4-Nitrosomethylaminopyridine

Name: 4-Nitrosomethylaminopyridine
Brand: Vaqora Chemicals
SKU: VQ-006800

About 4-Nitrosomethylaminopyridine

Listed under CAS 16219-99-1, 4-Nitrosomethylaminopyridine is a nitrosamine impurity standard available from Vaqora Chemicals. Formula C6H7N3O, molecular weight 137.14 g/mol. Its systematic (IUPAC) name is N-methyl-N-pyridin-4-ylnitrous amide. Common synonyms include N-Methyl-N-nitroso-4-pyridinamine and 4-(methylnitrosamino)- Pyridine.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

It is used as a reference standard for trace-level detection and quantitation of nitrosamine impurities by LC-MS/MS or GC-MS, supporting nitrosamine risk assessments, method validation (AMV) and regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 4-Nitrosomethylaminopyridine is dispatched with a Certificate of Analysis (COA) to destinations worldwide. This item is currently in stock for prompt dispatch.

Typical applications

Nitrosamine risk assessment
Trace LC-MS/MS quantitation
Method validation (AMV)
Regulatory submissions

Industries

Specifications & identifiers

Chemical identifiers
Product name	4-Nitrosomethylaminopyridine
Catalogue No.	VQ-006800
CAS Number	16219-99-1
IUPAC name	N-methyl-N-pyridin-4-ylnitrous amide
Molecular formula	C₆H₇N₃O
Molecular weight	137.14 g/mol
Exact mass	137.0589
Grade	Reference Standard
HSN code	38229090
InChIKey	CNXCLASNZDZCBC-UHFFFAOYSA-N
SMILES	CN(C1=CC=NC=C1)N=O
PubChem CID	146271

Physical properties
Physical form	Solid
LogP (XLogP3)	1
H-bond donors / acceptors	0 / 4
TPSA	45.6 Å²
Synonyms	N-Methyl-N-nitroso-4-pyridinamine, 4-(methylnitrosamino)- Pyridine, N-Methyl-N-(pyridin-4-yl)nitrous Amide, N-Nitroso-N-methyl-4-aminopyridine, 4-Pyridinamine, N-methyl-N-nitroso-, N-methyl-N-nitrosopyridin-4-amine, N-Methyl-N-(4-pyridyl)nitrous Amide, N-Methyl-N-nitroso-4-aminopyridine, Pyridine, 4-(methylnitrosamino)-, Pyridine, 4-nitrosomethylamino-, 4-[Methyl(nitroso)amino]pyridine, 5-22-14-00724 (Beilstein Handbook Reference)

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H319Causes serious eye irritation
H351Suspected of causing cancer

Precautionary statements: P203, P264, P264 + P265, P270, P280, P301 + P316, P305 + P351 + P338, P318, P321, P330, P337 + P317, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 4-Nitrosomethylaminopyridine?

The CAS Registry Number of 4-Nitrosomethylaminopyridine is 16219-99-1. It is also known as N-Methyl-N-nitroso-4-pyridinamine, 4-(methylnitrosamino)- Pyridine, N-Methyl-N-(pyridin-4-yl)nitrous Amide.

What is the molecular formula and molecular weight of 4-Nitrosomethylaminopyridine?

4-Nitrosomethylaminopyridine has the molecular formula C6H7N3O and a molecular weight of 137.14 g/mol. Its IUPAC name is N-methyl-N-pyridin-4-ylnitrous amide.

Which grade and pack sizes of 4-Nitrosomethylaminopyridine can I order?

We supply 4-Nitrosomethylaminopyridine in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4-Nitrosomethylaminopyridine?

Yes. Every lot of 4-Nitrosomethylaminopyridine is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 4-Nitrosomethylaminopyridine be shipped internationally?

Yes. 4-Nitrosomethylaminopyridine is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.