1-Nitroso-1H-benzo[d][1,2,3]triazole

Name: 1-Nitroso-1H-benzo[d][1,2,3]triazole
Brand: Vaqora Chemicals
SKU: VQ-044478

About 1-Nitroso-1H-benzo[d][1,2,3]triazole

Vaqora Chemicals supplies 1-Nitroso-1H-benzo[d][1,2,3]triazole, a nitrosamine impurity of Netarsudil registered under CAS number 23351-96-4. Formula C6H4N4O, molecular weight 148.12 g/mol. Its systematic (IUPAC) name is 1-nitrosobenzotriazole. Common synonyms include N-nitrosobenzotriazole and 1-Nitroso-1H-benzotriazole.

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.

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 Netarsudil, method validation (AMV) and regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 1-Nitroso-1H-benzo[d][1,2,3]triazole 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 Netarsudil

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

Netarsudil impurities

Specifications & identifiers

Chemical identifiers
Product name	1-Nitroso-1H-benzo[d][1,2,3]triazole
Catalogue No.	VQ-044478
CAS Number	23351-96-4
IUPAC name	1-nitrosobenzotriazole
Molecular formula	C₆H₄N₄O
Molecular weight	148.12 g/mol
Exact mass	148.0385
Grade	Reference Standard
HSN code	38229090
InChIKey	MDKBZYVOAAHHGA-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)N=NN2N=O
PubChem CID	129829397

Physical properties
Physical form	Solid
LogP (XLogP3)	0.9
H-bond donors / acceptors	0 / 4
TPSA	60.1 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-1H-benzo[d][1,2,3]triazole?

The CAS Registry Number of 1-Nitroso-1H-benzo[d][1,2,3]triazole is 23351-96-4. It is also known as N-nitrosobenzotriazole, 1-Nitroso-1H-benzotriazole.

What is the molecular formula and molecular weight of 1-Nitroso-1H-benzo[d][1,2,3]triazole?

1-Nitroso-1H-benzo[d][1,2,3]triazole has the molecular formula C6H4N4O and a molecular weight of 148.12 g/mol. Its IUPAC name is 1-nitrosobenzotriazole.

What is 1-Nitroso-1H-benzo[d][1,2,3]triazole used for?

1-Nitroso-1H-benzo[d][1,2,3]triazole is supplied as a characterised reference material related to Netarsudil. 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-1H-benzo[d][1,2,3]triazole can I order?

We supply 1-Nitroso-1H-benzo[d][1,2,3]triazole 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-1H-benzo[d][1,2,3]triazole?

Yes. Every lot of 1-Nitroso-1H-benzo[d][1,2,3]triazole 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-1H-benzo[d][1,2,3]triazole be shipped internationally?

Yes. We export 1-Nitroso-1H-benzo[d][1,2,3]triazole worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.