2-Phenylpyrazolo[1,5-b]pyridazine-3-carboxylic acid CAS 781674-55-3

Description

Compared with other compounds in its class, the molecular weight of 239.23 g/mol gives 2-Phenylpyrazolo[1,5-b]pyridazine-3-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-Phenylpyrazolo[1,5-b]pyridazine-3-carboxylic acid (CAS 781674-55-3) is a high-purity analytical reference standard with the molecular formula C13H9N3O2 and a molecular weight of 239.23 g/mol.

Based on its molecular formula C13H9N3O2, 2-Phenylpyrazolo[1,5-b]pyridazine-3-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 239.23 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Why CATO?

• ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
• 130,000+ catalog items in stock, COA supplied with every batch
• Worldwide shipping with full export documentation (HS code guidance available)
• Technical support: +86 18665070610 / Nicole.chen@cato-chem.com