Methanesulfonic acid 4-chlorosulfonyl-phenyl ester CAS 77154-19-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 77154-19-9 |
| Molecular Formula | C7H7ClO5S2 |
| Molecular Weight | 270.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order Methanesulfonic acid 4-chlorosulfonyl-phenyl ester (CAS 77154-19-9) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C7H7ClO5S2. Molecular weight: 270.71 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C7H7ClO5S2 |
| Molecular Weight | 270.71 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
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Recommended Standards
- Ethyl 4-(4-chloro-2-methoxyphenyl)-4-oxobutanoate (CAS 951886-50-3)
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- 5-Chloroquinoline-7-carbonitrile (CAS 1256463-65-6)
- Acetyl Hexapeptide-39 (CAS 1382088-38-1)
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