Oxalacetic Acid CAS 328-42-7
Purity >95%In StockPharmaceutical Standards
| CAS No. | 328-42-7 |
| Molecular Formula | C4H4O5 |
| Molecular Weight | 132.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Oxalacetic Acid (CAS 328-42-7) pharmaceutical standards reference standard. Molecular formula: C4H4O5. Molecular weight: 132.07 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C4H4O5 |
| Molecular Weight | 132.07 g/mol |
| Purity | >95% |
| 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 |
Related Oxalacetic Standards
Recommended Standards
- 5-Hydroxymethyl-2-furaldehyde-13C6 (CAS 1219193-98-2)
- 3-Nitro-1,2,4-triazol-5-one (NTO) (CAS 932-64-9)
- cis-Epoxysuccinic Acid (CAS 16533-72-5)
- Methyl 4-iodo-1-propyl-1H-pyrazole-5-carboxylate (CAS 1354703-83-5)
- (S)-N-(3-Bromophenyl)-N'-cyano-2-methyl-4-(5-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)piperazine-1-carboximidamide (CAS 1116571-01-7)
- 2-(2-Amino-4-methoxyphenyl)acetic acid (CAS 744984-13-2)
- H-Tyr-OMe · HCl (CAS 3417-91-2)
- 4-(3-(2-Chloroethyl)ureido)benzene-1-sulfonyl fluoride (CAS 13908-52-6)
- 1-(4-Chloro-2-(trifluoromethyl)phenyl)piperazine (CAS 1121613-57-7)
- Semaglutide impurity 60 (CAS CATO-C4X-222660)
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