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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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Reference Standard

Dinitropentamethylenetetramine chemical structure

Dinitropentamethylenetetramine

CAS: 949-56-4
Formula: C₅H₁₀N₆O₄
MW: 218.17 g/mol

VQ-037581

Reference Standard

Dinitroso Caffeidine chemical structure

Dinitroso Caffeidine

CAS: 145438-97-7
Formula: C₇H₁₀N₆O₃
MW: 226.19 g/mol

VQ-024726

Reference Standard

DInitroso Clonidine chemical structure

DInitroso Clonidine

CAS: 148950-50-9
Formula: C₉H₇Cl₂N₅O₂
MW: 288.09 g/mol

VQ-025056

Reference Standard

Dinitroso Ethambutol chemical structure

Dinitroso Ethambutol

CAS: 2792161-95-4
Formula: C₁₀H₂₂N₄O₄
MW: 262.31 g/mol

VQ-037120

Reference Standard

Dinitrosodimethyl Propanediamine chemical structure

Dinitrosodimethyl Propanediamine

CAS: 6972-76-5
Formula: C₅H₁₂N₄O₂
MW: 160.17 g/mol

VQ-032914

Reference Standard

Dinitrosopentamethylenetetramine chemical structure

Dinitrosopentamethylenetetramine

CAS: 101-25-7
Formula: C₅H₁₀N₆O₂
MW: 186.17 g/mol

VQ-032930

Reference Standard

Dioctylnitrosamine chemical structure

Dioctylnitrosamine

CAS: 6335-97-3
Formula: C₁₆H₃₄N₂O
MW: 270.45 g/mol

VQ-027275

Reference Standard

DL-N-Acetyl-1-nitrosyltryptophan chemical structure

DL-N-Acetyl-1-nitrosyltryptophan

CAS: 53602-74-7
Formula: C₁₃H₁₃N₃O₄
MW: 275.26 g/mol

VQ-035379

Reference Standard

Dotinurad Nitroso Impurity 1 chemical structure

Dotinurad Nitroso Impurity 1

CAS: 39884-80-5
Formula: C₇H₆N₂O₃S
MW: 198.2 g/mol

VQ-045073

Reference Standard

Duloxetine Nitroso Impurity 1

Duloxetine Nitroso Impurity 1

Formula: C₁₈H₁₈N₂O₂S
MW: 326.41 g/mol

In stock

Reference Standard

Enalapril N-Nitroso

Enalapril N-Nitroso

Formula: C₂₀H₂₇N₃O₆
MW: 405.45 g/mol

In stock

Reference Standard

Enzalutamide Nitroso Impurity 1 chemical structure

Enzalutamide Nitroso Impurity 1

Formula: C₁₂H₁₄FN₃O₄
MW: 283.26 g/mol

In stock

Reference Standard

Ethyl 1-nitrosopiperidine-4-carboxylate chemical structure

Ethyl 1-nitrosopiperidine-4-carboxylate

CAS: 160114-74-9
Formula: C₈H₁₄N₂O₃
MW: 186.21 g/mol

VQ-027297

Reference Standard

Ethyl 2-[Nitroso(phenylmethyl)amino]acetate chemical structure

Ethyl 2-[Nitroso(phenylmethyl)amino]acetate

CAS: 50270-42-3
Formula: C₁₁H₁₄N₂O₃
MW: 222.24 g/mol

VQ-032942

Reference Standard

Ethyl 4-(methyl(nitroso)amino)benzoate chemical structure

Ethyl 4-(methyl(nitroso)amino)benzoate

CAS: 208176-48-1
Formula: C₁₀H₁₂N₂O₃
MW: 208.21 g/mol

VQ-024548

Reference Standard

Ethyl 5-(4-nitrosopiperazin-1-yl)benzofuran-2-carboxylate chemical structure

Ethyl 5-(4-nitrosopiperazin-1-yl)benzofuran-2-carboxylate

CAS: 2512217-82-0
Formula: C₁₅H₁₇N₃O₄
MW: 303.31 g/mol

VQ-028699

Reference Standard

Ethyl Ethylene diamine nitroso Impurity (Mixture of Rotamers) chemical structure

Ethyl Ethylene diamine nitroso Impurity (Mixture of Rotamers)

CAS: 2680539-26-6
Formula: C₄H₁₁N₃O
MW: 117.15 g/mol

In stock

Reference Standard

Ethyl Olopatadine Ethyl Carbamate Impurity

Ethyl Olopatadine Ethyl Carbamate Impurity

Formula: C₂₅H₂₉NO₅
MW: 423.5 g/mol

In stock

Reference Standard

Fluoxetine Nitroso EP Impurity A chemical structure

Fluoxetine Nitroso EP Impurity A

CAS: 2659259-65-9
Formula: C₁₀H₁₄N₂O₂
MW: 194.23 g/mol

VQ-022686

Reference Standard

Fluoxetine Nitroso EP Impurity B chemical structure

Fluoxetine Nitroso EP Impurity B

CAS: 259547-00-7
Formula: C₁₀H₁₄N₂O
MW: 178.23 g/mol

In stock

Reference Standard

Fluoxetine Nitroso EP Impurity C

Fluoxetine Nitroso EP Impurity C

Formula: C₁₇H₁₇F₃N₂O₂
MW: 338.32 g/mol

In stock

Reference Standard

Fluoxetine Nitroso Impurity 2 chemical structure

Fluoxetine Nitroso Impurity 2

CAS: 861381-14-8
Formula: C₁₀H₁₂N₂O₂
MW: 192.21 g/mol

In stock

Reference Standard

Glyphosate-N-nitroso-sodium chemical structure

Glyphosate-N-nitroso-sodium

CAS: 56516-71-3
Formula: C₃H₆N₂NaO₆P
MW: 220.05 g/mol

VQ-045198

Reference Standard

Hexahydro-1,3,5-trinitroso-1,3,5-triazine chemical structure

Hexahydro-1,3,5-trinitroso-1,3,5-triazine

CAS: 13980-04-6
Formula: C₃H₆N₆O₃
MW: 174.12 g/mol

VQ-027268

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