Pigment Red 57 CAS 5858-81-1
Purity >95%In StockPharmaceutical Standards
| CAS No. | 5858-81-1 |
| Molecular Formula | C18H12N2O6S 2*Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Pigment Red 57 (CAS 5858-81-1) pharmaceutical standards reference standard. Molecular formula: C18H12N2O6S 2*Na. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C18H12N2O6S 2*Na |
| Molecular Weight | 407.35 g/mol |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Why CATO?
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