| CAS No. | 1138140-78-9 |
| Molecular Formula | C4H4O5 Ca H2O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
High-purity Butanedioic acid, 2-hydroxy-, calcium salt, hydrate (1:1:1) (CAS 1138140-78-9) pharmaceutical standards reference standard. Molecular formula: C4H4O5 Ca H2O. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
| Molecular Formula | C4H4O5 Ca H2O |
| Molecular Weight | 190.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1989 |