3-Chloro-5-iodobenzenesulfonyl chloride CAS 1261497-71-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1261497-71-5 |
| Molecular Formula | C6H3Cl2IO2S |
| Molecular Weight | 336.96 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chloro-5-iodobenzenesulfonyl chloride (CAS 1261497-71-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H3Cl2IO2S. Molecular weight: 336.96 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H3Cl2IO2S |
| Molecular Weight | 336.96 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 | Cl/I-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-chloro-4-iodobenzene-1-sulfonyl chloride (CAS 1099660-72-6)
- 3-Chloro-4-iodobenzenesulfonyl chloride (CAS 1261580-79-3)
- 4-Chloro-2-iodobenzenesulfonyl chloride (CAS 1261730-58-8)
- 4-Chloro-1-[tris(propan-2-yl)silyl]-1H-pyrrolo[2,3-b]pyridine-5-carbaldehyde (CAS 924655-39-0)
- 6-Chloro-4-[(3-methoxyphenyl)methoxy]-2-methyl-3,4,4a,8a-tetrahydro-2H-1-benzothiopyran (CAS 1005082-26-7)
- 2-Chloro-N-[4-(4-hexylphenyl)-1,3-thiazol-2-yl]acetamide (CAS 565191-93-7)
- 2-Chloro-n-hexyl-n-(4-phenyl-1,3-thiazol-2-yl)acetamide (CAS 746630-76-2)
- 5-Chloro-2,4-di(pent-1-yn-1-yl)-6-(p-tolyl)pyrimidine (CAS 1296787-93-3)
Recommended Standards
- 6-Bromo-3-iodo-1-methyl-1H-indazole (CAS 1260741-78-3)
- 6-Bromo-3-iodo-7-methylimidazo[1,2-a]pyridine (CAS 1246184-61-1)
- 6-Bromo-3-iodo-2-methylimidazo[1,2-a]pyridine (CAS 1246184-50-8)
- 3-[(4-Bromobenzyl)oxy]piperidine hydrochloride (CAS 1219976-73-4)
- 4-Methoxy-[1,1'-biphenyl]-3-carboxylic acid (CAS 107410-07-1)
- DL-Arabitol (CAS 2152-56-9)
- [(E)-(pyridin-3-ylmethylidene)amino]urea (CAS 13370-80-4)
- 4,5-Dichloro-2-[(2Z)-2-(4-chlorophenyl)-2-(methoxyimino)ethyl]-2,3-dihydropyridazin-3-one (CAS 477855-41-7)
- 4-Chloro-5-(difluoromethyl)-3-methylpyridine-2-sulfonyl chloride (CAS 1805381-14-9)
- (Pro3)-Gastric Inhibitory Polypeptide (human) trifluoroacetate salt (CAS 299898-52-5)
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