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

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Rufinamide USP Related Compound B

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-R096-003
CAS: 217448-86-7
Formula: C₁₁H₉F₂N₃O₂
Family: Rufinamide
Synonyms: methyl 1-[(2,6-difluorophenyl)methyl]triazole-4-carboxylate, Rufinamide Related Compound B (Rufinamide Methyl Ester Analog)

Rufinamide-5-Carboxamide

ImpurityLevels of characterisation

Cat. No.: P-R096-019
CAS: 1622904-99-7
Formula: C₁₀H₈F₂N₄O
Family: Rufinamide
Synonyms: Rufinamide Impurity 8, 3-[(2,6-difluorophenyl)methyl]triazole-4-carboxamide

2(S)-[1(S)-azido-2-phenylethyl]oxirane

ImpurityLevels of characterisation

Cat. No.: P-F116-006
CAS: 136465-89-9
Formula: C₁₀H₁₁N₃O
Family: Fosamprenavir

Spiramycin Adipate

ImpurityLevels of characterisation

Cat. No.: P-S078-016
CAS: 68880-55-7
Formula: C₄₃H₇₄N₂O₁₄·C₆H₁₀O₄
Family: Spiramycin

Spiramycin EP Impurity A

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-S078-002
CAS: 70253-62-2
Formula: C₃₆H₆₂N₂O₁₁
Family: Spiramycin
Synonyms: Neospiramycin I, Spiramycin Impurity 2

Spiramycin EP Impurity B

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-S078-003
CAS: 249930-66-3
Formula: C₄₃H₇₆N₂O₁₄
Family: Spiramycin
Synonyms: Spiramycin Impurity B

Spiramycin EP Impurity C

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-S078-004
CAS: 177584-13-3
Formula: C₄₄H₇₄N₂O₁₄
Family: Spiramycin

Spiramycin EP Impurity D

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-S078-005
CAS: 87708-39-2
Formula: C₄₂H₇₁NO₁₆
Family: Spiramycin

Spiramycin EP Impurity E

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-S078-006
CAS: 177584-14-4
Formula: C₄₃H₇₆N₂O₁₃
Family: Spiramycin

Spiramycin EP Impurity H

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-S078-009
CAS: 4617-99-6
Formula: C₃₉H₆₆N₂O₁₂
Family: Spiramycin
Synonyms: Neospiramycin III, Neospiramycin

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