2,3,4'-Triphenyl-hexahydro-2H-spiro[1,2-benzoxazole-4,2'-[1,3,4]triazolidine]-5'-one CAS 321521-68-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 321521-68-0 |
| Molecular Formula | C26H26N4O2 |
| Molecular Weight | 426.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,3,4'-Triphenyl-hexahydro-2H-spiro[1,2-benzoxazole-4,2'-[1,3,4]triazolidine]-5'-one (CAS 321521-68-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C26H26N4O2. Molecular weight: 426.51 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C26H26N4O2 |
| Molecular Weight | 426.51 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
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- N-(4-((3,5-Dichlorophenyl)thio)phenyl)cyclopropanecarboxamide (CAS 1956317-89-7)
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