| CAS No. | 340216-06-0 |
| Molecular Formula | C12H13IO4 |
| Molecular Weight | 348.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
3-(3-Ethoxy-5-iodo-4-methoxyphenyl)acrylic acid (CAS 340216-06-0), molecular formula C12H13IO4 and molecular weight 348.13 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H13IO4, 3-(3-Ethoxy-5-iodo-4-methoxyphenyl)acrylic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, iodine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 348.13 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 3-(3-Ethoxy-5-iodo-4-methoxyphenyl)acrylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C12H13IO4 |
| Molecular Weight | 348.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | I-containing |