4A3-SC7 CAS 1857340-77-2
Purity ≥95%In StockPharmaceutical Standards
| CAS No. | 1857340-77-2 |
| Molecular Formula | C71H131N3O16S4 |
| Molecular Weight | 1411.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4A3-SC7 (CAS 1857340-77-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C71H131N3O16S4. Molecular weight: 1411.07 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C71H131N3O16S4 |
| Molecular Weight | 1411.07 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 4 |
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Why CATO?
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