Pharmaceutical analytical standards

APIs, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

Results 2,071-2,080 of 5,812

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Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-R071-007
CAS: 1010809-61-6
Formula: C₂₉H₃₄N₄O₅S
Family: Ritonavir
Synonyms: Des(isopropylthiazolyl) Hydantoin Ritonavir, Thiazol-5-ylmethyl ((2S,3S,5S)-3-hydroxy-5-((S)-4-isopropyl-2,5-dioxoimidazolidin-1-yl)-1,6-diphenylhexan-2-yl)carbamate

Pharmacopoeial impurityLevels of characterisation

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-R071-009
CAS: 1010809-43-4
Formula: C₃₀H₃₂N₄O₆S
Family: Ritonavir
Synonyms: Des(isopropylthiazolyl) Hydantoin-oxazolidinone Ritonavir, Thiazol-5-ylmethyl (4S,5S)-4-benzyl-5-((2S)-2-((4S)-4-(1-methylethyl)-2,5-dioxoimidazolidin-1-yl)-3-phenylpropyl)-2-oxooxazolidine-3-carboxylate

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-R071-010
CAS: 165315-26-4
Formula: C₃₆H₄₆N₆O₅S₂
Family: Ritonavir
Synonyms: 2-Desisopropyl-2-ethyl ritonavir, Ritonavir impurity i (ep impurity)

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-R071-011
CAS: 162849-95-8
Formula: C₂₈H₃₅N₃O₅S
Family: Ritonavir
Synonyms: tert-Butyl (thiazol-5-ylmethyl) ((2S,3S,5S)-3-hydroxy-1,6-diphenylhexane-2,5-diyl)dicarbamate, Thiazol-5-ylmethyl ((1S,2S,4S)-1-benzyl-4-(((1,1-dimethylethoxy)carbonyl)amino)-2-hydroxy-5-phenylpentyl)carbamate

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-R071-012
CAS: 1010809-39-8
Formula: C₂₈H₃₅N₃O₅S
Family: Ritonavir
Synonyms: Ritonavir Impurity K, Isobutyl (thiazol-5-ylmethyl) ((2S,3S,5S)-3-hydroxy-1,6-diphenylhexane-2,5-diyl)dicarbamate

Pharmacopoeial impurityLevels of characterisation

Pharmacopoeial impurityLevels of characterisation

Pharmacopoeial impurityLevels of characterisation

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-R071-039
CAS: 2804644-96-8
Formula: C₄₇H₅₂N₆O₇S₂
Family: Ritonavir
Synonyms: 1,3-Thiazol-5-ylmethyl N-[(2S,3S,5S)-3-hydroxy-5-[[(2S,4S,5S)-4-hydroxy-1,6-diphenyl-5-(1,3-thiazol-5-ylmethoxycarbonylamino)hexan-2-yl]carbamoylamino]-1,6-diphenylhexan-2-yl]carbamate, Ritonavir Impurity 11

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