(2-Methanesulfonylphenyl)methanesulfonyl chloride CAS 83055-85-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 83055-85-0 |
| Molecular Formula | C8H9ClO4S2 |
| Molecular Weight | 268.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2-Methanesulfonylphenyl)methanesulfonyl chloride (CAS 83055-85-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H9ClO4S2. Molecular weight: 268.74 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H9ClO4S2 |
| Molecular Weight | 268.74 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.) | 1980 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Methanesulfonylphenyl Standards
- (3-methanesulfonylphenyl)methanesulfonyl chloride (CAS 1368630-29-8)
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Recommended Standards
- (2E)-2-(4-Chlorophenyl)-3-[(4-methylphenyl)amino]prop-2-enenitrile (CAS 338402-87-2)
- (E)-[1-(4-Chlorophenyl)-2-(morpholin-4-yl)ethylidene](methoxy)amine (CAS 478043-65-1)
- (2E)-2-(4-Chlorophenyl)-3-[(3-methylphenyl)amino]prop-2-enenitrile (CAS 338403-06-8)
- 2-chloro-N-(2,3,4,5,6-pentafluorophenyl)propanamide (CAS 1235441-08-3)
- Methyl 3-hydrazinylpropanoate (CAS 129564-37-0)
- 1-(Aminomethyl)naphthalene Hydrochloride (CAS 39110-74-2)
- 2-(1H-benzo[d][1,2,3]triazol-1-yl)-1-(4-chlorophenyl)ethan-1-one (CAS 124041-74-3)
- 4-((4-(4-Bromo-1H-pyrazol-1-yl)phenyl)sulfonyl)morpholine (CAS 1187385-89-2)
- 3-Cyclopropoxy-2-ethyl-4-fluoropyridine (CAS 1243310-48-6)
- Semaglutide impurity 237 (CAS CATO-C4X-2226237)
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