33446-14-9 4-(4-methoxy-3-methylphenyl)-4-oxobutanoic acid DTXSID40390356 CAS 33446-14-9
| CAS No. | 33446-14-9 |
| Molecular Formula | C12H14O4 |
| Molecular Weight | 222.24 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.
33446-14-9 4-(4-methoxy-3-methylphenyl)-4-oxobutanoic acid DTXSID40390356 (CAS 33446-14-9) is a high-purity analytical reference standard with the molecular formula C12H14O4 and a molecular weight of 222.24 g/mol.
Based on its molecular formula C12H14O4, 33446-14-9 4-(4-methoxy-3-methylphenyl)-4-oxobutanoic acid DTXSID40390356 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 222.24 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).
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 | C12H14O4 |
| Molecular Weight | 222.24 g/mol |
| Appearance | Off-white to pale 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
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Recommended Standards
- 3-Hydroxy 5-Dibenzosuberenone 3-hydroxy-5H-Dibenzo[a,d]cyclohepten-5-one 30235-46-2 (CAS 30235-46-2)
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- 3-Isobutyl-1-Methylxanthine (CAS 28822-58-4)
- 3-Nitrophenyl 4-piperidinyl ether 586412-89-7 6100AE C11H14N2O3 (CAS 586412-89-7)
- 1-(3-(Chloromethyl)-4-morpholinophenyl)pyrrolidin-2-one (CAS 943513-64-2)
- 5-(tert-Butyl)-4-cyclopropoxy-N,N-dimethylnicotinamide (CAS 1243444-36-1)
- Ethyl 5-(chlorocarbonyl)-1-methyl-1h-pyrazole-3-carboxylate (CAS 1197231-79-0)
- (4S)-4-(hydroxymethyl)oxolan-2-one (CAS 80656-71-9)
- 1-(4-Methoxyphenethyl)-3-(2-(pyrrolidin-1-yl)-2-(thiophen-3-yl)ethyl)urea (CAS 1171585-47-9)
- 1-(5-(1,3-Dioxolan-2-yl)pyridin-3-yl)ethan-1-one (CAS 1211526-30-5)
- N-(5-Methyl-1,2-oxazol-3-yl)-2-(morpholin-4-yl)acetamide (CAS 297149-99-6)
- 2-(4-Methoxyphenoxy)propanehydrazide (CAS 213412-32-9)
- Disodium boranocarbonate (CAS 17363-08-5)
- Custom peptides (CAS CATO-CPTD788509)
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