Phenolphthalein CAS 77-09-8
Purity >95%In StockPharmaceutical Standards
| CAS No. | 77-09-8 |
| Molecular Formula | C20H14O4 |
| Molecular Weight | 318.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Phenolphthalein (CAS 77-09-8) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C20H14O4. Molecular weight: 318.32 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C20H14O4 |
| Molecular Weight | 318.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Phenolphthalein Standards
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Recommended Standards
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- Liraglutide Impurity 16 TFA Salt (CAS CATO-C4X-199216)
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