Thymolphthalein CAS 125-20-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 125-20-2 |
| Molecular Formula | C28H48O4 |
| Molecular Weight | 448.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Thymolphthalein (CAS 125-20-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C28H48O4. Molecular weight: 448.68 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C28H48O4 |
| Molecular Weight | 448.68 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Thymolphthalein Standards
Recommended Standards
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com