Ethyl 2-(4'-(3-methyl-4-(phenylsulfonamido)isoxazol-5-yl)-[1,1'-biphenyl]-4-yl)acetate CAS 1423683-55-9
| CAS No. | 1423683-55-9 |
| Molecular Formula | C26H24N2O5S |
| Molecular Weight | 476.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 476.54 g/mol gives Ethyl 2-(4'-(3-methyl-4-(phenylsulfonamido)isoxazol-5-yl)-[1,1'-biphenyl]-4-yl)acetate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 2-(4'-(3-methyl-4-(phenylsulfonamido)isoxazol-5-yl)-[1,1'-biphenyl]-4-yl)acetate (CAS 1423683-55-9), molecular formula C26H24N2O5S and molecular weight 476.54 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C26H24N2O5S, Ethyl 2-(4'-(3-methyl-4-(phenylsulfonamido)isoxazol-5-yl)-[1,1'-biphenyl]-4-yl)acetate contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 476.54 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), Ethyl 2-(4'-(3-methyl-4-(phenylsulfonamido)isoxazol-5-yl)-[1,1'-biphenyl]-4-yl)acetate 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 | C26H24N2O5S |
| Molecular Weight | 476.54 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
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- Ru(dpp)3(PF6)2 (CAS 123148-15-2)
- Semaglutide Impurity 10 (CAS CATO-C4X-222610)
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