5-(1-((4-Chlorophenyl)sulfonyl)-1H-pyrazol-3-yl)-2-phenylthiazole CAS 318255-91-3

Purity 97%+In StockPharmaceutical Standards
CAS No.318255-91-3
Molecular FormulaC18H12ClN3O2S2
Molecular Weight401.89 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-(1-((4-Chlorophenyl)sulfonyl)-1H-pyrazol-3-yl)-2-phenylthiazole CAS 318255-91-3 chemical structure

Description

5-(1-((4-Chlorophenyl)sulfonyl)-1H-pyrazol-3-yl)-2-phenylthiazole (CAS 318255-91-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H12ClN3O2S2. Molecular weight: 401.89 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC18H12ClN3O2S2
Molecular Weight401.89 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms3
Sulfur Atoms2

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