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Pharmaceutical analytical standards

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

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Exemestane Impurity 9 (6-beta Isomer)

ImpurityLevels of characterisation

Cat. No.: P-E147-030
Formula: C₂₇H₃₂O₅S
Family: Exemestane
Synonyms: [(6R,8R,9S,10R,13S,14S)-10,13-Dimethyl-3,17-dioxo-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-6-yl]methyl 4-methylbenzenesulfonate

Exemestane Metabolite 1

MetaboliteLevels of characterisation

Cat. No.: P-E147-010
Formula: C₂₀H₂₇NO₄S
Family: Exemestane

Exemestane Metabolite 2

MetaboliteLevels of characterisation

Cat. No.: P-E147-011
Formula: C₂₁H₂₈O₄
Family: Exemestane

Exemestane-d3

Isotopically labelledLevels of characterisation

Cat. No.: P-E147-013
Formula: C₂₀H₂₁D₃O₂
Family: Exemestane
Synonyms: Exemestane-19-d3

Exemestane-d5

Isotopically labelledLevels of characterisation

Cat. No.: P-E147-014
Formula: C₂₀H₁₉D₅O₂
Family: Exemestane

Fulvestrant Enantiomer

ImpurityLevels of characterisation

Cat. No.: P-F130-019
Formula: C₃₂H₄₇F₅O₃S
Family: Fulvestrant

Fulvestrant Impurity 10

ImpurityLevels of characterisation

Cat. No.: P-F130-030
Formula: C₂₀H₂₅BrO₃
Family: Fulvestrant

Fulvestrant Impurity 11

ImpurityLevels of characterisation

Cat. No.: P-F130-031
Formula: C₅₄H₈₂O₄S
Family: Fulvestrant

Fulvestrant Impurity 13

ImpurityLevels of characterisation

Cat. No.: P-F130-033
Formula: C₂₇H₃₉BrO₂
Family: Fulvestrant

Fulvestrant Impurity 16

ImpurityLevels of characterisation

Cat. No.: P-F130-037
Formula: C₅₄H₈₂O₅S
Family: Fulvestrant

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