Cyclopentylmethyl 4-methylbenzene-1-sulfonate CAS 21856-53-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21856-53-1 |
| Molecular Formula | C13H18O3S |
| Molecular Weight | 254.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Cyclopentylmethyl 4-methylbenzene-1-sulfonate (CAS 21856-53-1) pharmaceutical standards reference standard. Molecular formula: C13H18O3S. Molecular weight: 254.35 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C13H18O3S |
| Molecular Weight | 254.35 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Cyclohexyl p-toluenesulfonate (CAS 953-91-3)
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- Cyclohexa-2,5-dienecarboxylic acid (CAS 4794-04-1)
- Tetrahydro-2H-thiopyran-3-carboxylic acid (CAS 161404-76-8)
- 1-(2-Aminoethyl)-N,N-diethyl-1H-benzo[d][1,2,3]triazole-6-sulfonamide (CAS 1172828-53-3)
- 5-((3,4-Dimethylphenoxy)methyl)-1,3,4-thiadiazol-2-amine (CAS 123216-99-9)
- 7-Bromo-2,4-dichloropyrido[3,2-d]pyrimidine (CAS 1215074-41-1)
- 3-Hydroxypropyl methacrylate (CAS 2761-09-3)
- (4-(Benzo[d]oxazol-2-yl)phenyl)methanol (CAS 421553-38-0)
- Semaglutide impurity 96 (CAS CATO-C4X-222696)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com