(3-(1,3-Dioxolan-2-yl)phenyl)(2,5-dimethylphenyl)methanone CAS 898779-36-7
| CAS No. | 898779-36-7 |
| Molecular Formula | C18H18O3 |
| Molecular Weight | 282.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C18H18O3, (3-(1,3-Dioxolan-2-yl)phenyl)(2,5-dimethylphenyl)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 282.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
(3-(1,3-Dioxolan-2-yl)phenyl)(2,5-dimethylphenyl)methanone (CAS 898779-36-7), molecular formula C18H18O3 and molecular weight 282.33 g/mol, is a CATO reference standard with documented purity and traceability.
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 | C18H18O3 |
| Molecular Weight | 282.33 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related Dioxolan Standards
- (3-(1,3-Dioxolan-2-yl)phenyl)(2,3-dimethylphenyl)methanone (CAS 898779-30-1)
- (3-(1,3-Dioxolan-2-yl)phenyl)(2,4-dimethylphenyl)methanone (CAS 898779-33-4)
- (4-(1,3-Dioxolan-2-yl)phenyl)(2,3-dimethylphenyl)methanone (CAS 898760-16-2)
- (4-(1,3-Dioxolan-2-yl)phenyl)(2,6-dimethylphenyl)methanone (CAS 898760-25-3)
- (4-(1,3-Dioxolan-2-yl)phenyl)(3,5-dimethylphenyl)methanone (CAS 898760-31-1)
- 1-(5-(1,3-Dioxolan-2-yl)thiophen-2-yl)heptane-1,6-dione (CAS 898772-68-4)
- 1-(5-(1,3-Dioxolan-2-yl)thiophen-2-yl)-2-ethylhexan-1-one (CAS 898772-98-0)
- 1-(5-(1,3-Dioxolan-2-yl)thiophen-2-yl)-2-propylpentan-1-one (CAS 898773-00-7)
Recommended Standards
- (3aS,4R,9bR)-4-(4-Hydroxyphenyl)-1,2,3,3a,4,9b-hexahydrocyclopenta[c]chromen-8-ol (CAS 533884-09-2)
- (3S,4R)-1-(tert-butyl)-4-(2,4-difluorophenyl)pyrrolidine-3-carboxamide (CAS 782482-55-7)
- (2E)-3-(4-Ethoxyphenyl)-1-(4-methoxyphenyl)prop-2-en-1-one (CAS 74280-20-9)
- (2E)-3-(4-Ethoxyphenyl)-1-(3-methoxyphenyl)prop-2-en-1-one (CAS 358656-50-5)
- 3-(Tert-butylsulfamoyl)-4-fluorobenzoic acid (CAS 926245-18-3)
- 2-Methylamine-4,6-dimethylnicotinamide (CAS 276873-05-3)
- Methyl 2-Methyl-1,2,3-triazole-4-carboxylate (CAS 105020-39-1)
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