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
![5H-Pyrido[4,3-b]indole chemical structure](/media/structures/RDMFHRSPDKWERA-UHFFFAOYSA-N.svg)
![5H,6H,7H-Pyrrolo[2,3-d]pyrimidin-6-one chemical structure](/media/structures/NCIZQRMMYUHTDP-UHFFFAOYSA-N.svg)
6 Chloro 1 cyclopropyl 7 fluoro 4 oxo 1 4 dihydroquinoline 3 carboxylic acid
- CAS
- 160312-26-5
- Formula
- C13H9ClFNO3
- MW
- 281.66 g/mol
VQ-048216
6-((2-Aminoethyl)amino)-7-chloro-1-cyclopropyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
- CAS
- 528851-85-6
- Formula
- C15H16ClN3O3
- MW
- 321.76 g/mol
VQ-036339
6-((2-Iminopyrrolidin-1-yl)methyl)pyrimidine-2,4(1H,3H)-dione
- CAS
- 2069937-25-1
- Formula
- C9H12N4O2
- MW
- 208.22 g/mol
VQ-044942
![6-(1-Methyl-1H-pyrazol-4-yl)pyrrolo[2,1-f][1,2,4]triazin-4(1H)-one chemical structure](/media/structures/QFSHRGOBJDTBIF-UHFFFAOYSA-N.svg)
6-(1-Methyl-1H-pyrazol-4-yl)pyrrolo[2,1-f][1,2,4]triazin-4(1H)-one
- CAS
- 1703794-32-4
- Formula
- C10H9N5O
- MW
- 215.21 g/mol
VQ-035865
6-(2-((2,6-Dichlorobenzyl)oxy)ethoxy)hexan-1-amine
- CAS
- 1463889-71-5
- Formula
- C15H23Cl2NO2
- MW
- 320.3 g/mol
VQ-024007
6-(2-Aminoethylamino)-7-chloro-1- cyclopropyl-4-oxo-1,4-dihydroquinoline- 3-carboxylic Acid Hydrochloride
- CAS
- 528851-30-1
- Formula
- C15H17Cl2N3O3
- MW
- 358.2 g/mol
VQ-022198
6-(2-Bromo-3-chlorophenyl)-1,2,4-triazine-3,5-diamine
- CAS
- 2518309-57-2
- Formula
- C9H7BrClN5
- MW
- 300.54 g/mol
VQ-043579
![6-(2-Chloro-1H-pyrrol-1-yl)-2-(((4-methoxy-3-methylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole chemical structure](/media/structures/MZBIPBFZKSOJQO-UHFFFAOYSA-N.svg)
6-(2-Chloro-1H-pyrrol-1-yl)-2-(((4-methoxy-3-methylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole
- CAS
- 1360824-57-2
- Formula
- C19H17ClN4O2S
- MW
- 400.9 g/mol
VQ-037660
6-(2,5-Dichlorophenyl)-1,2,4-triazine-3,5-diamine
- CAS
- 77668-43-0
- Formula
- C9H7Cl2N5
- MW
- 256.09 g/mol
VQ-048783
6-(2,6-Dichloro-4-nitrophenoxy)-4-isopropylpyridazin-3(2H)-one
- CAS
- 2768216-97-1
- Formula
- C13H11Cl2N3O4
- MW
- 344.15 g/mol
VQ-041881
6-(3-Aminopiperidin-1-yl)-3-methylpyrimidine-2,4(1H,3H)-dione
- CAS
- 1338677-76-1
- Formula
- C10H16N4O2
- MW
- 224.26 g/mol
VQ-024209
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