3-Oxocyclobutane-1-sulfonyl chloride CAS 2090334-26-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2090334-26-0 |
| Molecular Formula | C4H5ClO3S |
| Molecular Weight | 168.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 3-Oxocyclobutane-1-sulfonyl chloride (CAS 2090334-26-0) pharmaceutical standards reference standard. Molecular formula: C4H5ClO3S. Molecular weight: 168.60 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C4H5ClO3S |
| Molecular Weight | 168.60 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Oxocyclobutane Standards
- 3-oxocyclobutane-1,1-dicarboxylic acid (CAS 129314-76-7)
- 3-Oxocyclobutane-1,2-dicarboxylic acid (CAS 2231673-47-3)
- Ethyl 2-oxocyclobutane-1-carboxylate (CAS 213478-56-9)
- 1-methyl-3-oxocyclobutane-1-carboxylic acid (CAS 286442-89-5)
- Methyl 2-oxocyclobutane-1-carboxylate (CAS 52903-53-4)
- 3-Oxocyclobutane-1-carboxamide (CAS 1261999-31-8)
- 1-methyl-2-oxocyclobutane-1-carbonitrile (CAS 287958-89-8)
- 1-methyl-3-oxocyclobutane-1-carbonitrile (CAS 32082-17-0)
Recommended Standards
- 2-chloro-5-fluoro-4-methoxy-pyrimidine (CAS 37554-70-4)
- Erdosteine impurity 14 (CAS CATO-C4X-196314)
- 2-Chloro-1-ethynyl-4-fluoro-3-methylbenzene (CAS 2470437-90-0)
- methyl 5-(2-cyanophenyl)-1H-pyrazole-3-carboxylate (CAS 1035235-09-6)
- 2,3,6-Trimethyl-5-nitro-1H-indole (CAS 289685-81-0)
- ABTS (CAS 30931-67-0)
- N-(4-bromo-3-methylphenyl)tetrahydro-2H-pyran-4-carboxamide (CAS 1094378-03-6)
- (4-Bromo-3-nitrophenyl)(phenyl)methanone (CAS 56107-03-0)
- 2-Amino-2-(1,5-dimethyl-1h-pyrazol-4-yl)ethan-1-ol (CAS 1485390-36-0)
- Semaglutide impurity 236 (CAS CATO-C4X-2226236)
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