4-(2,3,4-Trimethoxyphenyl)but-3-en-2-one CAS 118709-62-9
| CAS No. | 118709-62-9 |
| Molecular Formula | C13H16O4 |
| Molecular Weight | 236.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 236.26 g/mol gives 4-(2,3,4-Trimethoxyphenyl)but-3-en-2-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(2,3,4-Trimethoxyphenyl)but-3-en-2-one (CAS 118709-62-9) is a high-purity analytical reference standard with the molecular formula C13H16O4 and a molecular weight of 236.26 g/mol.
Based on its molecular formula C13H16O4, 4-(2,3,4-Trimethoxyphenyl)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 236.26 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.
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 | C13H16O4 |
| Molecular Weight | 236.26 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.) | 1990 |
Related Trimethoxyphenyl Standards
- 2-(3,4,5-Trimethoxyphenyl)-2,3-dihydrofuran (CAS 117528-77-5)
- 4-(2,4,5-Trimethoxyphenyl)but-3-en-2-one (CAS 148775-26-2)
- 2-(2,3,4-Trimethoxyphenyl)cyclopropanecarbaldehyde (CAS 1707571-22-9)
- 2-(2,3,5-Trimethoxyphenyl)cyclopropanecarbaldehyde (CAS 1710833-70-7)
- 4-(2,4,6-Trimethoxyphenyl)but-3-en-2-one (CAS 42811-79-0)
- 5-(3,4,5-Trimethoxyphenyl)-3,4-dihydro-2h-pyrrole (CAS 98421-50-2)
- n-(3,4,5-Trimethoxyphenyl)prop-2-enamide (CAS 187932-66-7)
- 3-(3,4,5-Trimethoxyphenyl)acrylamide (CAS 5588-21-6)
Recommended Standards
- 2-(1,3-Dioxaindan-5-yl)-2-ethylbutanoic acid (CAS 1179291-42-9)
- Hydroxy-PEG3-ethyl acetate (CAS 118988-04-8)
- (1-(3,4-Difluorophenyl)-2,5-dimethyl-1h-pyrrol-3-yl)methanamine (CAS 1177287-57-8)
- Methyl 4-(2-ethoxyphenyl)-4-oxobutanoate (CAS 1192243-65-4)
- 2-Methyl-5-(3-(pyridin-2-yl)-1H-1,2,4-triazol-5-yl)-4-(trifluoromethyl)thiazole (CAS 344262-30-2)
- Methyl (R)-piperidine-2-carboxylate (CAS 43041-11-8)
- 3-Sulfamoyl-1-naphthoic acid (CAS 57223-07-1)
- 2-(6-Ethyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)acetonitrile (CAS 686333-94-8)
- (2E)-3-(Dimethylamino)-1-[2-(4-fluorophenyl)-4-methyl-1,3-thiazol-5-yl]prop-2-en-1-one (CAS 1382748-03-9)
- 2-Phenyl-3-(prop-2-en-1-yloxy)propanoic acid (CAS 1341148-38-6)
- (+)-Tianeptine Monosodium Salt (CAS 169293-32-7)
- (E)-4-{3-[(sec-Butylamino)carbonyl]anilino}-4-oxo-2-butenoic acid 3818AF 940498-87-3 C15H18N2O4 (CAS 940498-87-3)
- DDT (technical) (CAS 8017-34-3)
- Semaglutide Impurity 166 (CAS 1395881-03-4)
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