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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)-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
rac-(4R)-4,6-Dihydroxy-2-methyl-1,2,3,4-tetrahydroisoquinoli... Stable Isotopes CS-T-97584 Not Available Enquire
(3S,4aS,8aS)-2-[(2R,3S)-3-Amino-2-hydroxy-4-phenylbutyl]-N-(... Stable Isotopes CS-T-97813 Not Available Enquire
(S)-1-Phenyl-1,2,3,4-tetrahydroisoquinoline-d5 Stable Isotopes CS-T-83977 1217607-42-5 Enquire
6,7-d6-Dimethoxy-3,4-dihydroisoquinoline Stable Isotopes CS-O-16809 1221885-61-5 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
1,2,3,4-Tetrahydro-4,6-dihydroxy-2-methylisoquinoline Hydroc... Impurity CS-O-11270 57196-61-9 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
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
5-bromo-2-(tert-butoxycarbonyl)-7-chloro-1,2,3,4-tetrahydroi... Impurity CS-O-49952 2832127-60-1 Enquire
6, 7-dimethoxy-1 -(3,4, 5-trimethoxy-benzyl) isoquinoline Impurity CS-O-43996 Not Available Enquire
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 Enquire
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
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
(1R)-3,4-Dihydro-1-phenyl-2(1H)-isoquinoline carboxylic acid... Impurity CS-O-38614 Not Available Enquire
(1S)-3,4-Dihydro-1-phenyl-2(1H)-isoquinoline carboxylic acid... Impurity CS-O-38615 Not Available Enquire
(3R)-2-Carbobenzoxy-1,2,3,4-tetrahydroisoquinoline-3-carboxy... Impurity CS-T-68894 146684-74-4 Enquire
(3S,4aS,8aS)-2-Carbobenzyloxy-decahydro-N-(2-hydroxy-1,1-dim... Impurity CS-T-10264 213135-53-6 Enquire
(3S,4aS,8aS)-Decahydroisoquinolinecarboxylic Acid, Hydrochlo... Impurity CS-T-51669 115238-58-9 Enquire
(4-hydroxy-7-phenoxyisoquinoline-3-carbonyl)glycine Impurity CS-ED-01075 708263-68-7 Enquire
(4R)-4,8-dihydroxy-N-methyl-1,2,3,4-tetrahydroisoquinoline h... Impurity CS-DH-00028 57286-92-7(anhydrous) Enquire
(4R,4aS,7aR,12bS)-3-(cyclopropylmethyl)-4a,7,9-trihydroxy-2,... Impurity CS-O-40907 Not Available Enquire
(Benzyl R -1,2,3,4-tetrahydroisoquinoline-3-carboxylate p -... Impurity CS-O-36814 227290-59-7 Enquire
(R)-2-(N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-O-(tert-butyl)... Impurity CS-O-37703 Not Available Enquire
(R)-2-(tert-Butoxycarbonyl)-1,2,3,4-tetrahydroisoquinoline-3... Impurity CS-DV-00298 115962-35-1 Enquire
(R)-Quinuclidin-3-yl (S)-1-hydroxy-1-phenyl-3,4-dihydroisoqu... Impurity CS-T-94303 Not Available Enquire
(S)-1-(4-Methoxybenzyl)-1,2,3,4,5,6,7,8-octahydroisoquinolin... Impurity CS-T-81137 103573-39-3 Enquire
(S)-1,2,3,4-Tetrahydro-6,7-dimethoxy-3-isoquinolinecarboxyli... Impurity CS-T-61884 103733-31-9 Enquire
(S)-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic Acid Benzyl ... Impurity CS-T-43738 103733-30-8 Enquire
(S)-1-phenyl-1,2,3,4-tetrahydroisoquinoline succinate Impurity CS-O-39224 Not Available Enquire
(S)-2-((S)-2-(2-(benzofuran-6-carbonyl)5,7-dichloro-1,2,3,4-... Impurity CS-O-38473 Not Available 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-(3,4-diethoxybenzyl)-6,7-diethoxy-1,2,3,4-tetrahydroisoqui... Impurity CS-Q-00775 21088-15-3 Enquire
1-(4-Bromo-phenyl)-6,7-dimethoxy-1,2,3,4-tetrahydro-isoquino... Impurity CS-M-16018 96315-80-9 Enquire
1-(5-Isoquinolinesulfonyl)-2-methylpiperazine Dihydrochlorid... Impurity CS-T-30061 108930-17-2 Enquire
1-(5-Isoquinolinesulfonyl)-3-methylpiperazine Hydrochloride Impurity CS-T-30064 141543-65-9 Enquire
1-(5-Isoquinolinesulfonyl)piperazine Hydrochloride Impurity CS-T-30066 141543-63-7 Enquire
1-(8-Chloro-5-isoquinolinesulfonyl)piperazine Dihydrochlorid... Impurity CS-T-11828 355115-40-1 Enquire
1,2,3,4-tetrahydro-1,2-dimethyl-4,8-isoquinolinediol Impurity CS-T-61815 102830-20-6 Enquire
1,2,3,4-Tetrahydro-6,7-dimethoxy-2-[2-(4-nitrophenyl)ethyl]i... Impurity CS-T-86927 82925-01-7 Enquire
1,2,3,4-Tetrahydroisoquinoline-3-carboxamide Impurity CS-M-25548 112794-29-3 Enquire
1,2,3,4-Tetrahydro-isoquinoline-3-carboxylic acidethyl ester... Impurity CS-M-05631 57980-74-2 Enquire
1,2,3,4-Tetrahydro-N-hydroxy-2-[(1-methyl-1H-pyrrol-2-yl)car... Impurity CS-T-87245 1259296-46-2 Enquire
1,4-Dichloro-7-isoquinolinesulfonyl Chloride Impurity CS-T-52631 223671-80-5 Enquire
1-oxo-1,2,3,4-tetrahydroisoquinoline-3-carbonyl octahydro-1H... Impurity CS-O-36402 Not Available Enquire
1-Oxo-2-(3-pyridinylmethyl)-1,2-dihydro-4-isoquinolinecarbox... Impurity CS-M-30492 477851-07-3 Enquire
1-Oxo-2-[(pyrazin-2-ylcarbonyl)amino]-1,2-dihydroisoquinolin... Impurity CS-M-26016 1119451-17-0 Enquire
2-(4-Methyl-benzoyl)-1,2,3,4-tetrahydro-isoquinoline-3-carbo... Impurity CS-M-04257 436811-20-0 Enquire
2-(6-Methacryloyloxyhexyl)thioxantheno[2,1,9-dej]isoquinolin... Impurity CS-T-57523 450387-14-1 Enquire
2-(Furan-2-carbonyl)-1,2,3,4-tetrahydro-isoquinoline-3-carbo... Impurity CS-M-06411 730958-61-9 Enquire
2-(Methylsulfonyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxyl... Impurity CS-M-26288 1007984-74-8 Enquire
2-(tert-butoxycarbonyl)-1,2,3,4-tetrahydroisoquinoline-8-car... Impurity CS-DV-01162 878798-87-9 Enquire
2-Benzoyl-1,2,3,4-tetrahydro-isoquinoline-3-carboxylic acid Impurity CS-M-04252 93316-40-6 Enquire
2-Benzyl-1,2,3,4-tetrahydroisoquinoline-8-carboxylic acid Impurity CS-M-52976 1053656-29-3 Enquire
2-tert-butyl 8a-methyl (8aR)-6-oxo-1,2,3,4,6,7,8,8a-octahydr... Impurity CS-EM-03536 445312-74-3 Enquire
2-tert-butyl 8a-methyl (8aS)-6-oxo-1,2,3,4,6,7,8,8a-octahydr... Impurity CS-EM-02888 445312-78-7 Enquire
3-((Carboxymethyl)carbamoyl)-4-hydroxy-1-methyl-7-phenoxyiso... Impurity CS-O-36231 Not Available Enquire
3-(piperidin-1-yl)isoquinoline-4-carbonitrile Impurity CS-O-42195 68531-74-8 Enquire
3,4-Dihydro-6-methoxy-7-(phenylmethoxy)-1-[[4-(phenylmethoxy... Impurity CS-T-53223 500577-65-1 Enquire
4-(3-bromophenyl)-6,8-dichloro-2-methyl-1,2,3,4-tetrahydrois... Impurity CS-EM-02775 543739-81-7 Enquire
4-Amino-5,6,7,8-tetrahydro Isoquinoline Impurity CS-T-03500 130831-67-3 Enquire
4-Fluoroisoquinoline Impurity CS-DV-02795 394-67-2 Enquire
4-Methylisoquinoline Impurity CS-T-34145 1196-39-0 Enquire
5,6,7,8-Tetrahydroisoquinoline Impurity CS-DV-02974 36556-06-6 Enquire
5-Amino Isoquinoline Impurity CS-T-02825 1125-60-6 Enquire
5-Bromo-1,2,3,4-tetrahydroisoquinoline Impurity CS-DL-00753 81237-69-6 Enquire
5-Bromo-3,4-dihydro-1H-isoquinoline-2-carboxylic Acid tert-B... Impurity CS-T-67562 215184-78-4 Enquire
6,7,8,9-Tetrahydro-1H-imidazo[4,5-h]isoquinoline Hydrochlori... Impurity CS-T-86257 1794760-42-1 Enquire
6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline-3-carbohydrazid... Impurity CS-M-25080 1008052-15-0 Enquire
6,7-Dimethoxy-1,2,3,4-tetrahydro-isoquinoline-3-carboxylic a... Impurity CS-M-09678 76824-86-7 Enquire
6,7-dimethoxyisoquinoline-4-carbonitrile Impurity CS-O-42196 18029-62-4 Enquire
6-Amino-7-fluoro-3,4-dihydro-2(1H)-Isoquinolinecarboxylic Ac... Impurity CS-T-47829 912846-68-5 Enquire
6'-bromo-3',4'-dihydro-2'H-spiro[cyclobutane-1,1'-isoquinoli... Impurity CS-EM-01448 1823932-58-6 Enquire
6-Chloro-2-(4-pyridinylmethyl)-1H-benz[de]isoquinoline-1,3(2... Impurity CS-T-71635 353262-80-3 Enquire
6-Methoxy-5-nitroisoquinoline Impurity CS-T-32620 72677-92-0 Enquire
6-Methyl-1,2,3,4-tetrahydroisoquinoline Impurity CS-T-35143 42923-76-2 Enquire
7-​methoxy-​4-​(4-​methoxy-​benzyl)​-​isoquinoline Impurity CS-O-42193 101733-93-1 Enquire
7-(Trifluoromethyl)-1,2,3,4-tetrahydroisoquinoline-5-carboni... Impurity CS-M-53250 1187830-66-5 Enquire
7'-bromo-2',3'-dihydro-1'H-spiro[cyclobutane-1,4'-isoquinoli... Impurity CS-EM-01440 1314792-82-9 Enquire
7'-bromo-3',4'-dihydro-2'H-spiro[cyclobutane-1,1'-isoquinoli... Impurity CS-EM-01520 1823332-30-4 Enquire
7-Chloro-3-isoquinolinecarboxylic Acid Hydrochloride Impurity CS-T-11825 365998-39-6 Enquire
7-Methoxy-8-nitroisoquinoline Impurity CS-T-32621 63485-75-6 Enquire
8-Bromo-3-butyl-1-chloro-5,10-dihydroimidazo[1,5-b]isoquinol... Impurity CS-T-49639 1246820-05-2 Enquire
Boc - 7 - hydroxy - (S) - 1,2,3,4 - tetrahydroisoquinoline -... Impurity CS-M-29722 142335-42-0 Enquire
Boc amino isoquinoline impurity Impurity CS-O-37706 1253955-19-9 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
(R)-1-Phenyl-1,2,3,4-tetrahydroisoquinoline Intermediate CS-T-39737 180272-45-1 In Stock
(S)-1,2,3,4-Tetrahydro-1-phenylisoquinoline D-(-)-tartrate Intermediate CS-O-31742 869884-00-4 In Stock
1,2,3,4-Tetrahydroisoquinoline Intermediate CS-T-86916 91-21-4 In Stock
3-phenylisoquinoline-1-carboxylic acid Intermediate CS-O-55444 92566-89-7 Enquire
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
6,7-Dimethoxy-3,4-Dihydroisoquinoline Intermediate CS-EL-00945 3382-18-1 In Stock
6-Aminoisoquinoline Intermediate CS-M-52909 23687-26-5 In Stock
6-Isopropylisoquinoline Intermediate CS-O-47532 790304-84-6 Enquire
7-bromo-2-(tert-butoxycarbonyl)-5-chloro-1,2,3,4-tetrahydroi... Intermediate CS-O-49951 2832100-74-8 Enquire
Ethyl (S)-1-Phenyl-1,2,3,4-tetrahydroisoquinoline-2-carboxyl... Intermediate CS-T-22083 180468-42-2 In Stock


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
6,7-Dimethoxyisoquinoline Fine Chemicals CS-AC-10942 15248-39-2 In Stock
8-Bromo-5-methoxy-1,2,3,4-tetrahydroisoquinoline Fine Chemicals CS-O-49980 392660-50-3 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
(1R,4R)-(R)-quinuclidin-3-yl 4-hydroxy-1-phenyl-3,4-dihydroi... Fine Chemicals CS-O-40450 Not Available Enquire
(R)-(+)-1-(2-Diphenylphosphino-1-naphthyl)isoquinoline Fine Chemicals CS-BX-01050 149341-34-4 Enquire
(RS)-1-(2-Diphenylphosphino-1-naphthyl)isoquinoline Fine Chemicals CS-BX-01049 149245-03-4 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
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
4-Fluoro-5-{[(2R)-2-methyl-1,4-diazepan-1-yl]sulfonyl}isoqui... Fine Chemicals CS-O-37142 Not Available Enquire
4-Iodoisoquinoline Fine Chemicals CS-M-55184 55270-33-2 Enquire
5-Bromo-4-fluoroisoquinoline Fine Chemicals CS-ED-02043 1841081-73-9 Enquire
6-bromo-8-methoxy-3,4-dihydro-2H-isoquinolin-1-one Fine Chemicals CS-O-37385 2340392-80-3 Enquire
6-Bromoisoquinoline Fine Chemicals CS-M-52914 34784-05-9 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-Bromoisoquinoline Fine Chemicals CS-M-52879 63927-22-0 Enquire
Isoquinoline-5-sulfonic Acid Fine Chemicals CS-T-56909 27655-40-9 Enquire
methyl 1-(acetoxymethyl)-4-hydroxy-6-phenoxyisoquinoline-3-c... Fine Chemicals CS-O-37251 1959587-35-9 Enquire
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


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
N-nitroso 1-( 4-methoxy benzyl) 1,2,3,4,5,6,7,8 octahydro is... Nitrosamine CS-O-39924 1801431-26-4 Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1,2,3,4-Tetrahydro-4,6-dihydroxy-2-methylisoquinoline hydroc... Secondary Standards CS-SS-25057-100MG 57196-61-9 Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-(Phenyl-d5)-1,2,3,4-Tetrahydroisoquinoline Stable Isotope Reagent CS-O-48769 1329651-75-3 In Stock
3,4-Dihydro-6,7-di(methoxy-d3)-Isoquinoline Hydrochloride Stable Isotope Reagent CS-EO-03896 1783808-87-6 Enquire
Ethyl 1-Phenyl-d5-3,4-Dihydroisoquinoline-2(1H)-Carboxylate Stable Isotope Reagent CS-O-48873 180272-31-5(Unlabelled) In Stock
Isoquinoline-d7 Stable Isotope Reagent CS-C-00815 17157-12-9 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
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
(R)-Fmoc-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid Building Blocks CS-T-75506 204317-98-6 Enquire
(S)-N-Boc-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid Building Blocks CS-M-29654 78879-20-6 Enquire
1-Chloroisoquinoline-7-boronic acid Building Blocks CS-T-73036 370864-49-6 Enquire
2-Boc-6-bromo-3,4-dihydro-1H-isoquinoline Building Blocks CS-MM-28316 893566-74-0 Enquire
3-Fluoroisoquinoline-6-boronic Acid Building Blocks CS-T-74609 1105710-34-6 Enquire
4-Bromoisoquinoline-1-carboxylic Acid Building Blocks CS-TA-64851 1179149-25-7 Enquire
Fmoc-(3S)-1,2,3,4-tetrahydroisoquinoline-3-acetic acid Building Blocks CS-T-75682 270062-99-2 Enquire
Fmoc-7-hydroxy-(r)-1,2,3,4-tetrahydroisoquinoline-3-carboxyl... Building Blocks CS-T-77947 178432-50-3 Enquire
Fmoc-7-hydroxy-(s)-1,2,3,4-tetrahydroisoquinoline-3-carboxyl... Building Blocks CS-T-77108 178432-49-0 Enquire
Isoquinoline-4-boronic acid Building Blocks CS-M-05121 192182-56-2 Enquire
Isoquinoline-7-boronic acid Building Blocks CS-M-53341 1092790-21-0 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


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