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
3-((S)-1-Benzylpyrrolidin-3-yl) 5-methyl (R)-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
- CAS
- 104713-77-1
- Formula
- C27H29N3O6
- MW
- 491.5 g/mol
VQ-044792
3-((S)-1-Benzylpyrrolidin-3-yl) 5-methyl (R)-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate Hydrochloride
- CAS
- 104757-54-2
- Formula
- C27H29N3O6.HCl
- MW
- 528 g/mol
VQ-029356
![3-((Trimethylsilyl)ethynyl)imidazo[1,2-b]pyridazine chemical structure](/media/structures/AUMLXDLZHWMUCA-UHFFFAOYSA-N.svg)
3-((Trimethylsilyl)ethynyl)imidazo[1,2-b]pyridazine
- CAS
- 943320-60-3
- Formula
- C11H13N3Si
- MW
- 215.33 g/mol
VQ-041555
3-(1-((3,3-Diphenylpropyl)amino)-2-methylpropan-2-yl) 5-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
- CAS
- 320750-11-6
- Formula
- C35H39N3O6
- MW
- 597.7 g/mol
VQ-026407
3-(1-Benzylpiperidin-3-yl) 5-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
- CAS
- 91599-75-6
- Formula
- C28H31N3O6
- MW
- 505.6 g/mol
VQ-024534
3-(1-Ethyl-1H-1,2,4-triazol-3-yl)-2-methoxyaniline
- CAS
- 2948391-22-6
- Formula
- C11H14N4O
- MW
- 218.26 g/mol
VQ-030145
3-(1,3-Dicyclohexylureido)-3-oxopropanoic Acid
- CAS
- 2883118-63-4
- Formula
- C16H26N2O4
- MW
- 310.39 g/mol
VQ-030037
3-(1,3-Dihydro-1-oxo-2H-isoindol-2-yl)-2,6-piperidinedione
- CAS
- 26581-81-7
- Formula
- C13H12N2O3
- MW
- 244.25 g/mol
VQ-028320
3-(1,3,3-Trimethyl-1,2,3,6-tetrahydropyridin-4-yl)phenol
- CAS
- 2250243-53-7
- Formula
- C14H19NO
- MW
- 217.31 g/mol
VQ-035253
3-(1,3,3-Trimethylureido)phenyl dimethylcarbamate
- CAS
- 2434689-89-9
- Formula
- C13H19N3O3
- MW
- 265.31 g/mol
VQ-032102
3-(1H-Imidazol-1-yl)-5-(trifluoromethyl)aniline
- CAS
- 943320-48-7
- Formula
- C10H8F3N3
- MW
- 227.19 g/mol
VQ-023258
3-(2-(3,4-Dimethoxybenzoyl)-4,5-dimethoxyphenyl)pentan-2-one
- CAS
- 15462-91-6
- Formula
- C22H26O6
- MW
- 386.4 g/mol
VQ-034315
3-(2-Amino-2-oxo-1,1-diphenylethyl)-1-(2-(2,3-dihydrobenzofuran-5-yl)ethyl)pyrrolidine 1-oxide
- CAS
- 2416229-88-2
- Formula
- C28H30N2O3
- MW
- 442.5 g/mol
VQ-047951
![3-(2-Bromoacetyl)-10,11-dihydro-5H-dibenzo[c,g]chromen-8(9H)-one chemical structure](/media/structures/NEADWTKOYDYIHL-UHFFFAOYSA-N.svg)
3-(2-Bromoacetyl)-10,11-dihydro-5H-dibenzo[c,g]chromen-8(9H)-one
- CAS
- 1378390-29-4
- Formula
- C19H15BrO3
- MW
- 371.2 g/mol
VQ-034561
3-(2-Bromoacetyl)-5-chlorothiophene-2-sulfonamide
- CAS
- 160982-11-6
- Formula
- C6H5BrClNO3S2
- MW
- 318.6 g/mol
VQ-047623
3-(2-Chloro-4-(cyclopentylamino)pyrimidin-5-yl)but-2-enoic acid
- CAS
- 2242625-36-9
- Formula
- C13H16ClN3O2
- MW
- 281.74 g/mol
VQ-041310
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