Bis(4-chlorosulfonylphenyl)disulfide CAS 27738-91-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 27738-91-6 |
| Molecular Formula | C12H8Cl2O4S4 |
| Molecular Weight | 415.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Bis(4-chlorosulfonylphenyl)disulfide (CAS 27738-91-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H8Cl2O4S4. Molecular weight: 415.36 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H8Cl2O4S4 |
| Molecular Weight | 415.36 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 4 |
Related Bis Standards
Recommended Standards
- 3-Phenyl-6-(trifluoromethyl)-5-((3-(trifluoromethyl)benzyl)thio)-1,2,4-triazine (CAS 478048-13-4)
- N-(2,4-difluorophenyl)-1-(5-((4-fluorophenyl)thio)-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methanimine (CAS 477711-92-5)
- 2-(Pyridin-2-yl)-4-(trifluoromethyl)-6-({[3-(trifluoromethyl)phenyl]methyl}sulfanyl)pyrimidine (CAS 478030-82-9)
- Methyl 3-amino-2-[(4-methylphenyl)methyl]propanoate hydrochloride (CAS 1258651-97-6)
- Azelastine (CAS 58581-89-8)
- 2-(3,4-Dichlorophenyl)benzo[d]oxazol-5-amine (CAS 293737-85-6)
- (2-methoxyethyl)[(4-methyl-1,3-thiazol-5-yl)methyl]amine (CAS 1248069-31-9)
- 3-(2-(1H-Imidazol-5-yl)ethyl)pyridine (CAS 753449-59-1)
- (E)-4-((Benzylamino)methylene)-2-phenyloxazol-5(4H)-one (CAS 57784-74-4)
- Tirzepatide Impurity 33 (CAS CATO-C4X-324033)
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