| CAS No. | 729574-24-7 |
| Molecular Formula | C15H14Cl2N2O4S |
| Molecular Weight | 389.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO manufactures {3-[(3,4-Dichloro-phenylcarbamoyl)-methyl]-4-oxo-thiazolidin-2-ylidene}-acetic acid ethyl ester 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.
{3-[(3,4-Dichloro-phenylcarbamoyl)-methyl]-4-oxo-thiazolidin-2-ylidene}-acetic acid ethyl ester (CAS 729574-24-7), molecular formula C15H14Cl2N2O4S and molecular weight 389.25 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C15H14Cl2N2O4S, {3-[(3,4-Dichloro-phenylcarbamoyl)-methyl]-4-oxo-thiazolidin-2-ylidene}-acetic acid ethyl ester contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 389.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
| Molecular Formula | C15H14Cl2N2O4S |
| Molecular Weight | 389.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |