596-27-0
XOU2D9049G
Cresolphthalein
o-Cresolphthalein
3,3-Bis(4-hydroxy-m-tolyl)phthalide
1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-3-methylphenyl)-
Phenolphthalein, 3',3''-dimethyl-
5-18-04-00193 (Beilstein Handbook Reference)
BRN 0310554
3',3''-Dimethylphenolphthalein
EINECS 209-881-8
UNII-XOU2D9049G CAS 596-27-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 596-27-0 |
| Molecular Formula | C22H36O4 |
| Molecular Weight | 364.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
Order 596-27-0
XOU2D9049G
Cresolphthalein
o-Cresolphthalein
3,3-Bis(4-hydroxy-m-tolyl)phthalide
1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-3-methylphenyl)-
Phenolphthalein, 3',3''-dimethyl-
5-18-04-00193 (Beilstein Handbook Reference)
BRN 0310554
3',3''-Dimethylphenolphthalein
EINECS 209-881-8
UNII-XOU2D9049G (CAS 596-27-0) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C22H36O4. Molecular weight: 364.52 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C22H36O4 |
| Molecular Weight | 364.52 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 |
Recommended Standards
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- Semaglutide impurity 205 (CAS CATO-C4X-2226205)
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