5-((p-Tolylthio)methyl)-2,4-dihydro-3H-pyrazol-3-one CAS 371218-02-9

Purity 97%+In StockPharmaceutical Standards
CAS No.371218-02-9
Molecular FormulaC11H12N2OS
Molecular Weight220.29 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-((p-Tolylthio)methyl)-2,4-dihydro-3H-pyrazol-3-one CAS 371218-02-9 chemical structure

Description

The occurrence of 5-((p-Tolylthio)methyl)-2,4-dihydro-3H-pyrazol-3-one is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 5-((p-Tolylthio)methyl)-2,4-dihydro-3H-pyrazol-3-one (CAS 371218-02-9), a certified reference material (molecular formula C11H12N2OS, MW 220.29 g/mol) for analytical method development and quality control.

Based on its molecular formula C11H12N2OS, 5-((p-Tolylthio)methyl)-2,4-dihydro-3H-pyrazol-3-one contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 220.29 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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

Molecular FormulaC11H12N2OS
Molecular Weight220.29 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms2
Sulfur Atoms1

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