Pharmaceutical analytical standards

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

Results 49,331-49,340 of 59,523

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ImpurityLevels of characterisation

Cat. No.: P-I032-024
CAS: 81275-02-7
Formula: C₁₃H₂₅NO₄Si
Family: Imipenem
Synonyms: [(2S,3S)-3-[(1S)-1-[tert-Butyl(dimethyl)silyl]oxyethyl]-4-oxoazetidin-2-yl] acetate, Faropenem Impurity 30 (4-AA Enantiomer)

ImpurityLevels of characterisation

Cat. No.: P-I032-026
CAS: 93788-47-7
Formula: C₁₄H₁₇N₃O₅Si
Family: Imipenem
Synonyms: p-Nitrobenzyl 2-diazo-3-trimethylsilyloxy-3-butenoate, p-nitrobenzyl 2-diazo-3-trimethylsilyloxybutenoate

ImpurityLevels of characterisation

Cat. No.: P-I032-012
CAS: 74288-39-4
Formula: C₁₆H₁₆N₄O₇
Family: Imipenem
Synonyms: (4-Nitrophenyl)methyl 2-diazo-4-[(2R,3S)-3-[(1R)-1-hydroxyethyl]-4-oxoazetidin-2-yl]-3-oxobutanoate

ImpurityLevels of characterisation

Cat. No.: P-I032-017
CAS: 71820-64-9
Formula: C₁₂H₁₇N₃O₅S
Family: Imipenem
Synonyms: (5R,6S)-3-[2-(Aminomethylideneamino)ethylsulfinyl]-6-[(1R)-1-hydroxyethyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid

Isotopically labelledLevels of characterisation

ImpurityLevels of characterisation

Cat. No.: P-I044-011
CAS: 1132970-51-4
Formula: C₄₃H₅₀N₂Na₂O₆S₂
Family: Indocyanine Green
Synonyms: Dihydro Indocyanine Green Sodium Salt, Dihydro Indocyanine Green Sodium Salt 90per cent

ImpurityLevels of characterisation

Cat. No.: P-I044-007
CAS: 63149-24-6
Formula: C₁₉H₂₃NO₃S
Family: Indocyanine Green
Synonyms: 4-(1,1,2-Trimethyl-1H-benzo(E)indolium-3-yl)butane-1-sulfonate, 4-(1,1,2-trimethylbenzo[e]indol-3-ium-3-yl)butane-1-sulfonate

ImpurityLevels of characterisation

Cat. No.: P-I044-025
CAS: 1497-49-0
Formula: C₁₇H₁₆N₂·HCl
Family: Indocyanine Green
Synonyms: N-(5-Anilino-2,4-pentadienylidene)aniline hydrochloride, Glutacondianil hydrochloride

ImpurityLevels of characterisation

Cat. No.: P-I044-028
CAS: 4185-69-7
Formula: C₁₁H₈N₃O₄·Cl
Family: Indocyanine Green
Synonyms: Pyridinium, 1-(2,4-dinitrophenyl)-, chloride, 1-(2,4-dinitrophenyl)pyridin-1-ium chloride

ImpurityLevels of characterisation

Cat. No.: P-I044-008
CAS: 906772-02-9
Formula: C₁₈H₂₁NO₄S
Family: Indocyanine Green
Synonyms: 4-(1,1-dimethyl-2-oxo-3H-benzo[e]indol-3-ium-3-yl)butane-1-sulfonate

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