5-(4-Ethoxyphenyl)-3-(thiophen-2-ylmethylene)furan-2(3H)-one CAS 6781-91-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 6781-91-5 |
| Molecular Formula | C17H14O3S |
| Molecular Weight | 298.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(4-Ethoxyphenyl)-3-(thiophen-2-ylmethylene)furan-2(3H)-one (CAS 6781-91-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H14O3S. Molecular weight: 298.36 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H14O3S |
| Molecular Weight | 298.36 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 5-(4-Aminophenyl)-N-(4-methoxyphenyl)-1,3,4-thiadiazol-2-amine (CAS 478692-06-7)
- 5-(Methylsulfonyl)-1,3-diphenyl-1H-pyrazole (CAS 871110-23-5)
- 5-(3-Hydroxyphenyl)-8-thia-4,6-diazatricyclo[7.4.0.0,2,7]trideca-1(9),2(7),5-trien-3-one (CAS 357618-26-9)
- 2563-26-0 4,5-Dibromobenzene-1,2-diol 8501AD C6H4Br2O2 (CAS 2563-26-0)
- 2,3,3',4,4'-Pentachlorobiphenyl 13C12 (CAS 208263-62-1)
- 6-chloro-1-iodoimidazo[1,5-a]pyridine (CAS 1426424-81-8)
- 2,8-Dichloroquinazolin-4-amine (CAS 1107694-84-7)
- n-(4-Bromophenyl)-2-(ethylamino)acetamide (CAS 730997-94-1)
- 2-(5-Isopropylbenzofuran-3-yl)acetic acid (CAS 890587-56-1)
- Semaglutide impurity 51 (CAS CATO-C4X-222651)
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