Tri-p-tolylsulfonium bromide CAS 3744-11-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 3744-11-4 |
| Molecular Formula | C21H21S Br |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Tri-p-tolylsulfonium bromide (CAS 3744-11-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H21S Br. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C21H21S Br |
| Molecular Weight | 385.36 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Recommended Standards
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- 4-(3-Fluoro-4-methylbenzoyl)-3-hydroxy-1-(3-methoxypropyl)-5-(4-nitrophenyl)-1H-pyrrol-2(5H)-one (CAS 618074-12-7)
- 4-(Pyrrolidin-3-yl)aniline (CAS 1203798-90-6)
- Enzalutamide Impurity 62 (CAS 1895865-08-3)
- Tirzepatide Impurity 57 (CAS CATO-C4X-324057)
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