4-(tert-Butyl) 2-ethyl 6-iodo-4H-thieno[3,2-b]pyrrole-2,4-dicarboxylate CAS 2820190-47-2
| CAS No. | 2820190-47-2 |
| Molecular Formula | C14H16INO4S |
| Molecular Weight | 421.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4-(tert-Butyl) 2-ethyl 6-iodo-4H-thieno[3,2-b]pyrrole-2,4-dicarboxylate (CAS 2820190-47-2), molecular formula C14H16INO4S and molecular weight 421.25 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H16INO4S, 4-(tert-Butyl) 2-ethyl 6-iodo-4H-thieno[3,2-b]pyrrole-2,4-dicarboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 421.25 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.
Physical & Chemical Properties
| Molecular Formula | C14H16INO4S |
| Molecular Weight | 421.25 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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