![1-[(Chloromethoxy)methoxy]-2-methoxyethane chemical structure](/media/structures/UVCUTACRFCJVPW-UHFFFAOYSA-N.svg)
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
![1-[[(2E)-3-Phenyl-2-propen-1-yl]oxy]naphthalene chemical structure](/media/structures/RWOXMTBYRROZDF-JXMROGBWSA-N.svg)
![1-[[2-[(2-Aminophenyl)amino]-5-methyl-3-thienyl]carbonyl]-4-methyl-piperazine chemical structure](/media/structures/NVVVXCDSGMPBCB-UHFFFAOYSA-N.svg)
1-[[2-[(2-Aminophenyl)amino]-5-methyl-3-thienyl]carbonyl]-4-methyl-piperazine
- CAS
- 138564-61-1
- Formula
- C17H22N4OS
- MW
- 330.4 g/mol
VQ-023320
![1-[2-(Dimethylamino)ethyl]-6,6a,7,11-tetrahydrooxazolo[3,4-b]pyrrolo[2,3-h]isoquinolin-9(3H)-one chemical structure](/media/structures/YDKNKTBZEYUPQS-UHFFFAOYSA-N.svg)
1-[2-(Dimethylamino)ethyl]-6,6a,7,11-tetrahydrooxazolo[3,4-b]pyrrolo[2,3-h]isoquinolin-9(3H)-one
- CAS
- 1346599-24-3
- Formula
- C17H21N3O2
- MW
- 299.37 g/mol
VQ-034753
![1-[2-(Ethylthio)ethyl]-2-methyl-5-nitro-1H-imidazole chemical structure](/media/structures/MFRJPLQSIRTHSZ-UHFFFAOYSA-N.svg)
1-[2-(Ethylthio)ethyl]-2-methyl-5-nitro-1H-imidazole
- CAS
- 28795-33-7
- Formula
- C8H13N3O2S
- MW
- 215.28 g/mol
VQ-028398
![1-[3-(Benzoyloxy)propyl]-2,3-dihydro-5-[(2R)-2-[[2-[2-(2,2,2-trifluoroethoxy)phenoxy]ethyl]amino]propyl]-1H-indole-7-carbonitrile chemical structure](/media/structures/HUKYYZXALLLJJL-HSZRJFAPSA-N.svg)
1-[3-(Benzoyloxy)propyl]-2,3-dihydro-5-[(2R)-2-[[2-[2-(2,2,2-trifluoroethoxy)phenoxy]ethyl]amino]propyl]-1H-indole-7-carbonitrile
- CAS
- 885340-11-4
- Formula
- C32H34F3N3O4
- MW
- 581.6 g/mol
VQ-033847
![1-[3-[(E)-2-(7-Chloroquinolin-2-yl)ethenyl]phenyl]prop-2-en-1-ol chemical structure](/media/structures/PITUINHIXKJYJX-UXBLZVDNSA-N.svg)
1-[3-[(E)-2-(7-Chloroquinolin-2-yl)ethenyl]phenyl]prop-2-en-1-ol
- CAS
- 149968-10-5
- Formula
- C20H16ClNO
- MW
- 321.8 g/mol
VQ-038486
![1-[3-Fluoro-4-(methylcarbamoyl)anilino]cyclobutane-1-carboxylic Acid Triethylamine](/media/pack/1-3-fluoro-4-methylcarbamoylanilinocyclobutane-1-carboxylic-acid-triethylamine.svg?v=3)
1-[3-Fluoro-4-(methylcarbamoyl)anilino]cyclobutane-1-carboxylic Acid Triethylamine
- CAS
- 2408380-70-9
- Formula
- C19H30FN3O3
- MW
- 367.47 g/mol
VQ-035752
![1-[4-(Benzoylamino)-2-methylbenzoyl]-7-chloro-1,2,3,4-tetrahydrobenzo[b]azepin-5-ol chemical structure](/media/structures/LUMJRUXPFNZXRB-UHFFFAOYSA-N.svg)
1-[4-(Benzoylamino)-2-methylbenzoyl]-7-chloro-1,2,3,4-tetrahydrobenzo[b]azepin-5-ol
- CAS
- 1580889-33-3
- Formula
- C25H23ClN2O3
- MW
- 434.9 g/mol
VQ-023916
![1-[4-(Benzyloxy)-3-bromophenyl]-2-bromopropan-1-one](/media/pack/1-4-benzyloxy-3-bromophenyl-2-bromopropan-1-one.svg?v=3)
1-[4-(Benzyloxy)-3-bromophenyl]-2-bromopropan-1-one
- CAS
- 2512198-68-2
- Formula
- C16H14Br2O2
- MW
- 398.09 g/mol
VQ-028897
![1-[4-(Methylsulfinyl)phenyl]ethanone chemical structure](/media/structures/NTUFNCGULZBNCK-UHFFFAOYSA-N.svg)
![1-[4-Cyano-3-(trifluoromethyl)phenyl]thiourea chemical structure](/media/structures/VKBSKGPCZYDIHH-UHFFFAOYSA-N.svg)
![1-[β-(5-Nitro-2-furyl)pentadienamino]hydantoin RS](/media/pack/1-beta-5-nitro-2-furylpentadienaminohydantoin-rs.svg?v=3)
1-[β-(5-Nitro-2-furyl)pentadienamino]hydantoin RS
- CAS
- 3456-04-0
- Formula
- C12H10N4O5
- MW
- 290.23 g/mol
VQ-026935
![1-Acetyl-4-[4-[[(2RS,4SR)-2-(2,4-dichlorophenyl)-2-(bromomethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]piperazine](/media/pack/1-acetyl-4-4-2rs4sr-2-24-dichlorophenyl-2-bromomethyl-13-dioxolan-4.svg?v=3)
1-Acetyl-4-[4-[[(2RS,4SR)-2-(2,4-dichlorophenyl)-2-(bromomethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]piperazine
- CAS
- 98405-42-6
- Formula
- C23H25BrCl2N2O4
- MW
- 544.27 g/mol
VQ-037803
![1-Allyl-1,3-dihydro-2H-benzo[d]imidazol-2-one chemical structure](/media/structures/IBUITUADTJVMAY-UHFFFAOYSA-N.svg)
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