(3,5-Di-tert-butyl-4-hydroxyphenyl)(phenyl)methanone CAS 7175-89-5
| CAS No. | 7175-89-5 |
| Molecular Formula | C21H26O2 |
| Molecular Weight | 310.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (3,5-Di-tert-butyl-4-hydroxyphenyl)(phenyl)methanone.
(3,5-Di-tert-butyl-4-hydroxyphenyl)(phenyl)methanone (CAS 7175-89-5) is a high-purity analytical reference standard with the molecular formula C21H26O2 and a molecular weight of 310.43 g/mol.
Based on its molecular formula C21H26O2, (3,5-Di-tert-butyl-4-hydroxyphenyl)(phenyl)methanone contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 310.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C21H26O2 |
| Molecular Weight | 310.43 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
Recommended Standards
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