Ethyl 3-((4-(4-acetylphenyl)piperazin-1-yl)sulfonyl)benzo[b]thiophene-2-carboxylate CAS 932303-70-3
| CAS No. | 932303-70-3 |
| Molecular Formula | C23H24N2O5S2 |
| Molecular Weight | 472.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Ethyl 3-((4-(4-acetylphenyl)piperazin-1-yl)sulfonyl)benzo[b]thiophene-2-carboxylate is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Ethyl 3-((4-(4-acetylphenyl)piperazin-1-yl)sulfonyl)benzo[b]thiophene-2-carboxylate (CAS 932303-70-3), molecular formula C23H24N2O5S2 and molecular weight 472.58 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Ethyl 3-((4-(4-acetylphenyl)piperazin-1-yl)sulfonyl)benzo[b]thiophene-2-carboxylate (C23H24N2O5S2) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 472.58 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 Ethyl 3-((4-(4-acetylphenyl)piperazin-1-yl)sulfonyl)benzo[b]thiophene-2-carboxylate 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.
Physical & Chemical Properties
| Molecular Formula | C23H24N2O5S2 |
| Molecular Weight | 472.58 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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 |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Ethyl Standards
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Recommended Standards
- 5,6-Diamino-N,N,N',N'-tetraethyl-rhodamin (CAS 261351-45-5)
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- N1,N1'-(1,4-Phenylene)bis(N1-(4-aminophenyl)benzene-1,4-diamine) (CAS 3283-07-6)
- 2-(Chloromethyl)-6-(4-chlorophenyl)-3h,4h-thieno[3,2-d]pyrimidin-4-one (CAS 851398-76-0)
- 12009-36-8 Barium telluride Barium telluride (BaTe) EINECS 234-548-9 (CAS 12009-36-8)
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- 1,2-Bis(trifluoromethyl)-3,6-dibromobenzene (CAS 1806861-02-8)
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- Linagliptin impurity 149 (CAS CATO-C4X-1101149)
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