Butyl p-toluenesulfonate CAS 778-28-9
Purity >95%In StockPharmaceutical Standards
| CAS No. | 778-28-9 |
| Molecular Formula | C11H16O3S |
| Molecular Weight | 228.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Butyl p-toluenesulfonate (CAS 778-28-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H16O3S. Molecular weight: 228.31 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H16O3S |
| Molecular Weight | 228.31 g/mol |
| Purity | >95% |
| 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.) | 1957 |
| Sulfur Atoms | 1 |
Recommended Standards
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- 6-Methyl-2-(5-nitrofuran-2-carboxamido)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxamide hydrochloride (CAS 1177444-66-4)
- 5-Ethyl-1-[4-(trifluoromethoxy)phenyl]-1H-1,2,3-triazole-4-carboxylic acid (CAS 1261366-04-4)
- Peptide Impurity 34 (CAS 21282-09-7)
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