Ethyl 2-({7-hydroxy-3-[(4-methoxyphenyl)carbamoyl]-2H-chromen-2-ylidene}amino)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate CAS 330663-43-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 330663-43-9 |
| Molecular Formula | C28H26N2O6S |
| Molecular Weight | 518.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 2-({7-hydroxy-3-[(4-methoxyphenyl)carbamoyl]-2H-chromen-2-ylidene}amino)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate (CAS 330663-43-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C28H26N2O6S. Molecular weight: 518.58 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C28H26N2O6S |
| Molecular Weight | 518.58 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Deshydroxyethoxy-2,3-O-(dimethylmethylene) Ticagrelor (CAS 274693-49-1)
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- Methyl 4-hydroxyisoquinoline-7-carboxylate (CAS 2506275-16-5)
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- 4-Methyl-8-phenylpyrazolo[5,1-c][1,2,4]triazine-3-carbonitrile (CAS 1306739-47-8)
- 4-Methyl-2-(2-methyltetrahydrofuran-3-yl)oxazole-5-carboxylic acid (CAS 1516655-85-8)
- Diethyl 2-{[(trifluoromethyl)sulfonyl]amino}malonate (CAS 1155138-70-7)
- Semaglutide impurity 66 (CAS CATO-C4X-222666)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com