Impurities & Reference Standards
API Impurities
Source 1942 api impurities for research, QC and production, documented with COA and SDS.
14,098products
1,516in stock
COA + SDSwith every lot
![7-Bromobenzo[b]thiophene chemical structure](/media/structures/NOICDPBEDNMHQK-UHFFFAOYSA-N.svg)
![7-Chloro-1-(2-methyl-4-(2-methylbenzamido)benzoyl)-2,3-dihydro-1H-benzo[b]azepin-5-yl 2-methyl-4-(2-methylbenzamido)benzoate chemical structure](/media/structures/IYRJYSVCAMDVEL-UHFFFAOYSA-N.svg)
7-Chloro-1-(2-methyl-4-(2-methylbenzamido)benzoyl)-2,3-dihydro-1H-benzo[b]azepin-5-yl 2-methyl-4-(2-methylbenzamido)benzoate
- CAS
- 1580889-36-6
- Formula
- C42H36ClN3O5
- MW
- 698.2 g/mol
VQ-042607
7-Chloro-1-cyclopropyl-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid
- CAS
- 93110-13-5
- Formula
- C13H10ClNO3
- MW
- 263.67 g/mol
VQ-035066
![7-Chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic Acid chemical structure](/media/structures/OXNZWNNMJBOZQO-UHFFFAOYSA-N.svg)
7-Chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic Acid
- CAS
- 100361-18-0
- Formula
- C12H8ClFN2O3
- MW
- 282.65 g/mol
VQ-030977
7-Chloro-1-methyl-2,3,4,5-tetrahydro-1H-3-benzazepine
- CAS
- 616201-89-9
- Formula
- C11H14ClN
- MW
- 195.69 g/mol
VQ-043215
![7-Chloro-1-tosyl-1,2,3,4-tetrahydro-5H-benzo[b]azepin-5-one chemical structure](/media/structures/UMJJRQXJGYESBD-UHFFFAOYSA-N.svg)
7-Chloro-1-tosyl-1,2,3,4-tetrahydro-5H-benzo[b]azepin-5-one
- CAS
- 193686-76-9
- Formula
- C17H16ClNO3S
- MW
- 349.8 g/mol
VQ-034347
7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepin-5-one
- CAS
- 137982-91-3
- Formula
- C18H15ClN2O4
- MW
- 358.8 g/mol
VQ-034339
![7-Chloro-1,2,3,4-tetrahydro-5H-benzo[b]azepin-5-one chemical structure](/media/structures/AHESNFIUAHTYGS-UHFFFAOYSA-N.svg)
7-Chloro-1,2,3,4-tetrahydro-5H-benzo[b]azepin-5-one
- CAS
- 160129-45-3
- Formula
- C10H10ClNO
- MW
- 195.64 g/mol
VQ-028453
7-Chloro-2-(2,3-dimethylbut-3-enamido)hept-2-enoic Acid
- CAS
- 2519489-73-5
- Formula
- C13H20ClNO3
- MW
- 273.75 g/mol
VQ-029789
![7-Chloro-2-(3-(4-(3-chlorophenyl)piperazin-1-yl)propyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one](/media/pack/7-chloro-2-3-4-3-chlorophenylpiperazin-1-ylpropyl-124triazolo43-apyridin-32h-one.svg?v=3)
7-Chloro-2-(3-(4-(3-chlorophenyl)piperazin-1-yl)propyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one
- CAS
- 2514735-38-5
- Formula
- C19H21Cl2N5O
- MW
- 406.3 g/mol
VQ-043592
![7-Chloro-2-methoxybenzo[b][1,5]naphthyridin-10(5H)-one](/media/pack/7-chloro-2-methoxybenzob15naphthyridin-105h-one.svg?v=3)
7-Chloro-2-methoxybenzo[b][1,5]naphthyridin-10(5H)-one
- CAS
- 856971-15-8
- Formula
- C13H9ClN2O2
- MW
- 260.7 g/mol
VQ-041775
![7-Chloro-2,3-dihydro-1H-benzo[b]azepine chemical structure](/media/structures/FSKMHCDLPSXAEH-UHFFFAOYSA-N.svg)
![7-Chloro-2,3,4,5-tetrahydro-1H-benzo[b]azepin-5-ol chemical structure](/media/structures/LRWLHLZOYPURQQ-UHFFFAOYSA-N.svg)
7-Chloro-2,3,4,5-tetrahydro-1H-benzo[b]azepin-5-ol
- CAS
- 1310357-40-4
- Formula
- C10H12ClNO
- MW
- 197.66 g/mol
VQ-023917
7-Chloro-3,4-dihydro-2H-1,2,4-benzothiadiazine-1,1-dioxide
- CAS
- 22503-74-8
- Formula
- C7H7ClN2O2S
- MW
- 218.66 g/mol
VQ-031081
7-Chloro-4-(4-(3-((7-chloroquinolin-4-yl)oxy)propyl)piperazin-1-yl)quinoline
- CAS
- 1233345-93-1
- Formula
- C25H24Cl2N4O
- MW
- 467.4 g/mol
VQ-027517
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