4-(4-Hydroxy-3,5-dimethylphenyl)but-3-en-2-one CAS 500902-78-3
| CAS No. | 500902-78-3 |
| Molecular Formula | C12H14O2 |
| Molecular Weight | 190.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4-(4-Hydroxy-3,5-dimethylphenyl)but-3-en-2-one (CAS 500902-78-3), molecular formula C12H14O2 and molecular weight 190.24 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H14O2, 4-(4-Hydroxy-3,5-dimethylphenyl)but-3-en-2-one contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 190.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H14O2 |
| Molecular Weight | 190.24 g/mol |
| Appearance | Off-white to pale 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
Related Hydroxy Standards
- N-hydroxy-1-phenylcyclobutane-1-carboximidamide (CAS 1053657-11-6)
- 1-(4-Hydroxy-7-methyl-2,3-dihydro-1H-inden-5-yl)ethan-1-one (CAS 175136-13-7)
- 7-Hydroxy-3,4,6-trimethyl-2,3-dihydro-1H-inden-1-one (CAS 19723-30-9)
- (E)-4-Hydroxy-4-methyl-1-phenylpent-1-en-3-one (CAS 63677-96-3)
- 1-(1-Hydroxy-5,6,7,8-tetrahydronaphthalen-2-yl)ethanone (CAS 95517-07-0)
- 1-(3-Hydroxy-5,6,7,8-tetrahydronaphthalen-2-yl)ethan-1-one (CAS 40420-05-1)
- 4-Ethyl-7-hydroxy-3-methyl-2,3-dihydro-1H-inden-1-one (CAS 203383-75-9)
- 4-Hydroxy-3-(3-methylbut-2-en-1-yl)benzaldehyde (CAS 54730-30-2)
Recommended Standards
- 4-(4,4-Dimethyl-4,5-dihydrooxazol-2-yl)aniline (CAS 69876-88-6)
- 4-(5-Vinylpyridin-2-yl)morpholine (CAS 223556-21-6)
- 4-(4-(Methoxymethyl)phenyl)but-3-en-2-one (CAS 95068-13-6)
- 4-(Aminomethyl)-1-phenylpyrrolidin-2-one (CAS 688305-30-8)
- Isoquinoline-1-carbothioamide (CAS 435273-39-5)
- 4-Ethoxy-6-(pyridin-2-yl)-1,6-dihydro-1,3,5-triazin-2-amine (CAS 783247-61-0)
- (3-Bromo-6-chloro-2-fluorophenyl)boronic acid (CAS 1451393-00-2)
- 6-Chloropyridazine-3-carbonitrile (CAS 35857-89-7)
- (5,6,7,8-Tetrahydro-4H-cyclohepta[d]isoxazol-3-yl)methanol (CAS 1440961-92-1)
- N-(2-aminoethyl)-2,1,3-benzothiadiazole-4-sulfonamide (CAS 1010922-27-6)
- 4-cyclopropylbut-3-yn-2-one (CAS 681432-95-1)
- 6-((4-Chlorophenyl)sulfonyl)-1-oxa-6-azaspiro[2.5]Octane (CAS 861212-71-7)
- 2-(2,2-Dimethylmorpholino)ethanol (CAS 83497-79-4)
- Calcium-Like Peptide 3 (CAS 261969-05-5)
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