| CAS No. | 332053-33-5 |
| Molecular Formula | C30H27N3O3S2 |
| Molecular Weight | 541.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 541.68 g/mol gives Ethyl 2-(2-((3-cyano-4-phenyl-6-(p-tolyl)pyridin-2-yl)thio)acetamido)-4,5-dimethylthiophene-3-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 2-(2-((3-cyano-4-phenyl-6-(p-tolyl)pyridin-2-yl)thio)acetamido)-4,5-dimethylthiophene-3-carboxylate (CAS 332053-33-5), molecular formula C30H27N3O3S2 and molecular weight 541.68 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Ethyl 2-(2-((3-cyano-4-phenyl-6-(p-tolyl)pyridin-2-yl)thio)acetamido)-4,5-dimethylthiophene-3-carboxylate (C30H27N3O3S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 19.0, corresponding to approximately 19 ring(s) or double-bond equivalent(s). With a molecular weight of 541.68 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
| Molecular Formula | C30H27N3O3S2 |
| Molecular Weight | 541.68 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) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |