2-Chloro-5-hydroxypyridine 1-oxide CAS 727736-64-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 727736-64-3 |
| Molecular Formula | C5H4ClNO2 |
| Molecular Weight | 145.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2-Chloro-5-hydroxypyridine 1-oxide (CAS 727736-64-3) pharmaceutical standards reference standard. Molecular formula: C5H4ClNO2. Molecular weight: 145.54 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
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.) | 1986 |
| 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-3-hydroxypyridin-4(1H)-one (CAS 1204295-69-1)
- 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)
Recommended Standards
- 2-Chloro-3-hydroxypyridine 1-oxide (CAS 30810-20-9)
- 2-Methyl-1,3-oxazole-4-carbonyl chloride (CAS 62348-22-5)
- 2-Chloro-1-(isoxazol-3-yl)ethanone (CAS 90251-23-3)
- 2,5-Dithiophen-2-yl-1,3,4-oxadiazole (CAS 24447-14-1)
- 4-[2-(4-Methoxy-phenyl)-ethyl]-piperidine 654662-60-9 7490AE C14H21NO (CAS 654662-60-9)
- 2-(4-Piperidinyl)ethyl 4-methoxybenzoate hydrochloride (CAS 1220021-18-0)
- N-(4-Bromophenyl)-5-(4-fluorophenyl)-1,3,4-thiadiazol-2-amine (CAS 827580-60-9)
- (6-Chloro-5-iodopyridin-3-yl)methanol (CAS 1360938-13-1)
- 2-Amino-1-(2-fluoro-5-methylphenyl)-4,5-dimethyl-1H-pyrrole-3-carbonitrile (CAS 1152656-50-2)
- Semaglutide impurity 56 (CAS CATO-C4X-222656)
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 13829788188 / jacky.chen@cato-chem.com