4-Ethyl-3-methyl-1-phenyl-1H-pyrazole-5-thiol CAS 478398-09-3

Purity 97%+In StockPharmaceutical Standards
CAS No.478398-09-3
Molecular FormulaC12H14N2S
Molecular Weight218.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Ethyl-3-methyl-1-phenyl-1H-pyrazole-5-thiol CAS 478398-09-3 chemical structure

Description

CATO manufactures 4-Ethyl-3-methyl-1-phenyl-1H-pyrazole-5-thiol 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.

CATO supplies 4-Ethyl-3-methyl-1-phenyl-1H-pyrazole-5-thiol (CAS 478398-09-3), a certified reference material (molecular formula C12H14N2S, MW 218.32 g/mol) for analytical method development and quality control.

Structurally, 4-Ethyl-3-methyl-1-phenyl-1H-pyrazole-5-thiol (C12H14N2S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 218.32 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

Physical & Chemical Properties

Molecular FormulaC12H14N2S
Molecular Weight218.32 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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