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
(S)-2-Chloro-1-(2,4-dichlorophenyl)ethyl methanesulfonate
- CAS
- 229334-55-8
- Formula
- C9H9Cl3O3S
- MW
- 303.6 g/mol
VQ-048975
![(S)-2-Ethoxy-4-[2-[[2-phenyl-1-[2-(1-piperidinyl)phenyl]ethyl]amino]-2-oxoethyl]benzoic Acid chemical structure](/media/structures/MHMMEOVDUOZDJA-SANMLTNESA-N.svg)
(S)-2-Ethoxy-4-[2-[[2-phenyl-1-[2-(1-piperidinyl)phenyl]ethyl]amino]-2-oxoethyl]benzoic Acid
- CAS
- 1803084-79-8
- Formula
- C30H34N2O4
- MW
- 486.6 g/mol
VQ-035116
(S)-2-Hydroxy-3-methoxy-3,3-diphenylpropanoic acid
- CAS
- 178306-52-0
- Formula
- C16H16O4
- MW
- 272.29 g/mol
VQ-020780
(S)-2-Methyl-1-nitrosopyrrolidine-2-carboxylic Acid
- CAS
- 76530-17-1
- Formula
- C6H10N2O3
- MW
- 158.16 g/mol
VQ-047943
![(S)-2-Methyl-6-nitro-2-((4-(4-(4-(trifluoromethoxy)phenoxy)piperidin-1-yl)phenoxy)methyl)-2,3-dihydroimidazo[2,1-b]oxazole chemical structure](/media/structures/XDAOLTSRNUSPPH-DEOSSOPVSA-N.svg)
(S)-2-Methyl-6-nitro-2-((4-(4-(4-(trifluoromethoxy)phenoxy)piperidin-1-yl)phenoxy)methyl)-2,3-dihydroimidazo[2,1-b]oxazole
- CAS
- 681505-01-1
- Formula
- C25H25F3N4O6
- MW
- 534.5 g/mol
VQ-030113
![(S)-2-Nitro-6-((2-(trifluoromethoxy)benzyl)oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine chemical structure](/media/structures/BCLVTOZEADQGQX-JTQLQIEISA-N.svg)
(S)-2-Nitro-6-((2-(trifluoromethoxy)benzyl)oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine
- CAS
- 1353753-55-5
- Formula
- C14H12F3N3O5
- MW
- 359.26 g/mol
VQ-023549
![(S)-2-Nitro-6-((3-(trifluoromethoxy)benzyl)oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine chemical structure](/media/structures/OOPIHEXKZKNPRB-NSHDSACASA-N.svg)
(S)-2-Nitro-6-((3-(trifluoromethoxy)benzyl)oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine
- CAS
- 1353753-57-7
- Formula
- C14H12F3N3O5
- MW
- 359.26 g/mol
VQ-021321
(S)-2-Phenyl-2-tert-butoxycarbonylaminoethyl methanesulfonate
- CAS
- 110143-62-9
- Formula
- C14H21NO5S
- MW
- 315.39 g/mol
VQ-030416
(S)-2,2-Dimethyl-1,3-dioxolane-4-methanol p-toluenesulfonate
- CAS
- 23735-43-5
- Formula
- C13H18O5S
- MW
- 286.35 g/mol
VQ-040355
(S)-2,2-Diphenyl-2-(pyrrolidin-3-yl)acetonitrile hydrobromide
- CAS
- 194602-27-2
- Formula
- C18H19BrN2
- MW
- 343.3 g/mol
VQ-036556
(S)-2,2'-((1-(3,5-Dioxopiperazin-1-yl)propan-2-yl)azanediyl)diacetic Acid
- CAS
- 144236-91-9
- Formula
- C11H17N3O6
- MW
- 287.27 g/mol
VQ-035372
(S)-2,2'-((2-(3,5-Dioxopiperazin-1-yl)propyl)azanediyl)diacetic Acid
- CAS
- 1078122-47-0
- Formula
- C11H17N3O6
- MW
- 287.27 g/mol
VQ-035371
(S)-2,2'-(Propane-1,2-diylbis((2-amino-2-oxoethyl)azanediyl))diacetic Acid
- CAS
- 75459-34-6
- Formula
- C11H20N4O6
- MW
- 304.3 g/mol
VQ-022354
![(S)-2'-Oxo-1',2',5,7-tetrahydrospiro[cyclopenta[b]pyridine-6,3'-pyrrolo[2,3-b]pyridine]-3-carboxylic Acid chemical structure](/media/structures/JZRARRAPRCNVSS-HNNXBMFYSA-N.svg)
(S)-2'-Oxo-1',2',5,7-tetrahydrospiro[cyclopenta[b]pyridine-6,3'-pyrrolo[2,3-b]pyridine]-3-carboxylic Acid
- CAS
- 1375541-21-1
- Formula
- C15H11N3O3
- MW
- 281.27 g/mol
VQ-028574
![(S)-3-(((S)-1-Phenylethyl)amino)-1,3,4,5-tetrahydro-2H-benzo[b]azepin-2-one chemical structure](/media/structures/JGHYNVSYTNERGK-GUYCJALGSA-N.svg)
(S)-3-(((S)-1-Phenylethyl)amino)-1,3,4,5-tetrahydro-2H-benzo[b]azepin-2-one
- CAS
- 197658-50-7
- Formula
- C18H20N2O
- MW
- 280.4 g/mol
VQ-045099
(S)-3-((2R,5S)-2-((S)-(4-(Benzyloxy)phenyl)((4-fluorophenyl)amino)methyl)-5-(4-fluorophenyl)-5-hydroxypentanoyl)-4-phenyloxazolidin-2-one
- CAS
- 1185883-39-9
- Formula
- C40H36F2N2O5
- MW
- 662.7 g/mol
VQ-045098
(S)-3-((R)-5-(4-Fluorophenyl)-5-hydroxypentanoyl)-4-phenyloxazolidin-2-one
- CAS
- 528565-93-7
- Formula
- C20H20FNO4
- MW
- 357.4 g/mol
VQ-037175
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