4-[(2E)-3-(3-Chlorophenyl)prop-2-enoyl]phenyl thiophene-2-carboxylate CAS 298215-98-2
| CAS No. | 298215-98-2 |
| Molecular Formula | C20H13ClO3S |
| Molecular Weight | 368.83 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-[(2E)-3-(3-Chlorophenyl)prop-2-enoyl]phenyl thiophene-2-carboxylate is closely related to a steroid core, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-[(2E)-3-(3-Chlorophenyl)prop-2-enoyl]phenyl thiophene-2-carboxylate (CAS 298215-98-2), molecular formula C20H13ClO3S and molecular weight 368.83 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-[(2E)-3-(3-Chlorophenyl)prop-2-enoyl]phenyl thiophene-2-carboxylate (C20H13ClO3S) contains a steroid core, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 368.83 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-[(2E)-3-(3-Chlorophenyl)prop-2-enoyl]phenyl thiophene-2-carboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C20H13ClO3S |
| Molecular Weight | 368.83 g/mol |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related E Standards
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Recommended Standards
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