4-Methyl-6-phenyl-6H-pyrazolo[4,3-d]isothiazole CAS 62947-14-2

Purity 97%+In StockPharmaceutical Standards
CAS No.62947-14-2
Molecular FormulaC11H9N3S
Molecular Weight215.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Methyl-6-phenyl-6H-pyrazolo[4,3-d]isothiazole CAS 62947-14-2 chemical structure

Description

The occurrence of 4-Methyl-6-phenyl-6H-pyrazolo[4,3-d]isothiazole is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

4-Methyl-6-phenyl-6H-pyrazolo[4,3-d]isothiazole (CAS 62947-14-2) is a high-purity analytical reference standard with the molecular formula C11H9N3S and a molecular weight of 215.27 g/mol.

Based on its molecular formula C11H9N3S, 4-Methyl-6-phenyl-6H-pyrazolo[4,3-d]isothiazole contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 215.27 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures 4-Methyl-6-phenyl-6H-pyrazolo[4,3-d]isothiazole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC11H9N3S
Molecular Weight215.27 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1974
Nitrogen Atoms3
Sulfur Atoms1

Recommended Standards

Why CATO?