3,4-Dihydro-2H-1,5-benzodioxepine-7-sulfonyl chloride CAS 321309-38-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 321309-38-0 |
| Molecular Formula | C9H9ClO4S |
| Molecular Weight | 248.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,4-Dihydro-2H-1,5-benzodioxepine-7-sulfonyl chloride (CAS 321309-38-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H9ClO4S. Molecular weight: 248.68 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H9ClO4S |
| Molecular Weight | 248.68 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Dihydro Standards
- 2,3-dihydro-1,4-benzodioxin-2-ylmethanesulfonyl chloride (CAS 1018520-20-1)
- 3,4-dihydro-2H-1,5-benzodioxepine-6-sulfonyl chloride (CAS 1049731-09-0)
- 4-Methyl-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-7-sulfonyl chloride (CAS 910037-13-7)
- 1-{4-[(4-ethyl-4,5-dihydro-1,3-thiazol-2-yl)amino]phenyl}ethan-1-one (CAS 380346-04-3)
- 1-{4-[(5-ethyl-4,5-dihydro-1,3-thiazol-2-yl)amino]phenyl}ethan-1-one (CAS 854137-76-1)
- 2-(4-(6,7-Dihydro-5h-cyclopenta[d]pyrimidin-4-yl)piperazin-1-yl)ethan-1-ol (CAS 1375166-39-4)
- 2,5-Dihydro-3-(hydroxymethyl)-2,2,5,5-tetramethyl-4-(3-pyridinyl)-1H-pyrrol-1-yloxy (CAS 1379779-17-5)
- 1-(9,10-Dihydro-9,10-ethanoanthracen-11-yl)ethanone (CAS 6004-64-4)
Recommended Standards
- 3-(Difluoromethoxy)benzene-1-sulfonyl chloride (CAS 351003-38-8)
- 3-Acetyl-4-methoxybenzene-1-sulfonyl chloride (CAS 85276-43-3)
- 3-(chlorosulfonyl)-4-ethylbenzoic acid (CAS 500596-03-2)
- 4-((Chloromethyl)sulfonyl)thiomorpholine (CAS 1341587-61-8)
- N1-(2-(tert-Butyl)-2,6-dihydro-4H-thieno[3,4-c]pyrazol-3-yl)-N2-(3-ethoxypropyl)oxalamide (CAS 899756-35-5)
- 4-Ethoxy-N-(2-fluorobenzyl)aniline (CAS 1019490-81-3)
- 1-(2-iodo-3-methoxyphenyl)ethan-1-one (CAS 110718-83-7)
- Isopropyl 2-((4-amino-5-(4-chlorophenyl)-4H-1,2,4-triazol-3-yl)thio)acetate (CAS 577789-92-5)
- (3S)-3-Aminopyrrolidine Dihydrochloride (CAS 116183-83-6)
- Semaglutide impurity 26 (CAS CATO-C4X-222626)
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