2-(Difluoromethoxy)-5-methoxybenzene-1-sulfonyl chloride CAS 1154355-35-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1154355-35-7 |
| Molecular Formula | C8H7ClF2O4S |
| Molecular Weight | 272.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(Difluoromethoxy)-5-methoxybenzene-1-sulfonyl chloride (CAS 1154355-35-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H7ClF2O4S. Molecular weight: 272.65 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H7ClF2O4S |
| Molecular Weight | 272.65 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.) | 1989 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related Difluoromethoxy Standards
- 3-(Difluoromethoxy)-4-methoxybenzenesulfonyl chloride (CAS 929341-67-3)
- 5-(Difluoromethoxy)-2-methoxybenzenesulfonyl chloride (CAS 929341-63-9)
- 2-(6-(Difluoromethoxy)-5-methoxy-1h-indazol-3-yl)acetic acid (CAS 1306604-65-8)
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- Methyl 4-(3-(difluoromethoxy)phenyl)-2,4-dioxobutanoate (CAS 832741-03-4)
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- 1-Difluoromethoxy-2-nitro-3-(trifluoromethoxy)benzene (CAS 1803825-59-3)
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Recommended Standards
- Rufinamide Impurity 7 (CAS CATO-C4X-23397)
- 3-Chloro-N-phenyl-5-(trifluoromethyl)-2-pyridinamine (CAS 1163681-50-2)
- Ethyl 3-(2-chloro-5-nitropyridin-4-yl)-2-oxopropanoate (CAS 800401-66-5)
- 1,5-Naphthyridine-2,7-diamine (CAS 1509360-66-0)
- 6-Fluoroisoquinoline-4-carboxylic acid (CAS 2169007-97-8)
- Z-Trp-Bt (CAS 850232-59-6)
- 5-bromo-1-cyclopentyl-1H-pyrazolo[3,4-b]pyridine (CAS 1016771-98-4)
- 2,6-Dimethylisonicotinic Acid Hydrochloride (CAS 857363-49-6)
- 3,6-dimethyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 1227268-91-8)
- Des-Ser34-Gly33Tirzepatide (CAS CATO-CPTD788941)
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