4-Chlorobenzene-1,3-disulfonyl dichloride CAS 2891-17-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2891-17-0 |
| Molecular Formula | C6H3Cl3O4S2 |
| Molecular Weight | 309.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chlorobenzene-1,3-disulfonyl dichloride (CAS 2891-17-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H3Cl3O4S2. Molecular weight: 309.57 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H3Cl3O4S2 |
| Molecular Weight | 309.57 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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.) | 1957 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Chlorobenzene Standards
- 2-Chlorobenzene-1,3,5-trisulfonyl trifluoride (CAS 1342799-69-2)
- 3-acetyl-4-chlorobenzene-1-sulfonyl chloride (CAS 1152558-91-2)
- P-Chlorobenzene Arsonic Acid (CAS 5440-04-0)
- 5-acetyl-2-chlorobenzene-1-sulfonamide (CAS 2350-44-9)
- Ethyl 4-chlorobenzene-1-sulfonate (CAS 20443-71-4)
- 3-Chlorobenzene-1-sulfonyl isocyanate (CAS 68984-05-4)
- 4-chlorobenzene-1-sulfonyl azide (CAS 4547-68-6)
- 2-Chlorobenzene-1,3,5-trisulfonyl trichloride (CAS 627062-06-0)
Recommended Standards
- 4-Aminomethyl-2-bromo-3-cyanobenzenesulfonyl chloride (CAS 1807009-97-7)
- 6-(3,4,5-Trichlorophenyl)-6-oxohexanoic acid (CAS 951891-76-2)
- 4-(Aminomethyl)-5-bromo-2-cyanobenzene-1-sulfonyl chloride (CAS 1806856-56-3)
- 1-(3-Bromophenyl)cyclobutanecarboxylic Acid (CAS 926261-31-6)
- 3-(3-Ethoxyphenyl)-1h-pyrazol-5-amine (CAS 502132-94-7)
- N-[3-(Isopentyloxy)benzyl]-2-methoxyaniline (CAS 1040684-20-5)
- n-(2-Chlorobenzyl)-1h-imidazole-1-carboxamide (CAS 1087788-45-1)
- 2,2,7-Trimethylchroman-4-amine (CAS 112225-65-7)
- γ-Linolenyl Alcohol (CAS 24149-05-1)
- Neuroendocrine Regulatory Peptide-1 (human) (H-6622.1000) (CAS 954420-50-9)
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