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Pharmaceutical analytical standards

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

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Clarithromycin Impurity 2

ImpurityLevels of characterisation

Cat. No.: P-C181-031
Formula: C₅₀H₉₈N₂O₁₄Si₂
Family: Clarithromycin

Clarithromycin Impurity 4

ImpurityLevels of characterisation

Cat. No.: P-C181-033
Formula: C₃₃H₅₉NO₈Si
Family: Clarithromycin

Clarithromycin Impurity 5 (Mixture of Z and E Isomers)

ImpurityLevels of characterisation

Cat. No.: P-C181-034
Formula: C₄₉H₉₄N₂O₁₃Si₂
Family: Clarithromycin

Clarithromycin Impurity 6

ImpurityLevels of characterisation

Cat. No.: P-C181-035
Formula: C₄₄H₈₆N₂O₁₃Si₂
Family: Clarithromycin

Clarithromycin Impurity 7

ImpurityLevels of characterisation

Cat. No.: P-C181-036
Formula: C₄₇H₉₄N₂O₁₃Si₃
Family: Clarithromycin

Clarithromycin Impurity 8

ImpurityLevels of characterisation

Cat. No.: P-C181-037
Formula: C₄₈H₉₂N₂O₁₃Si₂
Family: Clarithromycin

Clarithromycin Impurity 9

ImpurityLevels of characterisation

Cat. No.: P-C181-038
Formula: C₃₈H₆₉NO₁₃
Family: Clarithromycin

Daclatasvir Impurity 10

ImpurityLevels of characterisation

Cat. No.: P-D004-016
Formula: C₂₁H₂₁N₃O
Family: Daclatasvir

Daclatasvir Impurity 11

ImpurityLevels of characterisation

Cat. No.: P-D004-017
Formula: C₃₆H₄₄N₆O₄
Family: Daclatasvir
Synonyms: tert-Butyl (2R)-2-[5-[4-[4-[2-[(2S)-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidin-2-yl]-1H-imidazol-5-yl]phenyl]phenyl]-1H-imidazol-2-yl]pyrrolidine-1-carboxylate

Daclatasvir Impurity 12

ImpurityLevels of characterisation

Cat. No.: P-D004-018
Formula: C₂₆H₂₈N₆
Family: Daclatasvir
Synonyms: 2-[(2R)-Pyrrolidin-2-yl]-5-[4-[4-[2-[(2S)-pyrrolidin-2-yl]-1H-imidazol-5-yl]phenyl]phenyl]-1H-imidazole

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