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

Isoquinoline 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)-1-Phenyl-1,2,3,4-tetrahydroisoquinoline-d5 Stable Isotopes CS-T-83977 1217607-42-5 Enquire
(S)-4-Nitrophenyl 1-Phenyl-d5-3,4-dihydroisoquinoline-2(1H)-... Stable Isotopes CS-T-97262 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
2-(1,1-Dimethylethyl)-1,2,3,4-tetrahydro-4,6,8-Isoquinolinet... Stable Isotopes CS-T-101467 Not Available Enquire
6,7-d6-Dimethoxy-3,4-dihydroisoquinoline Stable Isotopes CS-O-16809 1221885-61-5 Enquire
rac-(4R)-4,6-Dihydroxy-2-methyl-1,2,3,4-tetrahydroisoquinoli... Stable Isotopes CS-T-97584 Not Available Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-fluoroisoquinoline-5-sulfonyl chloride API Standards CS-BX-01332 194032-33-2 Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"(3S,4aS,8aS)-2-Carbobenzyloxy-decahydro-N-(2-hydroxy-1,1-di... Impurities CS-T-10264 213135-53-6 Enquire
"(3S,4aS,8aS)-Decahydroisoquinolinecarboxylic Acid, Hydrochl... Impurities CS-T-51669 115238-58-9 Enquire
"(4R)-4,8-dihydroxy-N-methyl-1,2,3,4-tetrahydroisoquinoline ... Impurities CS-DH-00028 57286-92-7(anhydrous) Enquire
"(S)-1-(4-Methoxybenzyl)-1,2,3,4,5,6,7,8-octahydroisoquinoli... Impurities CS-T-81137 103573-39-3 Enquire
"(S)-1,2,3,4-Tetrahydro-6,7-dimethoxy-3-isoquinolinecarboxyl... Impurities CS-T-61884 103733-31-9 Enquire
"(S)-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic Acid Benzyl... Impurities CS-T-43738 103733-30-8 Enquire
"1-(3,4-diethoxybenzyl)-6,7-diethoxy-1,2,3,4-tetrahydroisoqu... Impurities CS-Q-00775 21088-15-3 Enquire
"1,2,3,4-tetrahydro-1,2-dimethyl-4,8-isoquinolinediol " Impurities CS-T-61815 102830-20-6 Enquire
"1,2,3,4-Tetrahydro-6,7-dimethoxy-2-[2-(4-nitrophenyl)ethyl]... Impurities CS-T-86927 82925-01-7 Enquire
"1,2,3,4-Tetrahydro-N-hydroxy-2-[(1-methyl-1H-pyrrol-2-yl)ca... Impurities CS-T-87245 1259296-46-2 Enquire
"1,4-Dichloro-7-isoquinolinesulfonyl Chloride" Impurities CS-T-52631 223671-80-5 Enquire
"1-Oxo-2-[(pyrazin-2-ylcarbonyl)amino]-1,2-dihydroisoquinoli... Impurities CS-M-26016 1119451-17-0 Enquire
"2-(Methylsulfonyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxy... Impurities CS-M-26288 1007984-74-8 Enquire
"2-Benzoyl-1,2,3,4-tetrahydro-isoquinoline-3-carboxylic acid... Impurities CS-M-04252 93316-40-6 Enquire
"3,4-Dihydro-6-methoxy-7-(phenylmethoxy)-1-[[4-(phenylmethox... Impurities CS-T-53223 500577-65-1 Enquire
"4-Amino-5,6,7,8-tetrahydro Isoquinoline" Impurities CS-T-03500 130831-67-3 Enquire
"6,7-Dimethoxy-1,2,3,4-tetrahydro-isoquinoline-3-carboxylic ... Impurities CS-M-09678 76824-86-7 Enquire
"6-Methyl-1,2,3,4-tetrahydroisoquinoline" Impurities CS-T-35143 42923-76-2 Enquire
"7-(Trifluoromethyl)-1,2,3,4-tetrahydroisoquinoline-5-carbon... Impurities CS-M-53250 1187830-66-5 Enquire
"7'-bromo-2',3'-dihydro-1'H-spiro[cyclobutane-1,4'-isoquinol... Impurities CS-EM-01440 1314792-82-9 Enquire
(+) N-formyl-1-(p-methoxybenzyl) 1,2,3,4,5,6,7,8 octa-hydro ... Impurities CS-O-37323 63477-91-8 Enquire
(1-chloro-4-hydroxy-7-phenoxyisoquinoline-3-carbonyl)glycine Impurities CS-ED-01076 808116-60-1 Enquire
(1-chloro-4-hydroxyisoquinoline-3-carbonyl)cysteine Impurities CS-O-46711 Not Available Enquire
(1R)-3,4-Dihydro-1-phenyl-2(1H)-isoquinoline carboxylic acid... Impurities CS-O-38614 Not Available Enquire
(1R,4R)-2-methyl-1-phenyl-1,2,3,4-tetrahydroisoquinoline-4,6... Impurities CS-O-43306 2095343-25-0 Enquire
(1R,4R)-2-methyl-1-phenyl-1,2,3,4-tetrahydroisoquinoline-4,8... Impurities CS-O-43307 Not Available Enquire
(1S)-3,4-Dihydro-1-phenyl-2(1H)-isoquinoline carboxylic acid... Impurities CS-O-38615 Not Available Enquire
(1S,4R)-2-methyl-1-phenyl-1,2,3,4-tetrahydroisoquinoline-4,6... Impurities CS-O-43305 2095343-19-2 Enquire
(1S,4R)-2-methyl-1-phenyl-1,2,3,4-tetrahydroisoquinoline-4,8... Impurities CS-O-43308 Not Available Enquire
(3R)-2-Carbobenzoxy-1,2,3,4-tetrahydroisoquinoline-3-carboxy... Impurities CS-T-68894 146684-74-4 Enquire
(4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carbonyl)-L-seri... Impurities CS-O-54974 Not Available Enquire
(4-hydroxy-7-phenoxyisoquinoline-3-carbonyl)glycine Impurities CS-ED-01075 708263-68-7 Enquire
(Benzyl R -1,2,3,4-tetrahydroisoquinoline-3-carboxylate p -... Impurities CS-O-36814 227290-59-7 Enquire
(R)-2-(N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-O-(tert-butyl)... Impurities CS-O-37703 Not Available Enquire
(R)-2-(tert-Butoxycarbonyl)-1,2,3,4-tetrahydroisoquinoline-3... Impurities CS-DV-00298 115962-35-1 Enquire
(S)-2-((S)-2-(2-(benzofuran-6-carbonyl)5,7-dichloro-1,2,3,4-... Impurities CS-O-38473 Not Available Enquire
(S)-2-(2-(benzofuran-6-carbonyl )-5,7-dichloro-1,2,3,4-tetra... Impurities CS-O-38472 Not Available Enquire
(S)-2-(2-(benzofuran-6-carbonyl)-5,7-dichloro-1,2-dihydroiso... Impurities CS-O-38470 Not Available Enquire
(S)-2-(2-(benzofuran-6-carbonyl)-5,7-dichloro-1-oxo1,2,3,4-t... Impurities CS-O-38471 Not Available Enquire
1-(5-Isoquinolinesulfonyl)-2-methylpiperazine Dihydrochlorid... Impurities CS-T-30061 108930-17-2 Enquire
1-(5-Isoquinolinesulfonyl)-3-methylpiperazine Hydrochloride Impurities CS-T-30064 141543-65-9 Enquire
1-(5-Isoquinolinesulfonyl)piperazine Hydrochloride Impurities CS-T-30066 141543-63-7 Enquire
1-(8-Chloro-5-isoquinolinesulfonyl)piperazine Dihydrochlorid... Impurities CS-T-11828 355115-40-1 Enquire
1,2,3,4-Tetrahydro-4,6-dihydroxy-2-methylisoquinoline Hydroc... Impurities CS-O-11270 57196-61-9 In Stock
1-Oxo-2-(3-pyridinylmethyl)-1,2-dihydro-4-isoquinolinecarbox... Impurities CS-M-30492 477851-07-3 Enquire
2-(1-chloro-4-hydroxyisoquinoline-3-carboxamido)-3-oxopropan... Impurities CS-O-46709 Not Available Enquire
2-(1-chloro-4-hydroxyisoquinoline-3-carboxamido)but-3-ynoic ... Impurities CS-O-46712 Not Available Enquire
2-(1-chloro-4-hydroxyisoquinoline-3-carboxamido)oxirane-2-ca... Impurities CS-O-46710 Not Available Enquire
2-(4-Methyl-benzoyl)-1,2,3,4-tetrahydro-isoquinoline-3-carbo... Impurities CS-M-04257 436811-20-0 Enquire
2-(6-Methacryloyloxyhexyl)thioxantheno[2,1,9-dej]isoquinolin... Impurities CS-T-57523 450387-14-1 Enquire
2-(tert-butoxycarbonyl)-1,2,3,4-tetrahydroisoquinoline-8-car... Impurities CS-DV-01162 878798-87-9 Enquire
2-(tert-butoxycarbonyl)-5-chloro-1,2,3,4-tetrahydroisoquinol... Impurities CS-SN-00099 Not Available Enquire
2-(tert-butoxycarbonyl)-7-chloro-1,2,3,4-tetrahydroisoquinol... Impurities CS-SN-00100 Not Available Enquire
2,2'-((4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carbonyl)a... Impurities CS-O-54972 Not Available Enquire
2-tert-butyl 8a-methyl (8aR)-6-oxo-1,2,3,4,6,7,8,8a-octahydr... Impurities CS-EM-03536 445312-74-3 Enquire
3-((Carboxymethyl)carbamoyl)-4-hydroxy-1-methyl-7-phenoxyiso... Impurities CS-O-36231 Not Available Enquire
4-(3-bromophenyl)-6,8-dichloro-2-methyl-1,2,3,4-tetrahydrois... Impurities CS-EM-02775 543739-81-7 Enquire
4-Fluoroisoquinoline Impurities CS-DV-02795 394-67-2 Enquire
4-fluoroisoquinoline-8-sulfonyl chloride hydrochloride Impurities CS-O-52991 1334294-10-8 Enquire
4-hydroxy-1-oxo-7-phenoxy-1,2-dihydroisoquinoline-3-carboxyl... Impurities CS-O-54971 2342600-70-6 Enquire
4-Methylisoquinoline Impurities CS-T-34145 1196-39-0 Enquire
5,6,7,8-Tetrahydroisoquinoline Impurities CS-DV-02974 36556-06-6 Enquire
5-Amino Isoquinoline Impurities CS-T-02825 1125-60-6 Enquire
5-Bromo-1,2,3,4-tetrahydroisoquinoline Impurities CS-DL-00753 81237-69-6 Enquire
5-bromo-2-(tert-butoxycarbonyl)-7-chloro-1,2,3,4-tetrahydroi... Impurities CS-O-49952 2832127-60-1 Enquire
5-Bromo-3,4-dihydro-1H-isoquinoline-2-carboxylic Acid tert-B... Impurities CS-T-67562 215184-78-4 Enquire
6, 7-dimethoxy-1 -(3,4, 5-trimethoxy-benzyl) isoquinoline Impurities CS-O-43996 Not Available Enquire
6,7,8,9-Tetrahydro-1H-imidazo[4,5-h]isoquinoline Hydrochlori... Impurities CS-T-86257 1794760-42-1 Enquire
6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline-3-carbohydrazid... Impurities CS-M-25080 1008052-15-0 Enquire
6-Amino-7-fluoro-3,4-dihydro-2(1H)-Isoquinolinecarboxylic Ac... Impurities CS-T-47829 912846-68-5 Enquire
6'-bromo-3',4'-dihydro-2'H-spiro[cyclobutane-1,1'-isoquinoli... Impurities CS-EM-01448 1823932-58-6 Enquire
6-Chloro-2-(4-pyridinylmethyl)-1H-benz[de]isoquinoline-1,3(2... Impurities CS-T-71635 353262-80-3 Enquire
6-Methoxy-5-nitroisoquinoline Impurities CS-T-32620 72677-92-0 Enquire
7-Chloro-3-isoquinolinecarboxylic Acid Hydrochloride Impurities CS-T-11825 365998-39-6 Enquire
7-Methoxy-8-nitroisoquinoline Impurities CS-T-32621 63485-75-6 Enquire
8-Bromo-3-butyl-1-chloro-5,10-dihydroimidazo[1,5-b]isoquinol... Impurities CS-T-49639 1246820-05-2 Enquire
Boc - 7 - hydroxy - (S) - 1,2,3,4 - tetrahydroisoquinoline -... Impurities CS-M-29722 142335-42-0 Enquire
Boc amino isoquinoline impurity Impurities CS-O-37706 1253955-19-9 Enquire
Isoquinoline N-oxide Impurities CS-M-57676 1532-72-5 Enquire
Isoquinoline, 1-[(3,4-dimethoxyphenyl)methyl]-1,2,3,4-tetrah... Impurities CS-CB-00037 1699-51-0 Enquire
Isoquinoline-1-carboxylic acid Impurities CS-M-25841 486-73-7 Enquire
Isoquinoline-4,6-diol Impurities CS-ED-41712 1780813-78-6 Enquire
Isoquinoline-5-sulfonic Acid Impurities CS-T-56909 27655-40-9 Enquire
Isoquinoline-6-carboxaldehyde Impurities CS-EL-26263 173089-81-1 Enquire
Isoquinoline-8-carboxylic acid Impurities CS-O-16465 61563-43-7 In Stock
L-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid Impurities CS-O-31721 74163-81-8 Enquire
Losartan Imidazo[1,5-b]isoquinoline Impurity Impurities CS-T-57304 165276-38-0 Enquire
methyl 1,2,3,4-tetrahydroisoquinoline-8-carboxylate hydrochl... Impurities CS-EM-03476 1029689-82-4 Enquire
Methyl 6,7-dimethoxy-1,2,3,4-tetra-hydroisoquinoline-3-carbo... Impurities CS-M-20301 30740-96-6 Enquire
N-(2-Aminoethyl)-5-chloroisoquinoline-8-sulfonamide Dihydroc... Impurities CS-T-47792 1177141-67-1 Enquire
N-(2-Aminoethyl)-5-isoquinolinesulfonamide Hydrochloride Impurities CS-T-47804 116970-50-4 Enquire
N-(4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carbonyl)-N-me... Impurities CS-O-54973 Not Available Enquire
N-[2-(Methylamino)ethyl]-5-isoquinolinesulfonamide Dihydroch... Impurities CS-T-57920 113276-94-1 Enquire
N-[2-(p-Bromocinnamylamino)ethyl]-5-Isoquinoline Sulfonamide Impurities CS-T-08076 127243-85-0 Enquire
N-[2-(p-Bromocinnamylamino)ethyl]-5-isoquinoline Sulfonamide... Impurities CS-T-08077 130964-39-5 Enquire
N-Bocdesisoquinoline Netarsudil impurity Impurities CS-O-57156 2097334-20-6 Enquire
PB-22 8-Hydroxyisoquinoline Isomer Impurities CS-T-84637 1798021-82-5 Enquire
Phenylephrine 4,8 Isoquinoline Analog Impurities CS-O-15944 23824-25-1 Enquire
Phenylephrine 4,8 Isoquinoline Hydrochloride analog Impurities CS-O-11269 23824-25-1 (Free Base) In Stock
Phenylephrine isoquinoline 4,6-diol analog Impurities CS-O-36024 23824-24-0 In Stock


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"(1R,4S)-rel-4-Amino-1,2,3,4-tetrahydro-3-oxo-1-isoquinoline... Intermediates CS-T-48092 151312-48-0 Enquire
"(1S)-3,4-Dihydro-1-phenyl-2(1H)-isoquinolinecarbonyl Chlori... Intermediates CS-T-89606 1195949-26-8 Enquire
"(3S)-1,2,3,4-Tetrahydro-6,7-dimethoxy-3-isoquinolinecarboxy... Intermediates CS-T-86484 103733-66-0 Enquire
"(3S,4aS,8aS)-2-Carbobenzyloxy-decahydro-3-isoquinolinecarbo... Intermediates CS-T-10265 136465-85-5 Enquire
"(3S,4aS,8aS)-Decahydro-N-t-butyl-3-isoquinolinecarboxamide" Intermediates CS-T-14568 136465-81-1 Enquire
"(S)-7-Hydroxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylic a... Intermediates CS-DV-00401 128502-56-7 Enquire
"1-(3,4-Dimethoxybenzyl)-6,7-dimethoxy-1,2,3,4-tetrahydroiso... Intermediates CS-EL-04751 54417-52-6 Enquire
"1-(3,4-Dimethoxyphenyl)-6,7-dimethoxy-1,2,3,4-tetrahydroiso... Intermediates CS-T-91179 251306-32-8 Enquire
"1-(4-chlorophenyl)-3-[(2,6-dichlorobenzyl)sulfanyl]-5,6,7,8... Intermediates CS-EL-11226 439096-77-2 Enquire
"1-(4-chlorophenyl)-3-[(3-fluoropropyl)sulfanyl]-5,6,7,8-tet... Intermediates CS-EL-05212 691868-87-8 Enquire
"1-(cyanomethyl)-N-(2,4-dichlorophenyl)-3,4-dihydro-2(1H)-is... Intermediates CS-EL-17632 339011-96-0 Enquire
"1,1-dimethyl-1,2,3,4-tetrahydro-isoquinoline" Intermediates CS-DV-00610 41565-85-9 Enquire
"1,2,3,4,5,6,7,8-Octahydro-1-[(4-methoxyphenyl)methyl]-isoqu... Intermediates CS-T-83488 51072-36-7 In Stock
"1,2,3,4-tetrahydro isoquinoline-2-carboxylic acid" Intermediates CS-O-31486 551962-90-4 Enquire
"1,2,3,4-Tetrahydro-2-(trifluoroacetyl)isoquinoline-7-sulfon... Intermediates CS-T-86602 74291-57-9 Enquire
"1,2,3,4-Tetrahydro-3-methylisoquinoline Hydrochloride" Intermediates CS-T-43847 112794-28-2 Enquire
"1,2,3,4-Tetrahydro-isoquinoline-1-carboxylic acid" Intermediates CS-AC-12582 41034-52-0 Enquire
"1,2,3,4-Tetrahydroisoquinoline-3-carboxylic Acid Ethyl Este... Intermediates CS-T-86347 41234-43-9 Enquire
"1,3,6-Trichloroisoquinoline" Intermediates CS-M-53373 1053658-49-3 Enquire
"1,3-Dichloro-6-ethylisoquinoline" Intermediates CS-AC-12484 1150271-19-4 Enquire
"1,3-Dichloro-6-methylisoquinoline" Intermediates CS-AC-12593 21902-38-5 Enquire
"1,3-Dichloro-7-fluoroisoquinoline" Intermediates CS-AC-10913 941294-25-3 Enquire
"1,4-Dibromoisoquinoline" Intermediates CS-M-54980 51206-40-7 Enquire
"1,4-Dichloroisoquinoline" Intermediates CS-AC-12466 15298-58-5 Enquire
"1,7-Dichloro-4-methoxyisoquinoline" Intermediates CS-T-88793 630423-36-8 Enquire
"1,7-Dichloroisoquinoline" Intermediates CS-AC-12502 70810-24-1 Enquire
"1-{[3-chloro-5-(trifluoromethyl)-2-pyridinyl]methyl}-1,2,3,... Intermediates CS-EL-02533 338793-09-2 Enquire
"1-amino-5-phenyl-6,7,8,9-tetrahydrothieno[2,3-c]isoquinolin... Intermediates CS-EL-08800 296878-08-5 Enquire
"1-Benzyl-1,2,3,4-tetrahydroisoquinoline" Intermediates CS-M-42501 19716-56-4 Enquire
"1-chloro-N,N-dimethyl-4-isoquinolinecarboxamide" Intermediates CS-EL-03960 240799-61-5 Enquire
"1-Methyl-1,2,3,4-tetrahydroisoquinoline hydrochloride" Intermediates CS-M-58193 111635-08-6 Enquire
"1-Oxo-1,2-dihydro-4-isoquinolinecarboxylic acid" Intermediates CS-M-30142 34014-51-2 Enquire
"2-((S)-Quinuclidin-3-yl)-2,3,3a,4,5,6-hexahydro-1H-benzo[de... Intermediates CS-T-85347 1796933-62-4 Enquire
"2-(3-chloropropyl)-3-(3,4-dimethoxyphenyl)-1-oxo-1,2,3,4-te... Intermediates CS-EL-09136 1011412-52-4 Enquire
"2-(3-chloropropyl)-3-(4-methoxyphenyl)-1-oxo-1,2,3,4-tetrah... Intermediates CS-EL-03823 385383-38-0 Enquire
"2-(tert-butoxycarbonyl)-5,7-dichloro-1,2,3,4-tetrahydroisoq... Intermediates CS-O-16514 851784-82-2 Enquire
"2-[(2,4-dichlorobenzyl)oxy]-1,3-dioxo-1,2,3,4-tetrahydro-4-... Intermediates CS-EL-16967 338419-50-4 Enquire
"2-[3-chloro-5-(trifluoromethyl)-2-pyridinyl]-1,2,3,4-tetrah... Intermediates CS-EL-16128 338956-56-2 Enquire
"2-Amino-3-methyl-3H-imidazo[4,5-F]isoquinoline Hydrobromide... Intermediates CS-T-02986 1246819-52-2 Enquire
"2-Amino-3-methyl-3H-imidazo[4,5-f]isoquinoline" Intermediates CS-T-02984 147293-15-0 Enquire
"2-Amino-3-methyl-3H-imidazo[4,5-h]isoquinoline" Intermediates CS-T-47927 147293-14-9 Enquire
"2-benzo[d]1,3-dioxolen-5-yl-3-(4-methoxyphenyl)-1-oxo-2,3,4... Intermediates CS-EL-32098 1023480-30-9 Enquire
"2-cyclopentyl-3-(2,4-dichlorophenyl)-1-oxo-1,2,3,4-tetrahyd... Intermediates CS-EL-03606 400073-92-9 Enquire
"2-cyclopentyl-3-(2-methoxyphenyl)-1-oxo-1,2,3,4-tetrahydro-... Intermediates CS-EL-05931 385383-40-4 Enquire
"2-cyclopentyl-3-(4-methoxyphenyl)-1-oxo-1,2,3,4-tetrahydro-... Intermediates CS-EL-06198 400073-93-0 Enquire
"2-Methyl-1,2,3,4-tetrahydro-isoquinoline-3-carboxylic acid ... Intermediates CS-M-22200 20335-68-6 Enquire
"2-Methyl-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid" Intermediates CS-M-17261 54329-54-3 Enquire
"2-Methyl-1,2,3,4-tetrahydroisoquinoline-6-boronic acid pina... Intermediates CS-AC-05292 922718-57-8 Enquire
"2-Methyl-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid" Intermediates CS-M-16699 54931-62-3 Enquire
"2-Phenyl-1,2,3,4-tetrahydroisoquinoline" Intermediates CS-T-84541 3340-78-1 Enquire
"3-(4-chlorophenyl)-2-cyclohexyl-1-oxo-1,2,3,4-tetrahydro-4-... Intermediates CS-EL-05712 400073-91-8 Enquire
"3-(benzylsulfanyl)-1-(2-fluorophenyl)-5,6,7,8-tetrahydro-4-... Intermediates CS-EL-06257 861209-36-1 Enquire
"3-(benzylsulfanyl)-1-(4-methylphenyl)-5,6,7,8-tetrahydro-4-... Intermediates CS-EL-08417 439108-50-6 Enquire
"3-(benzylsulfanyl)-1-phenyl-5,6,7,8-tetrahydro-4-isoquinoli... Intermediates CS-EL-09309 315246-92-5 Enquire
"3,4-Dibromoisoquinoline" Intermediates CS-EL-08090 36963-44-7 Enquire
"3,4-Dihydro-1-phenylisoquinoline Hydrochloride" Intermediates CS-T-90619 52250-51-8 Enquire
"3,4-Dihydro-3,3-dimethylisoquinoline" Intermediates CS-T-90184 28460-55-1 Enquire
"3,4-Dihydro-5,6-dimethoxyisoquinoline Hydrochloride" Intermediates CS-T-89474 75877-71-3 Enquire
"3,4-Dihydro-5,7-dimethoxy-isoquinoline Hydrochloride" Intermediates CS-T-90188 29969-25-3 Enquire
"3,4-Dihydro-5,8-dimethoxyisoquinoline Hydrochloride" Intermediates CS-T-90449 29983-76-4 Enquire
"3,4-Dihydro-5-methoxyisoquinoline" Intermediates CS-T-90787 1355060-40-0 Enquire
"3,4-Dihydro-7-methoxy-isoquinoline Hydrochloride" Intermediates CS-T-89198 1216775-99-3 Enquire
"3,4-Dihydro-8-methoxy-isoquinoline Hydrochloride" Intermediates CS-T-90350 24693-45-6 Enquire
"3,4-Dihydroisoquinoline" Intermediates CS-T-89339 3230-65-7 Enquire
"3-[(cyanomethyl)sulfanyl]-1-(3-methylphenyl)-5,6,7,8-tetrah... Intermediates CS-EL-07702 439107-38-7 Enquire
"3-[(cyanomethyl)sulfanyl]-1-(4-methylphenyl)-5,6,7,8-tetrah... Intermediates CS-EL-01451 439096-33-0 Enquire
"3-[(cyanomethyl)sulfanyl]-1-phenyl-5,6,7,8-tetrahydro-4-iso... Intermediates CS-EL-05519 315246-86-7 Enquire
"3-Butyl-1-chloro-5,10-dihydro-8-(2-cyanophenyl)imidazol-[1,... Intermediates CS-T-09339 1246814-77-6 Enquire
"3-isoquinolinecarboxylic Acid, 1,2,3,4-tetrahydro-, Methyl ... Intermediates CS-AD-00876 79799-05-6 Enquire
"4-(3-bromophenyl)-6,8-dichloro-2-methyl-1,2,3,4-tetrahydroi... Intermediates CS-DL-00139 543737-10-6 Enquire
"4-Phenyl-1,2,3,4-tetrahydroisoquinoline" Intermediates CS-T-84250 75626-12-9 Enquire
"5,6,7,8-Tetrahydro-[1,3]dioxolo[4,5-g]isoquinoline" Intermediates CS-T-86722 94143-83-6 Enquire
"5,8-Dibromoisoquinoline" Intermediates CS-AC-10981 81045-39-8 Enquire
"5,8-dichloro-7-nitroisoquinoline" Intermediates CS-EL-08206 1198775-29-9 Enquire
"5-Aminoisoquinoline, HCl" Intermediates CS-AC-04667 152814-23-8 Enquire
"5-Bromo-1,2,3,4-tetrahydro-isoquinoline, HCl" Intermediates CS-AC-06852 923591-51-9 Enquire
"6,7,8,9-Tetrahydrothiazolo[4,5-h]isoquinoline" Intermediates CS-T-86730 120546-67-0 Enquire
"6,7-Dimethoxy-1-(3,4,5-triethoxyphenyl)isoquinoline" Intermediates CS-EL-06818 549-68-8 Enquire
"6,7-Dimethoxy-1(S)-[2-[4-(trifluoromethyl)phenyl]ethyl]-1,2... Intermediates CS-O-31862 769172-81-8 Enquire
"6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline" Intermediates CS-EL-05780 1745-07-9 Enquire
"6,7-Dimethoxy-3-methyl-1,2,3,4-tetrahydroisoquinoline, HCl" Intermediates CS-T-91922 6266-97-3 Enquire
"6-Amino-1,2,3,4-tetrahydroisoquinoline Hydrochloride" Intermediates CS-T-66215 175871-42-8 Enquire
"6-Amino-1,2,3,4-tetrahydroisoquinoline" Intermediates CS-T-03509 72299-67-3 Enquire
"6-Amino-2-N-Boc-1,2,3,4-tetrahydroisoquinoline" Intermediates CS-T-66599 164148-92-9 Enquire
"6-Bromo-1,2,3,4-tetrahydroisoquinoline hydrochloride" Intermediates CS-M-56204 215798-19-9 Enquire
"6-Chloro-1,2,3,4-tetrahydroisoquinoline" Intermediates CS-AC-01914 33537-99-4 Enquire
"6-Fluoro-1-undecyl-3,4-dihydroisoquinoline" Intermediates CS-T-24362 914381-28-5 Enquire
"6-Hydroxy-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid" Intermediates CS-M-34500 76824-99-2 Enquire
"6-Methoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride" Intermediates CS-M-13565 57196-62-0 Enquire
"6-Methoxyisoquinoline, HCl" Intermediates CS-AC-12541 915865-96-2 Enquire
"7,8-Dichloroisoquinoline" Intermediates CS-AC-10973 61563-36-8 Enquire
"7'-Aminospiro[cyclopropane-1,4'(1'H)-isoquinoline]-2'(3'H)c... Intermediates CS-T-48082 561297-88-9 Enquire
"7-Benzyloxy-1-(4-benzyloxy-3-hydroxybenzyl)-6-methoxy -1,2,... Intermediates CS-T-05929 62744-15-4 Enquire
"7-bromo-3,4-dihydro-2H-spiro[isoquinoline-1,3'-oxetane]" Intermediates CS-EM-01921 1823904-54-6 Enquire
"7-Fluoro-1,2,3,4-tetrahydroisoquinoline" Intermediates CS-DV-03363 406923-91-9 Enquire
"7-Nitro-1,2,3,4-tetrahydroisoquinoline" Intermediates CS-M-57719 42923-79-5 Enquire
"7-Oxo-7H-benzimidazo[2,1-a]benz[de]isoquinoline-3-carboxyli... Intermediates CS-T-59839 52029-86-4 Enquire
"8-Bromo-1,2,3,4-tetrahydroisoquinoline, HCl" Intermediates CS-AC-02261 1159813-53-2 Enquire
"9,10-dimethoxy-1,6,7,11b-tetrahydro-2H-pyrido[2,1-a]isoquin... Intermediates CS-EL-02707 5911-65-9 Enquire
"Benzyl 7-bromo-3,4-dihydroisoquinoline-2(1h)-carboxylate" Intermediates CS-AC-04844 625127-09-5 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
1,2,3,4-Tetrahydroisoquinoline-4,5,8-triol hydrochloride Fine Chemicals CS-O-35257 15052-02-5 Enquire
3-Bromoisoquinoline Fine Chemicals CS-M-52915 34784-02-6 Enquire
4-Acetylisoquinoline Fine Chemicals CS-O-38038 40570-74-9 Enquire
4-Bromoisoquinoline Fine Chemicals CS-T-08327 1532-97-4 Enquire
5-Bromo-4-fluoroisoquinoline Fine Chemicals CS-ED-02043 1841081-73-9 Enquire
6,7-Dimethoxyisoquinoline Fine Chemicals CS-AC-10942 15248-39-2 In Stock
6-bromo-8-methoxy-3,4-dihydro-2H-isoquinolin-1-one Fine Chemicals CS-O-37385 2340392-80-3 Enquire
7-bromoisoquinoline-3-carboxylic acid Fine Chemicals CS-O-39591 660830-63-7 Enquire
7-ethoxy-6-methoxy-1,2,3,4-tetrahydroisoquinoline Fine Chemicals CS-ED-02322 52759-44-1 Enquire
8-Bromo-5-methoxy-1,2,3,4-tetrahydroisoquinoline Fine Chemicals CS-O-49980 392660-50-3 Enquire
8-Bromoisoquinoline Fine Chemicals CS-M-52879 63927-22-0 Enquire
Desmethyl Roxadustat ethyl ester Fine Chemicals CS-O-36276 808116-52-1 Enquire
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
Methyl 8-Isoquinolinecarboxylate Fine Chemicals CS-DJ-00664 850858-56-9 Enquire
tert-Butyl 7-bromo-3,4-dihydroisoquinoline-2(1H)-carboxylate Fine Chemicals CS-MM-27050 258515-65-0 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"(R)-Fmoc-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid" Building Blocks CS-T-75506 204317-98-6 Enquire
"Fmoc-7-hydroxy-(r)-1,2,3,4-tetrahydroisoquinoline-3-carboxy... Building Blocks CS-T-77947 178432-50-3 Enquire
(S)-N-Boc-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid Building Blocks CS-M-29654 78879-20-6 Enquire
1,3-Dichloro-6-fluoroisoquinoline Building Blocks CS-O-46873 1041423-26-0 Enquire
1-Chloroisoquinoline-7-boronic acid Building Blocks CS-T-73036 370864-49-6 Enquire
3-Fluoroisoquinoline-6-boronic Acid Building Blocks CS-T-74609 1105710-34-6 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
Fmoc-(3S)-1,2,3,4-tetrahydroisoquinoline-3-acetic acid Building Blocks CS-T-75682 270062-99-2 Enquire
Fmoc-7-hydroxy-(s)-1,2,3,4-tetrahydroisoquinoline-3-carboxyl... Building Blocks CS-T-77108 178432-49-0 Enquire
N-Boc-1,2,3,4-Tetrahydroisoquinoline-6-carboxylic Acid Building Blocks CS-T-68448 170097-67-3 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