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Impurities & Reference Standards

Nitrosamine Impurities

Source 294 nitrosamine impurities for research, QC and production, documented with COA and SDS.

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COA + SDSwith every lot

Reference Standard

N-Methyl-N-Nitroso p-Toluidine chemical structure

N-Methyl-N-Nitroso p-Toluidine

CAS: 937-24-6
Formula: C₈H₁₀N₂O
MW: 150.18 g/mol

VQ-027225

Reference Standard

N-Methyl-N-nitroso-1-hexadecylamine chemical structure

N-Methyl-N-nitroso-1-hexadecylamine

CAS: 98648-34-1
Formula: C₁₇H₃₆N₂O
MW: 284.5 g/mol

VQ-040156

Reference Standard

N-Methyl-N-nitroso-1-octadecylamine chemical structure

N-Methyl-N-nitroso-1-octadecylamine

CAS: 69112-94-3
Formula: C₁₉H₄₀N₂O
MW: 312.5 g/mol

VQ-040213

Reference Standard

N-Methyl-N-Nitroso-p-Toluenesulfonamide chemical structure

N-Methyl-N-Nitroso-p-Toluenesulfonamide

CAS: 80-11-5
Formula: C₈H₁₀N₂O₃S
MW: 214.24 g/mol

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Reference Standard

N-Methyl-N-Nitrosopropane-1,3-Diamine chemical structure

N-Methyl-N-Nitrosopropane-1,3-Diamine

Formula: C₄H₁₁N₃O
MW: 117.15 g/mol

VQ-006872

Reference Standard

N-methyl-N-phenethylnitrous amide chemical structure

N-methyl-N-phenethylnitrous amide

CAS: 13256-11-6
Formula: C₉H₁₂N₂O
MW: 164.2 g/mol

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Reference Standard

N-Nitroso (S)-Piperidin-3-ol chemical structure

N-Nitroso (S)-Piperidin-3-ol

CAS: 2380680-64-6
Formula: C₅H₁₀N₂O₂
MW: 130.15 g/mol

VQ-026097

Reference Standard

N-Nitroso 4-Hydroxy-2,2,6,6-tetramethylpiperidine chemical structure

N-Nitroso 4-Hydroxy-2,2,6,6-tetramethylpiperidine

CAS: 55556-90-6
Formula: C₉H₁₈N₂O₂
MW: 186.25 g/mol

VQ-040502

Reference Standard

N-Nitroso Adenine chemical structure

N-Nitroso Adenine

CAS: 2615274-45-6
Formula: C₅H₄N₆O
MW: 164.13 g/mol

VQ-024142

Reference Standard

N-Nitroso Alogliptin Impurity A

N-Nitroso Alogliptin Impurity A

Formula: C₁₈H₂₀N₆O₃.ClH
MW: 404.85 g/mol

In stock

Reference Standard

N-Nitroso Amiodarone EP Impurity B chemical structure

N-Nitroso Amiodarone EP Impurity B

CAS: 678982-38-2
Formula: C₂₃H₂₄I₂N₂O₄
MW: 646.3 g/mol

VQ-021554

Reference Standard

N-Nitroso Amlodipine chemical structure

N-Nitroso Amlodipine

CAS: 3048033-49-1
Formula: C₂₀H₂₄ClN₃O₆
MW: 437.9 g/mol

VQ-029131

Reference Standard

N-Nitroso Apixaban Amino Acid Impurity

N-Nitroso Apixaban Amino Acid Impurity

Formula: C₂₅H₂₅N₅O₇
MW: 507.5 g/mol

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Reference Standard

N-Nitroso Apixaban Amino Acid Impurity chemical structure

N-Nitroso Apixaban Amino Acid Impurity

CAS: 3094994-84-7
Formula: C₂₅H₂₆N₆O₆
MW: 506.5 g/mol

VQ-029180

Reference Standard

N-Nitroso Aprepitant Impurity 4 chemical structure

N-Nitroso Aprepitant Impurity 4

CAS: 77817-40-4
Formula: C₉H₁₂N₂O₂
MW: 180.2 g/mol

In stock

Reference Standard

N-Nitroso Arformoterol

N-Nitroso Arformoterol

Formula: C₁₉H₂₃N₃O₅
MW: 373.4 g/mol

VQ-006877

Reference Standard

N-Nitroso Aryl Lurasidone chemical structure

N-Nitroso Aryl Lurasidone

CAS: 37015-96-6
Formula: C₁₁H₁₂N₄OS
MW: 248.31 g/mol

VQ-035191

Reference Standard

N-Nitroso Atropine EP Impurity B chemical structure

N-Nitroso Atropine EP Impurity B

CAS: 55855-45-3
Formula: C₁₆H₂₀N₂O₄
MW: 304.34 g/mol

VQ-035856

Reference Standard

N-Nitroso Azacyclonol (NAZC) chemical structure

N-Nitroso Azacyclonol (NAZC)

CAS: 1038-06-8
Formula: C₁₈H₂₀N₂O₂
MW: 296.4 g/mol

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Reference Standard

N-Nitroso Benazepril chemical structure

N-Nitroso Benazepril

CAS: 3028194-79-5
Formula: C₂₄H₂₇N₃O₆
MW: 453.5 g/mol

VQ-029374

Reference Standard

N-Nitroso Betahistine chemical structure

N-Nitroso Betahistine

CAS: 32635-81-7
Formula: C₈H₁₁N₃O
MW: 165.19 g/mol

VQ-020680

Reference Standard

N-Nitroso Binimetinib chemical structure

N-Nitroso Binimetinib

Formula: C₁₇H₁₄BrF₂N₅O₄
MW: 470.2 g/mol

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Reference Standard

N-Nitroso Binimetinib Impurity 15

N-Nitroso Binimetinib Impurity 15

Formula: C₁₅H₁₀BrF₂N₅O₂
MW: 410.17 g/mol

In stock

Reference Standard

N-Nitroso Brexpiprazole piperazine intermediate chemical structure

N-Nitroso Brexpiprazole piperazine intermediate

CAS: 2639426-95-0
Formula: C₁₂H₁₃N₃OS
MW: 247.32 g/mol

VQ-020980

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