4-Methyl-6-phenyl-3-(m-tolylsulfonyl)pyridin-2(1H)-one CAS 321431-40-7
| CAS No. | 321431-40-7 |
| Molecular Formula | C19H17NO3S |
| Molecular Weight | 339.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4-Methyl-6-phenyl-3-(m-tolylsulfonyl)pyridin-2(1H)-one 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.
4-Methyl-6-phenyl-3-(m-tolylsulfonyl)pyridin-2(1H)-one (CAS 321431-40-7), molecular formula C19H17NO3S and molecular weight 339.41 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Methyl-6-phenyl-3-(m-tolylsulfonyl)pyridin-2(1H)-one (C19H17NO3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 339.41 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H17NO3S |
| Molecular Weight | 339.41 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- 4-Methyl-3-(4-methylbenzenesulfonyl)-6-phenyl-1,2-dihydropyridin-2-one (CAS 338398-00-8)
- 5-(Benzenesulfonyl)-N,N-dimethyl-4-phenylpyrimidin-2-amine (CAS 339107-78-7)
- 4-Methyl-3-(2-methylbenzenesulfonyl)-6-phenyl-1,2-dihydropyridin-2-one (CAS 338964-35-5)
- 5-(N-butyl-N-ethylsulfamoyl)-3-methylbenzofuran-2-carboxylic acid (CAS 899710-19-1)
- 3-Hydroxyundecanoic Acid Methyl Ester (CAS 129758-71-0)
- 3,6-Dichloro-N-(2-methylnaphthalen-1-yl)benzo[b]thiophene-2-carboxamide (CAS 332156-46-4)
- (S)-2-Amino-2-(2,4-dichlorophenyl)acetic acid (CAS 936352-56-6)
- 1-Ethyl-4-(6-fluoro-5-methylpyridin-3-yl)piperidin-4-ol (CAS 1820674-37-0)
- 2-Ethyl-1-(2-nitrothiophen-3-yl)-1H-imidazole (CAS 501443-53-4)
- (9H-Fluoren-9-yl)methyl(piperidin-2-ylmethyl)carbamate (CAS 672310-15-5)
- 2-Methyl-3-oxo-1,2,3,4-tetrahydroisoquinoline-7-carbonitrile (CAS 1936259-77-6)
- 3-(Ethylthio)-2,2-dimethylpropanoic acid (CAS 1375457-40-1)
- tert-Butyl (4-(phenylamino)phenyl)carbamate (CAS 159451-37-3)
- Glucagon (19-29) (human, rat, porcine) (CAS 64790-15-4)
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