3-Chloro-5-methylpyridin-2(1H)-one CAS 1261634-82-5
| CAS No. | 1261634-82-5 |
| Molecular Formula | C6H6ClNO |
| Molecular Weight | 143.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chloro-5-methylpyridin-2(1H)-one (CAS 1261634-82-5), molecular formula C6H6ClNO and molecular weight 143.57 g/mol, is a CATO reference standard with documented purity and traceability.
3-Chloro-5-methylpyridin-2(1H)-one (C6H6ClNO) contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-Chloro-5-methylpyridin-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.
Physical & Chemical Properties
| Molecular Formula | C6H6ClNO |
| Molecular Weight | 143.57 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 5-Chloro-6-methylpyridin-2-ol (CAS 103997-23-5)
- N-(3-Chloro-phenyl)hydroxylamine (CAS 10468-17-4)
- (5-Chloro pyrazin-2-yl) Methanamine (CAS 1060814-53-0)
- 4-Chloro-3-methylpyridine 1-Oxide (CAS 1073-34-3)
- 2-Chloro-3-hydrazinylpyridine (CAS 117087-45-3)
- 5-Chloro-2-methylpyridin-4(1H)-one (CAS 1196157-19-3)
- 2-Chloro-1-(1H-pyrrol-3-yl)ethanone (CAS 122450-28-6)
- 3-Chloro-2-methylpyridin-4-ol (CAS 1227499-23-1)
Recommended Standards
- 6-Chloro-3-methylpyridin-2-ol (CAS 1261576-82-2)
- 4-Chloro-5-hydroxy-2-methylpyridine (CAS 1261811-68-0)
- 4-Chloro-5-methylpyridin-3-ol (CAS 1261269-38-8)
- 5-Chloro-3-cyclopropyl-1H-1,2,4-triazole (CAS 1279219-26-9)
- N-(2-(1-Acetyl-5-(p-tolyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide (CAS 923680-58-4)
- N-(4-methoxybenzyl)propionamide (CAS 91247-21-1)
- 2-Propenoic acid, 2-methyl-, 2-hydroxyethyl ester, polymer with butyl 2-propenoate and ethenylbenzene (CAS 26916-03-0)
- 3-((4-Chloro-3-nitrophenyl)amino)-1-(thiophen-2-yl)propan-1-one (CAS 883794-08-9)
- Axitinib Impurity 21 (CAS CATO-C4X-107121)
- 4,5-Diamino-6-chloropyrimidine (CAS 4316-98-7)
- 2-(5-Amino-2-oxopiperidin-1-yl)-N-(oxetan-3-yl)propanamide (CAS 1706418-95-2)
- 1-(pyrrolidin-3-yl)piperidine (CAS 184970-32-9)
- H-Arg-Glu-OH (CAS 15706-89-5)
- D-[Ala]24-Semaglutide (CAS CATO-C4X-2226126)
Why CATO?
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