3-(2-Chlorobenzenesulfonyl)-4,6-dimethyl-1,2-dihydropyridin-2-one CAS 338964-29-7
| CAS No. | 338964-29-7 |
| Molecular Formula | C13H12ClNO3S |
| Molecular Weight | 297.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-(2-Chlorobenzenesulfonyl)-4,6-dimethyl-1,2-dihydropyridin-2-one is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-(2-Chlorobenzenesulfonyl)-4,6-dimethyl-1,2-dihydropyridin-2-one (CAS 338964-29-7), molecular formula C13H12ClNO3S and molecular weight 297.76 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-(2-Chlorobenzenesulfonyl)-4,6-dimethyl-1,2-dihydropyridin-2-one (C13H12ClNO3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 297.76 g/mol, it falls into the medium-molecular-weight range. 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).
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 3-(2-Chlorobenzenesulfonyl)-4,6-dimethyl-1,2-dihydropyridin-2-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.
Physical & Chemical Properties
| Molecular Formula | C13H12ClNO3S |
| Molecular Weight | 297.76 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chlorobenzenesulfonyl Standards
- 3-(3-Chlorobenzenesulfonyl)-4,6-dimethyl-1,2-dihydropyridin-2-one (CAS 338964-30-0)
- 3-(4-Chlorobenzenesulfonyl)-5-methoxyaniline (CAS 832739-83-0)
- 9-(4-Chlorobenzenesulfonyl)-9-azabicyclo[6.1.0]nonane (CAS 873208-66-3)
- 1-(4-Chlorobenzenesulfonyl)-4-(propan-2-yl)benzene (CAS 883832-73-3)
- N-[2-(4-Chlorobenzenesulfonyl)ethyl]cyclohexanamine (CAS 860787-28-6)
- 1-(4-Chlorobenzenesulfonyl)-1H-pyrrolo[2,3-b]pyridine (CAS 477857-52-6)
- (2Z)-2-(4-Chlorobenzenesulfonyl)-3-(methylamino)-3-(methylsulfanyl)prop-2-enenitrile (CAS 1025276-52-1)
- 2-[1-(4-Chlorobenzenesulfonyl)piperidin-2-yl]ethan-1-amine (CAS 1828470-05-8)
Recommended Standards
- 3-((4-Chlorophenyl)sulfonyl)-4,6-dimethylpyridin-2(1H)-one (CAS 321431-06-5)
- 2-Chloro-7-methyl-4-morpholinothieno[3,2-d]pyrimidine-6-carbaldehyde (CAS 955979-02-9)
- 2,5-diamino-N-(2-chlorophenyl)benzenesulfonamide (CAS 328028-33-7)
- 3,4-Diamino-N-(2-chlorophenyl)benzenesulfonamide (CAS 326023-07-8)
- 5-((2-Nitrophenoxy)methyl)thiophene-2-carboxylic acid (CAS 934155-49-4)
- cyclo(Leu-Leu) (CAS 1436-27-7)
- Methyl 6-amino-3-chloropyridazine-4-carboxylate (CAS 1638764-77-8)
- [2,6-dinitro-4-(trifluoromethyl)phenyl]-Phosphonic acid, dipropyl ester (CAS 63245-91-0)
- Suvorexant Impurity 51 (CAS CATO-C4X-181251)
- 3-(2-Chlorophenyl)-5-[(E)-2-[(3,5-dichlorophenyl)amino]ethenyl]-1,2-oxazole-4-carbonitrile (CAS 320425-17-0)
- 3-Oxocyclohexanecarboxylic Acid (CAS 16205-98-4)
- 5-(2,6-Dimethylpyrimidin-4-yl)furan-2-carboxylic acid (CAS 1399657-67-0)
- (6-Oxaspiro[3.4]Octan-2-yl)methanamine (CAS 2241140-67-8)
- D-Lys20-Tirzepatide (CAS CATO-CPTD788914)
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