58320-73-3 Polyethylene glycol monomethyl ether p-toluenesulfonate, M.W. 5.000 MFCD00025910 CAS 58320-73-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 58320-73-3 |
| Molecular Formula | C10H14O4S |
| Molecular Weight | 230.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
58320-73-3 Polyethylene glycol monomethyl ether p-toluenesulfonate, M.W. 5.000 MFCD00025910 (CAS 58320-73-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H14O4S. Molecular weight: 230.28 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H14O4S |
| Molecular Weight | 230.28 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Sulfur Atoms | 1 |
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- Semaglutide impurity 26 (CAS CATO-C4X-222626)
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