3-(Triphenylphosphonio)propane-1-sulfonic acid tosylate CAS 439937-65-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 439937-65-2 |
| Molecular Formula | C21H22O3PS C7H7O3S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 3-(Triphenylphosphonio)propane-1-sulfonic acid tosylate (CAS 439937-65-2) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C21H22O3PS C7H7O3S. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C21H22O3PS C7H7O3S |
| Molecular Weight | 556.63 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Sulfur Atoms | 2 |
Related Triphenylphosphonio Standards
Recommended Standards
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- 3-(2,5-Dimethyl-1H-pyrrol-1-yl)-3-(4-fluorophenyl)propanoic acid (CAS 866040-75-7)
- 2-Mercapto-6,7-dihydro-5H-cyclopenta[d]pyrimidine-5-carboxylic acid (CAS 1550998-57-6)
- 9-(4-Fluorobenzyl)-9H-purin-6-amine (CAS 213528-06-4)
- 1-Acetyl-4-pyridin-3-ylmethyl-[1,4]diazepane-6-carboxylic acid (CAS 1316223-23-0)
- Somatostatin Impurity 8 (CAS CATO-C4X-23508)
- Tirzepatide Impurity 46 (CAS CATO-C4X-324046)
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)
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