Pharmaceutical analytical standards

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

Results 48,841-48,850 of 59,523

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ImpurityLevels of characterisation

Cat. No.: P-D200-018
CAS: 74496-90-5
Formula: C₂₅H₃₇BrO₄
Family: Dydrogesterone
Synonyms: (7R,8S,9S,10R,13S,14S,17S)-7-Bromo-10,13-dimethyl-17-(2-methyl-1,3-dioxolan-2-yl)spiro[1,2,4,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane]

ImpurityLevels of characterisation

Cat. No.: P-D200-019
CAS: 32164-74-2
Formula: C₂₅H₃₆O₄
Family: Dydrogesterone
Synonyms: (9S,10S,13S,14R,17S)-10,13-Dimethyl-17-(2-methyl-1,3-dioxolan-2-yl)spiro[1,2,4,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane]

ImpurityLevels of characterisation

Cat. No.: P-D200-023
CAS: 74332-34-6
Formula: C₂₅H₃₆O₆
Family: Dydrogesterone
Synonyms: (8S,9S,10R,13S,14S,17R)-17-Hydroxy-10,13-dimethyl-17-(2-methyl-1,3-dioxolan-2-yl)spiro[1,2,4,7,8,9,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane]-11-one

ImpurityLevels of characterisation

Cat. No.: P-D200-014
CAS: 23035-53-2
Formula: C₂₁H₂₆O₂
Family: Dydrogesterone
Synonyms: 9beta,10alpha-Pregna-4,6,8(14)-triene-3,20-dione, Dydrogesterone impurity a (ep impurity)

ImpurityLevels of characterisation

ImpurityLevels of characterisation

Cat. No.: P-A205-020
CAS: 72224-25-0
Formula: C₁₁H₁₂O₄
Family: Atenolol
Synonyms: 4-(2-Oxiranylmethoxy)benzeneacetic acid, 2-[4-(oxiran-2-ylmethoxy)phenyl]acetic acid

ImpurityLevels of characterisation

Cat. No.: P-A038-027
CAS: 116384-54-4
Formula: C₁₀H₁₆N₅O₄P
Family: Adefovir
Synonyms: Adefovir Dipivoxil Impurity 16, 2-(6-aminopurin-9-yl)ethoxymethyl-ethoxyphosphinic acid

ImpurityLevels of characterisation

ImpurityLevels of characterisation

Cat. No.: P-U006-011
CAS: 22766-68-3
Formula: C₁₀H₁₇NO₂
Family: Umeclidinium
Synonyms: Ethyl 1-azabicyclo(2.2.2)octane-4-carboxylate, ethyl 1-azabicyclo[2.2.2]octane-4-carboxylate

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-E138-030
CAS: 54048-10-1
Formula: C₂₂H₂₈O₂
Family: Etonogestrel
Synonyms: Desogestrel EP Impurity D, Desogestrel USP Related Compound C, 3-Ketodesogestrel, Implanon

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