4-(2-Carboxyethenyl)benzoic Acid Methyl Ester CAS 19473-96-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19473-96-2 |
| Molecular Formula | C11H10O4 |
| Molecular Weight | 206.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(2-Carboxyethenyl)benzoic Acid Methyl Ester (CAS 19473-96-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H10O4. Molecular weight: 206.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H10O4 |
| Molecular Weight | 206.19 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, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
Recommended Standards
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- 4,5-difluorobenzofuran-7-carboxylic acid (CAS 1935101-74-8)
- 4-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)-4-azatricyclo[5.2.1.0^{2,6}]dec-8-ene-3,5-dione (CAS 321998-77-0)
- 3-Chloro-4-hydroxypiperidin-2-one (CAS 174204-83-2)
- 2-Hydroxy-5,5-dimethylcyclohexane-1-carbonitrile (CAS 2090214-52-9)
- 1-[3-[2-[1-[(8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl]-2-hydroxy-ethylidene]hydrazino]propyl]pyrrole-2,5-dione (CAS 1618096-56-2)
- Sodium 1-amino-4-((4-(2-bromoacrylamido)-2-sulfonatophenyl)amino)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate (CAS 70209-99-3)
- 2-Bromo-4-iodopyrimidine (CAS 1034619-55-0)
- Semaglutide impurity 63 (CAS CATO-C4X-222663)
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