5,11,17,23-Tetra-t-butyl-25,26,27,28-tetrahydroxycalix-4-arene stereoisomer CAS 157432-87-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 157432-87-6 |
| Molecular Formula | C44H56O4 |
| Molecular Weight | 648.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,11,17,23-Tetra-t-butyl-25,26,27,28-tetrahydroxycalix-4-arene stereoisomer (CAS 157432-87-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C44H56O4. Molecular weight: 648.91 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C44H56O4 |
| Molecular Weight | 648.91 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
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