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Pharmaceutical analytical standards

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

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N-Nitroso-N-Desmethyl Ivabradine

NitrosamineLevels of characterisation

Cat. No.: P-I106-009
Formula: C₂₆H₃₃N₃O₆
Family: Ivabradine

D-Tryptophan acylchloride HCl Salt

ImpurityLevels of characterisation

Cat. No.: P-T232-052
Formula: C₁₁H₁₁ClN₂O·HCl
Family: Tryptophan

Tryptophan EP Impurity A DiHCl

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-T232-010
Formula: C₂₄H₂₆N₄O₄·2HCl
Family: Tryptophan
Synonyms: Tryptophan USP Related Compound A DiHCl

Tryptophan EP Impurity A HCl

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-T232-011
Formula: C₂₄H₂₆N₄O₄·HCl
Family: Tryptophan
Synonyms: Tryptophan USP Related Compound A HCl

(1S,3R)-Tryptophan EP Impurity I

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-T232-004
Formula: C₁₃H₁₄N₂O₂
Family: Tryptophan

Tryptophan EP Impurity L Lithium Salt (Mixture of Diastereomers)

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-T232-021
Formula: C₂₁H₁₈LiN₃O₂
Family: Tryptophan

Tryptophan Impurity 10

ImpurityLevels of characterisation

Cat. No.: P-T232-070
Formula: C₂₆H₃₀N₄O₄
Family: Tryptophan

Tryptophan Impurity 11 (Mixture of Diastereomers)

ImpurityLevels of characterisation

Cat. No.: P-T232-071
Formula: C₁₈H₂₀N₄O₆
Family: Tryptophan

Tryptophan Impurity 12

ImpurityLevels of characterisation

Cat. No.: P-T232-072
Formula: C₁₁H₁₂N₂O₅S
Family: Tryptophan
Synonyms: (2S)-2-Amino-3-(2-sulfinooxy-1H-indol-3-yl)propanoic acid

Tryptophan Impurity 14

ImpurityLevels of characterisation

Cat. No.: P-T232-074
Formula: C₁₄H₁₄Cl₂N₂O₃
Family: Tryptophan
Synonyms: Methyl (2R)-2-[(2,2-dichloroacetyl)amino]-3-(1H-indol-3-yl)propanoate

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