Impurity Reference Standards

Nitrosamine Impurities

N-nitrosamine reference standards, including small nitrosamines and nitrosamine drug substance related impurities, for trace LC-MS risk testing.

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N-Nitroso-Meglumine

CAS: 62137-31-9
Formula: C₇H₁₆N₂O₆
MW: 224.21 g/mol

ZX-006173

N-Nitroso-Meglumine (S,R,R,R) Impurity

CAS: 10356-92-0
Formula: C₇H₁₆N₂O₆
MW: 224.21 g/mol

ZX-006174

N-Nitroso-N-(phosphonomethyl)glycine

CAS: 56516-72-4
Formula: C₃H₇N₂O₆P
MW: 198.07 g/mol

ZX-031153

N-Nitroso-N-Benzyl Anthranilic Acid

CAS: 1028-91-7
Formula: C₁₄H₁₂N₂O₃
MW: 256.26 g/mol

ZX-026224

N-Nitroso-N-Desmethyl Nintedanib (N-1)

CAS: 334951-61-0
Formula: C₃₀H₃₁N₅O₄
MW: 525.6 g/mol

ZX-006175

N-Nitroso-N-Ethylaniline

CAS: 612-64-6
Formula: C₈H₁₀N₂O
MW: 150.18 g/mol

ZX-006176

N-Nitroso-N-ethylbutylamine

CAS: 4549-44-4
Formula: C₆H₁₄N₂O
MW: 130.19 g/mol

ZX-027508

N-Nitroso-N-methyl-4-aminobutyric Acid

CAS: 61445-55-4
Formula: C₅H₁₀N₂O₃
MW: 146.14 g/mol

ZX-006177

N-Nitroso-N-methyl-4-aminobutyric Acid Methyl Ester

CAS: 51938-17-1
Formula: C₆H₁₂N₂O₃
MW: 160.17 g/mol

ZX-036562

N-Nitroso-N-methyl-N-dodecylamine

CAS: 55090-44-3
Formula: C₁₃H₂₈N₂O
MW: 228.37 g/mol

ZX-026119

N-Nitroso-N-methyl-N-tetradecylamine

CAS: 75881-20-8
Formula: C₁₅H₃₂N₂O
MW: 256.43 g/mol

ZX-035140

N-Nitroso-N-Methyl-O-Methyl-Hydroxylamine

CAS: 16339-12-1
Formula: C₂H₆N₂O₂
MW: 90.08 g/mol

ZX-006178

N-Nitroso-N-methylaniline

CAS: 614-00-6
Formula: C₇H₈N₂O
MW: 136.15 g/mol

ZX-006179

N-Nitroso-N-methylcyclohexylamine

CAS: 5432-28-0
Formula: C₇H₁₄N₂O
MW: 142.2 g/mol

ZX-006180

N-Nitroso-N-methylnitroguanidine

CAS: 70-25-7
Formula: C₂H₅N₅O₃
MW: 147.09 g/mol

ZX-006181

N-Nitroso-N-methylurea

CAS: 684-93-5
Formula: C₂H₅N₃O₂
MW: 103.08 g/mol

ZX-031235

N-Nitroso-N,N-di-(7-methyloctyl)amine

CAS: 643014-99-7
Formula: C₁₈H₃₈N₂O
MW: 298.5 g/mol

ZX-031483

N-Nitroso-N′-carbethoxypiperazine

CAS: 13256-15-0
Formula: C₇H₁₃N₃O₃
MW: 187.2 g/mol

ZX-031533

N-Nitroso-Nadolol

CAS: 134720-06-2
Formula: C₁₇H₂₆N₂O₅
MW: 338.4 g/mol

ZX-030748

N-Nitroso-Nortriptyline

CAS: 55855-42-0
Formula: C₁₉H₂₀N₂O
MW: 292.4 g/mol

ZX-025887

N-Nitroso-Risperidone Impurity-II

CAS: 6238-69-3
Formula: C₆H₁₀N₂O₃
MW: 158.16 g/mol

ZX-006182

N-Nitroso-tert-butylmethylamine

CAS: 2504-18-9
Formula: C₅H₁₂N₂O
MW: 116.16 g/mol

ZX-006183

N-Nitroso-Trimetazidine

CAS: 92432-50-3
Formula: C₁₄H₂₁N₃O₄
MW: 295.33 g/mol

ZX-027423

N-Nitrosoatrazine

CAS: 56525-09-8
Formula: C₈H₁₃ClN₆O
MW: 244.68 g/mol

ZX-032966

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