Ethyl 2-cyano-3-(3,4-dihydroxyphenyl)acrylate CAS 126716-40-3
| CAS No. | 126716-40-3 |
| Molecular Formula | C12H11NO4 |
| Molecular Weight | 233.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Ethyl 2-cyano-3-(3,4-dihydroxyphenyl)acrylate (C12H11NO4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 233.22 g/mol, it falls into the medium-molecular-weight range. 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).
Ethyl 2-cyano-3-(3,4-dihydroxyphenyl)acrylate (CAS 126716-40-3), molecular formula C12H11NO4 and molecular weight 233.22 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 | C12H11NO4 |
| Molecular Weight | 233.22 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 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 1 |
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- 4-bromo-5-nitro-thiophene-2-carbaldehyde (CAS 41498-07-1)
- Methyl 2-(1,4-dimethyl-1H-imidazol-5-yl)acetate (CAS 19673-81-5)
- 5-((1H-Imidazol-2-yl)thio)-2-nitroaniline (CAS 55564-49-3)
- 6-IOdo-imidazo[1,2-a]pyridine-8-carboxylic acid methyl ester (CAS 1822851-54-6)
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- Semaglutide Impurity 2 (CAS CATO-C4X-22262)
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