire
3-​Methyl-​6-​quinolinesulfonyl Chloride Building Blocks CS-T-95900 1780572-69-1 Enquire
3-Bromo-7-nitroquinoline Building Blocks CS-O-47537 1354221-07-0 Enquire
4-​Chloro-​7-​(3-​chloropropoxy)​-​3-​cyano-​6-​methoxyquino... Building Blocks CS-T-95861 214470-68-5 Enquire
4-fluoroisoquinoline-5-sulfonyl chloride Building Blocks CS-BX-01332 194032-33-2 Enquire
6'-bromo-2',3'-dihydro-1'H-spiro[cyclobutane-1,4'-isoquinoli... Building Blocks CS-O-48762 1780107-29-0 Enquire
6'-bromo-2',3'-dihydro-1'H-spiro[cyclopropane-1,4'-isoquinol... Building Blocks CS-O-48761 2167621-83-0 Enquire
6-Bromoisoquinoline-1,3-diol Building Blocks CS-O-48730 1956382-48-1 Enquire
6-Fluoro-2-phenyl-4-quinolinecarboxylic acid Building Blocks CS-O-55368 1647-88-7 Enquire
6-Methoxy-2-methyl-4-quinolinecarboxylic acid Building Blocks CS-O-55362 78533-10-5 Enquire
6-Quinolinepropanoic acid Building Blocks CS-O-46115 476660-20-5 Enquire
7-Chloro-4- Methoxyquinoline Building Blocks CS-O-54003 26707-52-8 In Stock
8-(Benzyloxy)-5-bromoquinoline Building Blocks CS-O-55352 202259-06-1 Enquire
Ethyl 7-Chloro-1-cyclopropyl-6-fluoro-4-oxoquinoline-3-carbo... Building Blocks CS-T-102315 86483-54-7 Enquire
methyl 7-methoxy-4-oxo-1,4-dihydroquinoline-6-carboxylate Building Blocks CS-T-94536 205448-65-3 Enquire
Quinoline-2-sulfonyl chloride Building Blocks CS-O-46283 193634-32-1 Enquire
2-phenylquinoline Building Blocks CS-ED-02263 612-96-4 Enquire
4-Bromoisoquinoline-1-carboxylic Acid Building Blocks CS-TA-64851 1179149-25-7 Enquire
4-chloroquinoline-2-carboxylic Acid Building Blocks CS-TB-06234 15733-82-1 Enquire
7-(Difluoromethyl)-1,2,3,4-tetrahydroquinoline Building Blocks CS-T-93966 1783624-20-3 Enquire
Quinoline-4-sulfonyl chloride Building Blocks CS-O-46284 952651-40-0 Enquire
S)-N-Fmoc-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid Building Blocks CS-M-29737 136030-33-6 Enquire
Tert-butyl 8-bromo-3,4-dihydroisoquinoline-2(1H)-carboxylate Building Blocks CS-ZE-19509 893566-75-1 Enquire


Chiral

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
R-1,2,3,4-Tetrahydro-3-Isoquinolinecarboxylic Acid Chiral CS-BB-00042 103733-65-9 In Stock