Mesoxalic acid CAS 473-90-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 473-90-5 |
| Molecular Formula | C3H2O5 |
| Molecular Weight | 118.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Mesoxalic acid (CAS 473-90-5) pharmaceutical standards reference standard. Molecular formula: C3H2O5. Molecular weight: 118.04 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C3H2O5 |
| Molecular Weight | 118.04 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
- 1,1,3,3-Tetrafluorodimethyl ether (CAS 1691-17-4)
- Fumaric acid-2,3-<SUP>13</SUP>C<SUB>2</SUB> (CAS 123548-45-8)
- 1,1,2,2-Tetrafluoro-ethanol (CAS 136195-17-0)
- 2-(4-(Difluoromethyl)phenyl)acetonitrile (CAS 1000529-64-5)
- 3,5-Dimethyl-1-(2-methylpropyl)-1h-pyrazole-4-sulfonyl chloride (CAS 1156602-97-9)
- ZK 93426 Hydrochloride (CAS 1216792-30-1)
- (3-((2,5-Dihydro-1H-pyrrol-1-yl)methyl)phenyl)(2,6-dimethylphenyl)methanone (CAS 898790-22-2)
- 4-Chloro-2-fluoro-5-methylphenylacetic acid (CAS 1805227-33-1)
- (1s,3r)-3-(Trifluoromethyl)cyclohexan-1-amine (CAS 1821723-27-6)
- Semaglutide impurity 233 (CAS CATO-C4X-2226233)
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