3-Fluoro-5-iodobenzenesulfonyl chloride CAS 1261837-80-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1261837-80-2 |
| Molecular Formula | C6H3ClFIO2S |
| Molecular Weight | 320.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
3-Fluoro-5-iodobenzenesulfonyl chloride (CAS 1261837-80-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H3ClFIO2S. Molecular weight: 320.51 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H3ClFIO2S |
| Molecular Weight | 320.51 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1990 |
| Halogen Content | F/Cl/I-containing |
| Sulfur Atoms | 1 |
Recommended Standards
- 7α,17α-Dimethyl-5β-androstane-3α,17β-diol (CAS 13611-10-4)
- (2a,3a,5a,17beta)-2,17-Dimethylandrostane-3,17-diol (CAS 1173998-58-7)
- cis-5,8,11-Eicosatrienoic acid methyl ester (CAS 14602-39-2)
- 5-Amino-N-(3-chloro-4-fluorophenyl)-3-ethylisoxazole-4-carboxamide (CAS 632291-66-8)
- 2-(Difluoromethoxy)-1-fluoro-4-nitrobenzene (CAS 97963-50-3)
- 5-Bromo-8-fluoro-2-methylquinoline (CAS 931414-04-9)
- 5-Ethynyl-3-methylpicolinic acid (CAS 1824321-79-0)
- 4-(4-Chlorophenyl)-5-(pyrrolidin-1-ylmethyl)-4h-1,2,4-triazole-3-thiol (CAS 790272-34-3)
- N-(6-Bromo-2-chloropyridin-3-yl)-N-(methylsulfonyl)methanesulfonamide (CAS 2643340-60-5)
- Semaglutide impurity 199 (CAS CATO-C4X-2226199)
Why CATO?
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