(E)-3-(2,4,5-Trimethoxyphenyl)acrylic acid CAS 73490-49-0
| CAS No. | 73490-49-0 |
| Molecular Formula | C12H14O5 |
| Molecular Weight | 238.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 238.24 g/mol gives (E)-3-(2,4,5-Trimethoxyphenyl)acrylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies (E)-3-(2,4,5-Trimethoxyphenyl)acrylic acid (CAS 73490-49-0), a certified reference material (molecular formula C12H14O5, MW 238.24 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H14O5, (E)-3-(2,4,5-Trimethoxyphenyl)acrylic acid 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 238.24 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 | C12H14O5 |
| Molecular Weight | 238.24 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1977 |
Related E Standards
- (E)-3-(2,3,4-Trimethoxyphenyl)acrylic acid (CAS 116406-19-0)
- 3-(2,4,6-Trimethoxyphenyl)acrylic acid (CAS 13063-09-7)
- (E)-3-(2,4,6-Trimethoxyphenyl)acrylic acid (CAS 88053-10-5)
- 1-(3,4,5-Trimethoxyphenyl)propane-1,2-dione (CAS 91497-93-7)
- 3-(2,3,4-Trimethoxyphenyl)acrylic acid (CAS 33130-03-9)
- 2-Methyl-2-(3,4,5-trimethoxyphenyl)propanal (CAS 19589-25-4)
- 1-(2,4,5-Trimethoxyphenyl)butan-1-one (CAS 2020-73-7)
- 3-(2,4,6-Trimethoxyphenyl)butan-2-one (CAS 26537-69-9)
Recommended Standards
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