4-Chloro-3-methylphenyl methanesulfonate CAS 90555-52-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 90555-52-5 |
| Molecular Formula | C8H9ClO3S |
| Molecular Weight | 220.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-3-methylphenyl methanesulfonate (CAS 90555-52-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H9ClO3S. Molecular weight: 220.67 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H9ClO3S |
| Molecular Weight | 220.67 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 |
| 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.) | 1982 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
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Recommended Standards
- 4-(2-Chloroethyl)benzenesulfonic acid (CAS 7296-73-3)
- 1-(chloro(phenyl)methyl)-4-fluorobenzene (CAS 365-21-9)
- 3-Methoxy-5-methylbenzenesulfonyl chloride (CAS 861560-21-6)
- 2-Amino-3,5-difluorobenzyl Alcohol (CAS 1378824-82-8)
- 3-[3-(2-methoxyethoxy)phenyl]prop-2-yn-1-ol (CAS 1178764-00-5)
- Glauberite (CAS 13767-89-0)
- N-((1,3-Dimethyl-1H-pyrazol-4-yl)methyl)-2-oxo-2H-chromene-3-carboxamide (CAS 1171191-22-2)
- 2-Methoxy-6-(trifluoromethyl)pyridine-4-acetonitrile (CAS 1227574-12-0)
- (R)-3-(pyrrolidin-2-ylmethoxy)pyridine (CAS 161416-94-0)
- Palmitoyl Hexapeptide-12 (CAS 171263-26-6)
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