Product division
Impurities & Reference Standards
Pharmacopoeial and non-pharmacopoeial impurities, metabolites, nitrosamines and working standards with characterisation data for QC and regulatory work.
27,990products
6sub-categories
2,746in stock
COA + SDSwith every lot
API Impurities 14,098Pharmacopeial Impurities (EP / USP / BP) 4,399Nitrosamine Impurities 631Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,504Metabolites & Degradation Products 3,922API Reference Standards 3,436
(Z)-N-(4-((4-(Piperidin-1-ylmethyl)pyridin-2-yl)oxy)but-2-en-1-yl)acetamide
- CAS
- 154923-16-7
- Formula
- C17H25N3O2
- MW
- 303.4 g/mol
VQ-037864
(Z)-N-Benzyl-1-((4S,5R)-2,2-dimethyl-5-vinyl-1,3-dioxolan-4-yl)methanimine oxide
- CAS
- 345898-95-5
- Formula
- C15H19NO3
- MW
- 261.3 g/mol
VQ-044705
(Z)-N,N-Dimethyl-9-(3-(4-methylpiperazin-1-yl)propylidene)-9H-thioxanthene-2-sulfonamide 10-oxide
- CAS
- 47681-53-8
- Formula
- C23H29N3O3S2
- MW
- 459.6 g/mol
VQ-043875
![(αR,2R)-3,4-Dihydro-5-[(4-nitrophenyl)methyl]-α-phenyl-2H-pyrrole-2-methanol chemical structure](/media/structures/MSZCNMLZUMALEC-QZTJIDSGSA-N.svg)
(αR,2R)-3,4-Dihydro-5-[(4-nitrophenyl)methyl]-α-phenyl-2H-pyrrole-2-methanol
- CAS
- 1628836-09-8
- Formula
- C18H18N2O3
- MW
- 310.3 g/mol
VQ-023998
![(αR,γR)-γ-[[(1,1-Dimethylethoxy)carbonyl]amino]-α-methyl-[1,1'-biphenyl]-4-pentanoic Acid chemical structure](/media/structures/YNELJETWNMPEEH-OXQOHEQNSA-N.svg)
(αR,γR)-γ-[[(1,1-Dimethylethoxy)carbonyl]amino]-α-methyl-[1,1'-biphenyl]-4-pentanoic Acid
- CAS
- 1012341-56-8
- Formula
- C23H29NO4
- MW
- 383.5 g/mol
VQ-027957
![(αR)-3-Amino-4-hydroxy-α-[[[(1R)-2-(4-methoxyphenyl)-1-methylethyl]amino]methyl]benzenemethanol chemical structure](/media/structures/AMISPUNGCBUARA-XIKOKIGWSA-N.svg)
(αR)-3-Amino-4-hydroxy-α-[[[(1R)-2-(4-methoxyphenyl)-1-methylethyl]amino]methyl]benzenemethanol
- CAS
- 245759-62-0
- Formula
- C18H24N2O3
- MW
- 316.4 g/mol
VQ-034841
![(αR)-N-[3-[3-(Difluoromethyl)phenyl]propyl]-α-methyl-1-naphthalenemethanamine chemical structure](/media/structures/SVXVVNVAXVGJCF-MRXNPFEDSA-N.svg)
(αR)-N-[3-[3-(Difluoromethyl)phenyl]propyl]-α-methyl-1-naphthalenemethanamine
- CAS
- 1025064-41-8
- Formula
- C22H23F2N
- MW
- 339.4 g/mol
VQ-029808
![(αR)-α-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]-4-hydroxy-benzeneacetic Acid chemical structure](/media/structures/IPARGUVYMOMVNU-LLVKDONJSA-N.svg)
(αR)-α-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]-4-hydroxy-benzeneacetic Acid
- CAS
- 62893-24-7
- Formula
- C15H17N3O6
- MW
- 335.31 g/mol
VQ-022088
![(αR)-α-Methyl-N-[[3-(trifluoromethyl)phenyl]methyl]-1-naphthalenemethanamine Hydrochloride chemical structure](/media/structures/ZNJSHPLNLWRJKG-PFEQFJNWSA-N.svg)
(αR)-α-Methyl-N-[[3-(trifluoromethyl)phenyl]methyl]-1-naphthalenemethanamine Hydrochloride
- CAS
- 1229225-42-6
- Formula
- C20H19ClF3N
- MW
- 365.8 g/mol
VQ-029796
![(βR)-β-Hydroxy-3-(phenylmethoxy)-N-[(phenylmethoxy)carbonyl]-O-(phenylmethyl)-L-tyrosine chemical structure](/media/structures/UZSWWARXWANMBV-URLMMPGGSA-N.svg)
(βR)-β-Hydroxy-3-(phenylmethoxy)-N-[(phenylmethoxy)carbonyl]-O-(phenylmethyl)-L-tyrosine
- CAS
- 55382-14-4
- Formula
- C31H29NO7
- MW
- 527.6 g/mol
VQ-022464
![[(1R)-2-(Biphenyl-4-yl)-1-formylethyl]carbamic acid tert-butyl ester chemical structure](/media/structures/OWIZSBUSCSIZSA-GOSISDBHSA-N.svg)
[(1R)-2-(Biphenyl-4-yl)-1-formylethyl]carbamic acid tert-butyl ester
- CAS
- 149709-58-0
- Formula
- C20H23NO3
- MW
- 325.4 g/mol
VQ-027958
![[(1S,2R)-1-Benzyl-2-hydroxy-3-[isobutyl-[(4-aminophenyl)sulfonyl]amino] propyl]carbamic Acid tert-Butyl Ester chemical structure](/media/structures/GSFKNEPGHWUCQO-XZOQPEGZSA-N.svg)
[(1S,2R)-1-Benzyl-2-hydroxy-3-[isobutyl-[(4-aminophenyl)sulfonyl]amino] propyl]carbamic Acid tert-Butyl Ester
- CAS
- 183004-94-6
- Formula
- C25H37N3O5S
- MW
- 491.6 g/mol
VQ-036573
![[(1S,2R)-1-Benzyl-2-hydroxy-3-[isobutyl[(4-nitro-phenyl)sulfonyl)]amino]propyl]-carbamic Acid tert-Butyl Ester chemical structure](/media/structures/CQGKCZKCWMWXQP-XZOQPEGZSA-N.svg)
[(1S,2R)-1-Benzyl-2-hydroxy-3-[isobutyl[(4-nitro-phenyl)sulfonyl)]amino]propyl]-carbamic Acid tert-Butyl Ester
- CAS
- 191226-98-9
- Formula
- C25H35N3O7S
- MW
- 521.6 g/mol
VQ-030079
amino]-2-hydroxy-1-(phenylmethyl)propyl]-Carbamic Acid Phenylmethyl Ester chemical structure](/media/structures/CLVKOWDYQHARFT-QBHOUYDASA-N.svg)
[(1S,2R)-3-[[(4-Aminophenyl)sulfonyl](2-methylpropyl)amino]-2-hydroxy-1-(phenylmethyl)propyl]-Carbamic Acid Phenylmethyl Ester
- CAS
- 159005-61-5
- Formula
- C28H35N3O5S
- MW
- 525.7 g/mol
VQ-030066
![[(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester chemical structure](/media/structures/DDMPMIMTLBGEHT-HZMBPMFUSA-N.svg)
[(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester
- CAS
- 247068-83-3
- Formula
- C14H25NO4
- MW
- 271.35 g/mol
VQ-032398
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