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
(E)-2-(7-Methoxy-3,4-dihydronaphthalen-1(2H)-ylidene)acetic acid
- CAS
- 63319-95-9
- Formula
- C13H14O3
- MW
- 218.25 g/mol
VQ-035129
![(E)-2-(Dibenzo[b,e]oxepin-11(6H)-ylidene)acetaldehyde chemical structure](/media/structures/GUWIOJGGEMLEBT-NTEUORMPSA-N.svg)
(E)-2-(Dibenzo[b,e]oxepin-11(6H)-ylidene)acetaldehyde
- CAS
- 83473-99-8
- Formula
- C16H12O2
- MW
- 236.26 g/mol
VQ-036813
(E)-2-Cyano-3-(3,4-dihydroxyphenyl)-N,N-diethylacrylamide
- CAS
- 1217439-96-7
- Formula
- C14H16N2O3
- MW
- 260.29 g/mol
VQ-037003
(E)-2-Methoxyimino-2-Furanacetic Acid Ammonium Salt
- CAS
- 97148-40-8
- Formula
- C7H10N2O4
- MW
- 186.17 g/mol
VQ-034973
(E)-2,2,14,14-Tetramethylpentadec-7-enedioic acid
- CAS
- 2127387-94-2
- Formula
- C19H34O4
- MW
- 326.5 g/mol
VQ-024519
(E)-3-(1-Ethyl-3-(4-fluorophenyl)-1H-indol-2-yl)acrylaldehyde
- CAS
- 93937-37-2
- Formula
- C19H16FNO
- MW
- 293.3 g/mol
VQ-037387
![(E)-3-(2-(((4-(N'-((Hexyloxy)carbonyl)carbamimidoyl)phenyl)amino)methyl)-1-methyl-N-(pyridin-2-yl)-1H-benzo[d]imidazole-5-carboxamido)propanoic acid chemical structure](/media/structures/UGEWTLXHMYKLCO-UHFFFAOYSA-N.svg)
(E)-3-(2-(((4-(N'-((Hexyloxy)carbonyl)carbamimidoyl)phenyl)amino)methyl)-1-methyl-N-(pyridin-2-yl)-1H-benzo[d]imidazole-5-carboxamido)propanoic acid
- CAS
- 1415506-19-2
- Formula
- C32H37N7O5
- MW
- 599.7 g/mol
VQ-036497
(E)-3-(2-(Pyridin-2-yl)vinyl)-1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-6-amine
- CAS
- 886230-76-8
- Formula
- C19H20N4O
- MW
- 320.4 g/mol
VQ-035874
(E)-3-(2-Butyl-1H-imidazol-5-yl)-2-(thiophen-2-yl-methyl)acrylic Acid
- CAS
- 1169702-90-2
- Formula
- C15H18N2O2S
- MW
- 290.4 g/mol
VQ-043155
![(E)-3-(3,4-Difluorophenyl)-1-((3aS,6R,7aR)-8,8-dimethyl-2,2-dioxidohexahydro-1H-3a,6-methanobenzo[c]isothiazol-1-yl)prop-2-en-1-one chemical structure](/media/structures/RSZFNQMNZSXXIE-NALRDDBRSA-N.svg)
(E)-3-(3,4-Difluorophenyl)-1-((3aS,6R,7aR)-8,8-dimethyl-2,2-dioxidohexahydro-1H-3a,6-methanobenzo[c]isothiazol-1-yl)prop-2-en-1-one
- CAS
- 220352-29-4
- Formula
- C19H21F2NO3S
- MW
- 381.4 g/mol
VQ-034239
(E)-3-(4-((2-Chloropyrimidin-4-yl)amino)-3,5-dimethylphenyl)acrylonitrile
- CAS
- 1538550-43-4
- Formula
- C15H13ClN4
- MW
- 284.74 g/mol
VQ-033543
(E)-3-(4-Amino-3,5-dimethylphenyl)acrylonitrile Hydrochloride
- CAS
- 661489-23-2
- Formula
- C11H13ClN2
- MW
- 208.69 g/mol
VQ-027818
(E)-3-(Dimethylamino)-1-(pyridin-2-yl)prop-2-en-1-one
- CAS
- 123367-25-9
- Formula
- C10H12N2O
- MW
- 176.21 g/mol
VQ-038642
(E)-3-Chloro-N-methyl-N-(naphthalen-1-ylmethyl)prop-2-en-1-amine
- CAS
- 134865-58-0
- Formula
- C15H16ClN
- MW
- 245.74 g/mol
VQ-044965
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