2-Chloro-3-hydroxypyridin-4(1H)-one CAS 1204295-69-1
| CAS No. | 1204295-69-1 |
| Molecular Formula | C5H4ClNO2 |
| Molecular Weight | 145.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 145.54 g/mol gives 2-Chloro-3-hydroxypyridin-4(1H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Chloro-3-hydroxypyridin-4(1H)-one (CAS 1204295-69-1) is a high-purity analytical reference standard with the molecular formula C5H4ClNO2 and a molecular weight of 145.54 g/mol.
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, 2-Chloro-3-hydroxypyridin-4(1H)-one is typically off-white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 145.54 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
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 2-Chloro-3-hydroxypyridin-4(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 | C5H4ClNO2 |
| Molecular Weight | 145.54 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 3-Chloro-6-hydroxypyridin-2(1H)-one (CAS 103792-71-8)
- 3-Chloro-1H-pyrrole-2-carboxylic acid (CAS 1053658-09-5)
- 2-Chloro-1-oxazol-2-yl-ethanone (CAS 1211536-43-4)
- 2-Chloro-1-oxazol-4-yl-ethanone (CAS 1216314-67-8)
- 5-Chloro-3-methyl-1,2-oxazole-4-carbaldehyde (CAS 1314901-77-3)
- 6-Chloro-3-hydroxypyridin-2(1H)-one (CAS 1420535-82-5)
- 2-Chloro-1-(oxazol-5-yl)ethan-1-one (CAS 1421314-19-3)
- 4-Chloro-6-hydroxypyridin-2(1H)-one (CAS 1823272-62-3)
Recommended Standards
- 6-Chloropyridine-3,4-diol (CAS 1196156-68-9)
- 4-Methylisoxazole-5-carbonyl chloride (CAS 1108713-21-8)
- 2-Chloropyridine-3,5-diol (CAS 1227573-04-7)
- 3-Chloropyridine-2,4-diol (CAS 103792-81-0)
- tert-butyl 3-(3-ethoxy-3-oxo-prop-1-ynyl)-3-hydroxy-azetidine-1-carboxylate (CAS 936850-13-4)
- 2-Chloro-N-(3-methoxybenzyl)pyrimidine-5-sulfonamide (CAS 1184605-40-0)
- 2-(3,5-Dimethyl-1H-pyrazol-1-yl)-N,N-dimethylaniline (CAS 832723-60-1)
- 7-Bromo-[1,2,3]triazolo[1,5-a]pyridine (CAS 107465-26-9)
- 6-Chloro-N4-methylpyrimidine-2,4-diamine (CAS 1005-37-4)
- n-(2-Benzoylphenyl)-3-chloropropanamide (CAS 950029-14-8)
- Methyl 2-({2-[(Z)-2-(2,4-dinitrophenyl)hydrazono]propyl}sulfanyl)acetate (CAS 866153-53-9)
- 4-Methoxy-3-methylbutan-2-ol (CAS 1344094-45-6)
- Benzoic acid, 4-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]- (CAS 135240-95-8)
- Des-Leu26-Tirzepatide (CAS CATO-CPTD788947)
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