N-Nitroso Naphazoline

Name: N-Nitroso Naphazoline
Brand: Vaqora Chemicals
SKU: VQ-032066

About N-Nitroso Naphazoline

Vaqora Chemicals supplies N-Nitroso Naphazoline, a nitrosamine impurity of Naphazoline registered under CAS number 2703749-87-3. With the molecular formula C14H13N3O, it has a molar mass of 239.27 g/mol. Systematically, it is named (2E)-2-(naphthalen-1-ylmethylidene)-1-nitrosoimidazolidine.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

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 for Naphazoline, method validation (AMV) and regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer N-Nitroso Naphazoline in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Naphazoline

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

Naphazoline impurities

Specifications & identifiers

Chemical identifiers
Product name	N-Nitroso Naphazoline
Catalogue No.	VQ-032066
CAS Number	2703749-87-3
IUPAC name	(2E)-2-(naphthalen-1-ylmethylidene)-1-nitrosoimidazolidine
Molecular formula	C₁₄H₁₃N₃O
Molecular weight	239.27 g/mol
Exact mass	239.1059
Grade	Reference Standard
HSN code	38229090
InChIKey	QFHFCHAUHARXQY-GXDHUFHOSA-N
SMILES	C1CN(/C(=C/C2=CC=CC3=CC=CC=C32)/N1)N=O
PubChem CID	169444592

Physical properties
Physical form	Solid
LogP (XLogP3)	3.4
H-bond donors / acceptors	1 / 4
TPSA	44.7 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 N-Nitroso Naphazoline?

The CAS Registry Number of N-Nitroso Naphazoline is 2703749-87-3. It is also known as 2-(Naphthalen-1-ylmethyl)-1-nitroso-4,5-dihydro-1H-imidazole.

What is the molecular formula and molecular weight of N-Nitroso Naphazoline?

N-Nitroso Naphazoline has the molecular formula C14H13N3O and a molecular weight of 239.27 g/mol. Its IUPAC name is (2E)-2-(naphthalen-1-ylmethylidene)-1-nitrosoimidazolidine.

What is N-Nitroso Naphazoline used for?

N-Nitroso Naphazoline is supplied as a characterised reference material related to Naphazoline. 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 N-Nitroso Naphazoline can I order?

We supply N-Nitroso Naphazoline 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 N-Nitroso Naphazoline?

Yes. Every lot of N-Nitroso Naphazoline 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 N-Nitroso Naphazoline be shipped internationally?

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