1-Nitroso Pyridinium

Name: 1-Nitroso Pyridinium
Brand: Vaqora Chemicals
SKU: VQ-036208

About 1-Nitroso Pyridinium

Listed under CAS 45590-75-8, 1-Nitroso Pyridinium is a nitrosamine impurity of Ceftazidime available from Vaqora Chemicals. Formula C5H5N2O+, molecular weight 109.11 g/mol. Systematically, it is named 1-nitrosopyridin-1-ium.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Laboratories use this nitrosamine standard to develop and validate highly sensitive LC-MS/MS methods, to confirm limits of detection and to document nitrosamine risk assessments in regulatory submissions. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 1-Nitroso Pyridinium is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Ceftazidime

View every impurity, metabolite and intermediate we list for Ceftazidime.

Ceftazidime impurities

Specifications & identifiers

Chemical identifiers
Product name	1-Nitroso Pyridinium
Catalogue No.	VQ-036208
CAS Number	45590-75-8
IUPAC name	1-nitrosopyridin-1-ium
Molecular formula	C₅H₅N₂O⁺
Molecular weight	109.11 g/mol
Exact mass	109.0402
Grade	Reference Standard
HSN code	38229090
InChIKey	ZPCBORZKRDLVOA-UHFFFAOYSA-N
SMILES	C1=CC=[N+](C=C1)N=O
PubChem CID	21766091

Physical properties
Physical form	Solid
LogP (XLogP3)	0.8
H-bond donors / acceptors	0 / 2
TPSA	33.3 Å²

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 1-Nitroso Pyridinium?

The CAS Registry Number of 1-Nitroso Pyridinium is 45590-75-8.

What is the molecular formula and molecular weight of 1-Nitroso Pyridinium?

1-Nitroso Pyridinium has the molecular formula C5H5N2O+ and a molecular weight of 109.11 g/mol. Its IUPAC name is 1-nitrosopyridin-1-ium.

What is 1-Nitroso Pyridinium used for?

1-Nitroso Pyridinium is supplied as a characterised reference material related to Ceftazidime. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 1-Nitroso Pyridinium can I order?

We supply 1-Nitroso Pyridinium in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1-Nitroso Pyridinium?

Yes. Every lot of 1-Nitroso Pyridinium 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 1-Nitroso Pyridinium be shipped internationally?

Yes. We export 1-Nitroso Pyridinium worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.