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Pharmaceutical analytical standards

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

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4-(methylsulfonyl)-2-nitrobenzoic acid

ImpurityLevels of characterisation

Cat. No.: P-M356-004
CAS: 110964-79-9
Formula: C₈H₇NO₆S
Synonyms: Benzoic acid, 4-(methylsulfonyl)-2-nitro-, Mesotrione TP1

5-Nitrofurfural Hydrazone

ImpurityLevels of characterisation

Cat. No.: P-N060-007
CAS: 24186-59-2
Formula: C₅H₅N₃O₃
Family: Nifursol
Synonyms: 2-Furancarboxaldehyde, 5-nitro-, hydrazone (9CI), NSC 53251

N-Nitroso Delapril

NitrosamineLevels of characterisation

Cat. No.: P-D038-003
CAS: 1027955-20-9
Formula: C₂₆H₃₁N₃O₆
Family: Delapril

N-nitroso Diallyl amine

NitrosamineLevels of characterisation

Cat. No.: P-S038-002
CAS: 16338-97-9
Formula: C₆H₁₀N₂O
Family: Sevelamer Carbonate
Synonyms: N,N-Diallylnitrous Amide, Diallylnitrosamine

N-Nitroso Levodropropizine EP Impurity B

NitrosamineLevels of characterisation

Cat. No.: P-D190-003
CAS: 14340-33-1
Formula: C₁₀H₁₃N₃O
Family: Dropropizine
Synonyms: 1-nitroso-4-phenylpiperazine, Piperazine, 1-nitroso-4-phenyl-

N-Nitroso Levodropropizine EP Impurity B-d4

Isotopically labelledLevels of characterisation

Cat. No.: P-D190-002
CAS: 2089332-99-8
Formula: C₁₀H₉D₄N₃O
Family: Dropropizine

N-Nitroso Temazepam EP Impurity A

NitrosamineLevels of characterisation

Cat. No.: P-T042-006
CAS: 51145-18-7
Formula: C₁₄H₁₁ClN₂O₂
Family: Temazepam
Synonyms: N-(2-benzoyl-4-chlorophenyl)-N-methylnitrous amide, N-Nitroso Methyl Aniline Derivative

N-Nitrosochlordiazepoxide

NitrosamineLevels of characterisation

Cat. No.: P-C131-005
CAS: 51715-17-4
Formula: C₁₆H₁₃ClN₄O₂
Family: Chlordiazepoxide
Synonyms: N-Nitroso Chlordiazepoxide, Nitrosochlordiazepoxide

Nonivamide Impurity 1

ImpurityLevels of characterisation

Cat. No.: P-N087-004
CAS: 31078-36-1
Formula: C₁₈H₂₉NO₃
Family: Nonivamide
Synonyms: N-[(4-Hydroxy-3-methoxyphenyl)methyl]-decanamide, N-Vanillyldecanamide

Nor Harmane

ImpurityLevels of characterisation

Cat. No.: P-H009-006
CAS: 244-63-3
Formula: C₁₁H₈N₂
Family: Harmane
Synonyms: beta-Carboline, 9H-pyrido[3,4-b]indole

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