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Nitrosamine Impurities

2-Nitrosopyridine

Reference StandardAvailable on request

2-Nitrosopyridine (CAS 79917-37-6) supplier Zemixal: C5H4N2O, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-034688.

Pack sizes
2-Nitrosopyridine chemical structure
CAS number79917-37-6
FormulaC5H4N2O
Molar mass108.1 g/mol
Physical formSolid
HS code38229090
InChIKeyUJMHYOGYJDQSOH-UHFFFAOYSA-N
IUPAC name2-nitrosopyridine

About 2-Nitrosopyridine

2-Nitrosopyridine is supplied by Zemixal as a characterised reference material for Antipyrine analysis. For your records (Reference Standard), the material is defined by CAS 79917-37-6, formula C5H4N2O and molar mass 108.1 g/mol. It is handled as a solid.

Where it is used

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

Storage and safety notes

It carries the GHS signal word Danger (H227, H301, H315 and H319), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Antipyrine

See every impurity, metabolite and related compound we list for this API.

Antipyrine standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of 2-Nitrosopyridine
Product name2-Nitrosopyridine
Catalogue numberZX-034688
CAS number79917-37-6
IUPAC name2-nitrosopyridine
Molecular formulaC5H4N2O
Molar mass108.1 g/mol
Exact mass108.0324
GradeReference Standard
Physical formSolid
XLogP30.6
H-bond donors / acceptors0 / 3
Topological polar surface area42.3 Ų
HS code38229090
InChIKeyUJMHYOGYJDQSOH-UHFFFAOYSA-N
SMILESC1=CC=NC(=C1)N=O
PubChem CID149263
SynonymsPyridine, nitroso-, Pyridine, 2-nitroso-, nitrosopyridine

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • H227Combustible liquid
  • H301Toxic if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H351Suspected of causing cancer

Precautionary statements P203, P210, P261, P264, P264 + P265, P270, P271, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P370 + P378, P403, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 2-Nitrosopyridine
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 2-Nitrosopyridine

Which CAS number identifies 2-Nitrosopyridine?
2-Nitrosopyridine is registered under CAS 79917-37-6. You may also see it listed as Pyridine, nitroso-, Pyridine, 2-nitroso-, nitrosopyridine. Our catalogue number for this item is ZX-034688.
What are the formula and molar mass of 2-Nitrosopyridine?
For 2-Nitrosopyridine, its formula is C5H4N2O and its molar mass is 108.1 g/mol. The systematic (IUPAC) name is 2-nitrosopyridine. InChIKey UJMHYOGYJDQSOH-UHFFFAOYSA-N lets you match it in any structure database.
How is 2-Nitrosopyridine used in pharmaceutical QC?
2-Nitrosopyridine is a characterised reference material linked to Antipyrine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for 2-Nitrosopyridine?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 2-Nitrosopyridine?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 2-Nitrosopyridine to my country?
Yes. Because 2-Nitrosopyridine is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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