| CAS No. | 27825-09-8 |
| Molecular Formula | C22H22N4O2 |
| Molecular Weight | 374.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
1,1'-(5,5'-Diphenyl-3,3',4,4'-tetrahydro-2H,2'H-[3,3'-bipyrazole]-2,2'-diyl)diethanone (CAS 27825-09-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H22N4O2. Molecular weight: 374.44 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
| Molecular Formula | C22H22N4O2 |
| Molecular Weight | 374.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 4 |