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

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Pyraclostrobin Impurity 3

ImpurityLevels of characterisation

Cat. No.: P-P1016-005
CAS: 512165-96-7
Formula: C₁₈H₁₆ClN₃O₃
Synonyms: Methyl N-[2-[[1-(4-chlorophenyl)pyrazol-3-yl]oxymethyl]phenyl]carbamate, Methyl N-(2-(((1-(4-chlorophenyl)-1H-pyrazol-3-yl)oxy)methyl)phenyl)carbamate

Pyrazinamide EP Impurity B

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-P237-002
CAS: 19847-12-2
Formula: C₅H₃N₃
Family: Pyrazinamide
Synonyms: Pyrazinenitrile, Pyrazinecarbonitrile

Pyrazinamide-d3

Isotopically labelledLevels of characterisation

Cat. No.: P-P237-003
CAS: 1432059-16-9
Formula: C₅H₂D₃N₃O
Family: Pyrazinamide
Synonyms: 3,5,6-trideuteriopyrazine-2-carboxamide, Pyrazinamide-3,5,6-d3

Pyrazinamide-d3-15N

Isotopically labelledLevels of characterisation

Cat. No.: P-P237-004
CAS: 1246817-81-1
Formula: C₅H₂D₃N₂¹⁵NO
Family: Pyrazinamide
Synonyms: 3,5,6-trideuteriopyrazine-2-(15N)carboxamide, Pyrazinamide-15N,d3

Pyrazinoic Acid

ImpurityLevels of characterisation

Cat. No.: P-P237-006
CAS: 98-97-5
Formula: C₅H₄N₂O₂
Family: Pyrazinamide
Synonyms: Pyrazinecarboxylic Acid, 2-Pyrazinecarboxylic acid

5-(4-Fluorophenyl)-3-pyridinemethanol

ImpurityLevels of characterisation

Cat. No.: P-S017-004
CAS: 222551-22-6
Formula: C₁₂H₁₀FNO
Family: Sarizotan

Quinoxaline Impurity 1

ImpurityLevels of characterisation

Cat. No.: P-Q031-002
CAS: 2726466-52-8
Formula: C₁₂H₈BrClN₆
Synonyms: 6-N-(5-Bromo-2-chloropyrimidin-4-yl)quinoxaline-5,6-diamine

Ravuconazole-d4

Isotopically labelledLevels of characterisation

Cat. No.: P-R020-003
CAS: 1329499-27-5
Formula: C₂₂H₁₃D₄F₂N₅OS
Family: Ravuconazole

Rilmenidine Impurity A

ImpurityLevels of characterisation

Cat. No.: P-R058-003
CAS: 54187-44-9
Formula: C₁₀H₁₈N₂O₂
Family: Rilmenidine
Synonyms: N-(Dicyclopropylmethyl)-N'-(2-hydroxyethyl)urea, 1-(dicyclopropylmethyl)-3-(2-hydroxyethyl)urea

Rilmenidine-d4

Isotopically labelledLevels of characterisation

Cat. No.: P-R058-002
CAS: 85047-14-9
Formula: C₁₀H₁₂D₄N₂O
Family: Rilmenidine
Synonyms: 4,4,5,5-tetradeuterio-N-(dicyclopropylmethyl)-1,3-oxazol-2-amine

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