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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

4-(Nitrosoamino)benzenesulfonamide chemical structure

4-(Nitrosoamino)benzenesulfonamide

CAS: 343853-74-7
Formula: C₆H₇N₃O₃S
MW: 201.21 g/mol

VQ-044909

Reference Standard

4-Amino-1,3-dimethyl-5-nitrosouracil chemical structure

4-Amino-1,3-dimethyl-5-nitrosouracil

CAS: 6632-68-4
Formula: C₆H₈N₄O₃
MW: 184.15 g/mol

VQ-036079

Reference Standard

4-Chloro-N-nitrosopiperidine chemical structure

4-Chloro-N-nitrosopiperidine

CAS: 65445-61-6
Formula: C₅H₉ClN₂O
MW: 148.59 g/mol

VQ-027255

Reference Standard

4-Formyl-2-methoxy-3-nitrophenyl acetate chemical structure

4-Formyl-2-methoxy-3-nitrophenyl acetate

CAS: 2698-69-3
Formula: C₁₀H₉NO₆
MW: 239.18 g/mol

VQ-043619

Reference Standard

4-Methyl-4-(methylnitrosoamino)-2-pentanone chemical structure

4-Methyl-4-(methylnitrosoamino)-2-pentanone

CAS: 16339-21-2
Formula: C₇H₁₄N₂O₂
MW: 158.2 g/mol

VQ-034535

Reference Standard

4-Methylene-1-nitrosopiperidine

4-Methylene-1-nitrosopiperidine

CAS: 3053220-60-0
Formula: C₆H₁₀N₂O
MW: 126.16 g/mol

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Reference Standard

4-Nitroso Sulfamethoxazole chemical structure

4-Nitroso Sulfamethoxazole

CAS: 131549-85-4
Formula: C₁₀H₉N₃O₄S
MW: 267.26 g/mol

VQ-033979

Reference Standard

4-Nitrosobenzenamine chemical structure

4-Nitrosobenzenamine

CAS: 659-49-4
Formula: C₆H₆N₂O
MW: 122.12 g/mol

VQ-040537

Reference Standard

4-Nitrosodiphenylamine chemical structure

4-Nitrosodiphenylamine

CAS: 156-10-5
Formula: C₁₂H₁₀N₂O
MW: 198.22 g/mol

VQ-041094

Reference Standard

4-Nitrosomethylaminopyridine chemical structure

4-Nitrosomethylaminopyridine

CAS: 16219-99-1
Formula: C₆H₇N₃O
MW: 137.14 g/mol

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Reference Standard

4,6-Dichloro-5-nitroso-2-(propylthio)pyrimidine chemical structure

4,6-Dichloro-5-nitroso-2-(propylthio)pyrimidine

CAS: 2512210-19-2
Formula: C₇H₇Cl₂N₃OS
MW: 252.12 g/mol

VQ-042524

Reference Standard

5-(4-nitrosopiperazin-1-yl)benzofuran-2-carboxamide

5-(4-nitrosopiperazin-1-yl)benzofuran-2-carboxamide

Formula: C₁₃H₁₄N₄O₃
MW: 274.28 g/mol

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Reference Standard

5-Nitrosoquinolin-8-ol chemical structure

5-Nitrosoquinolin-8-ol

CAS: 3565-26-2
Formula: C₉H₆N₂O₂
MW: 174.16 g/mol

VQ-039674

Reference Standard

56-Nitroso-Vancomycin chemical structure

56-Nitroso-Vancomycin

CAS: 155386-25-7
Formula: C₆₆H₇₄Cl₂N₁₀O₂₅
MW: 1478.2 g/mol

VQ-028630

Reference Standard

7-Chloro-4-(4-nitrosopiperazin-1-yl)quinoline chemical structure

7-Chloro-4-(4-nitrosopiperazin-1-yl)quinoline

CAS: 32863-63-1
Formula: C₁₃H₁₃ClN₄O
MW: 276.72 g/mol

VQ-027520

Reference Standard

7-Nitroso-8-quinolinol chemical structure

7-Nitroso-8-quinolinol

CAS: 26015-96-3
Formula: C₉H₆N₂O₂
MW: 174.16 g/mol

VQ-041027

Reference Standard

8-Chloro-5-nitroso-5,10-dihydro-11H-dibenzo[b,e][1,4]diazepin-11-one chemical structure

8-Chloro-5-nitroso-5,10-dihydro-11H-dibenzo[b,e][1,4]diazepin-11-one

CAS: 90353-66-5
Formula: C₁₃H₈ClN₃O₂
MW: 273.67 g/mol

VQ-044695

Reference Standard

Abemaciclib Nitroso Impurity 1 chemical structure

Abemaciclib Nitroso Impurity 1

Formula: C₁₀H₁₅N₅O
MW: 221.26 g/mol

In stock

Reference Standard

Abemaciclib Piperazine Nitrosamine Impurity

Abemaciclib Piperazine Nitrosamine Impurity

Formula: C₂₅H₂₇F₂N₉O
MW: 507.54 g/mol

In stock

Reference Standard

Aceclofenac Nitroso Impurity 1 chemical structure

Aceclofenac Nitroso Impurity 1

Formula: C₁₆H₁₂Cl₂N₂O₅
MW: 383.2 g/mol

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Reference Standard

Adagrasib Nitroso Impurity 9 chemical structure

Adagrasib Nitroso Impurity 9

CAS: 58246-54-1
Formula: C₅H₁₀N₂O₂
MW: 130.15 g/mol

In stock

Reference Standard

Adagrasib Nitroso Impurity-1

Adagrasib Nitroso Impurity-1

Formula: C₂₄H₃₆N₈O₄
MW: 500.59 g/mol

In stock

Reference Standard

Adagrasib Nitroso Impurity-2

Adagrasib Nitroso Impurity-2

Formula: C₂₉H₃₃ClN₈O₂
MW: 561.08 g/mol

VQ-006807

Reference Standard

Adagrasib Nitroso Impurity-3

Adagrasib Nitroso Impurity-3

Formula: C₆H₉N₅O₂
MW: 183.17 g/mol

In stock

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