6-Chloro-4-hydroxy-5-methylpyridin-2(1H)-one CAS 89379-84-0
| CAS No. | 89379-84-0 |
| Molecular Formula | C6H6ClNO2 |
| Molecular Weight | 159.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Chloro-4-hydroxy-5-methylpyridin-2(1H)-one (C6H6ClNO2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; 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).
6-Chloro-4-hydroxy-5-methylpyridin-2(1H)-one (CAS 89379-84-0) is a high-purity analytical reference standard with the molecular formula C6H6ClNO2 and a molecular weight of 159.57 g/mol.
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 6-Chloro-4-hydroxy-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 | C6H6ClNO2 |
| Molecular Weight | 159.57 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
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Recommended Standards
- 6-Chloro-2-(methylamino)pyrimidin-4(3H)-one (CAS 98025-14-0)
- dimethyl-1,3-oxazole-5-carbonyl chloride (CAS 69695-18-7)
- 5-Ethylisoxazole-4-carbonyl chloride (CAS 99803-82-4)
- Methyl 3-chloro-1H-pyrrole-2-carboxylate (CAS 226410-00-0)
- 1,3-Diethyl-2,3-dihydro-1H-imidazole (CAS 676999-65-8)
- 4-(2-furylmethyl)-5-piperidin-1-yl-4H-1,2,4-triazole-3-thiol (CAS 923695-90-3)
- 2-amino-N-ethyl-N-methylpropanamide hydrochloride (CAS 1796908-56-9)
- OTs-C6-OBn (CAS 126519-80-0)
- 2-Hydroxy-4,4,6,6-tetramethylcyclohex-2-enone (CAS 64637-01-0)
- Ethyl 2-((5-((3-methylphenyl)sulfonamido)-1H-1,2,4-triazol-3-yl)thio)acetate (CAS 866010-90-4)
- 1-(Tert-butyl)-1h-imidazo[4,5-c]pyridine-2-thiol (CAS 1520747-34-5)
- (5-(2,4-Dichlorophenyl)furan-2-yl)methanol (CAS 292644-30-5)
- Ethyl (2-iodobenzoyl)glycinate (CAS 333349-48-7)
- Fragment-[7-31]-Liraglutide (CAS CATO-C4X-199239)
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