(3,5-Dimethylcyclopenta-2,5-diene-1,2-diyl)dibenzene CAS 4916-74-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4916-74-9 |
| Molecular Formula | C19H18 |
| Molecular Weight | 246.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(3,5-Dimethylcyclopenta-2,5-diene-1,2-diyl)dibenzene (CAS 4916-74-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H18. Molecular weight: 246.35 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H18 |
| Molecular Weight | 246.35 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
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