Methyl 3-{2-[(2-{2-[(4-methoxyphenyl)sulfanyl]acetamido}phenyl)sulfanyl]acetamido}thiophene-2-carboxylate CAS 477887-75-5
| CAS No. | 477887-75-5 |
| Molecular Formula | C23H22N2O5S3 |
| Molecular Weight | 502.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 502.63 g/mol gives Methyl 3-{2-[(2-{2-[(4-methoxyphenyl)sulfanyl]acetamido}phenyl)sulfanyl]acetamido}thiophene-2-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Methyl 3-{2-[(2-{2-[(4-methoxyphenyl)sulfanyl]acetamido}phenyl)sulfanyl]acetamido}thiophene-2-carboxylate (CAS 477887-75-5), molecular formula C23H22N2O5S3 and molecular weight 502.63 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Methyl 3-{2-[(2-{2-[(4-methoxyphenyl)sulfanyl]acetamido}phenyl)sulfanyl]acetamido}thiophene-2-carboxylate (C23H22N2O5S3) 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 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 502.63 g/mol, it falls into the moderately-high-molecular-weight range. 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.
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.
Physical & Chemical Properties
| Molecular Formula | C23H22N2O5S3 |
| Molecular Weight | 502.63 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 3 |
Related Methyl Standards
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Recommended Standards
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- Semaglutide Impurity 186 (CAS CATO-C4X-2226186)
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