8-Ethyl-2,3-dihydro-7-hydroxy-5-methoxy-2-methyl-4H-1-benzopyran-4-one CAS 159686-25-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 159686-25-6 |
| Molecular Formula | C13H16O4 |
| Molecular Weight | 236.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 8-Ethyl-2,3-dihydro-7-hydroxy-5-methoxy-2-methyl-4H-1-benzopyran-4-one (CAS 159686-25-6) pharmaceutical standards reference standard. Molecular formula: C13H16O4. Molecular weight: 236.26 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C13H16O4 |
| Molecular Weight | 236.26 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
Related Ethyl Standards
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- Butyl 2,3-dihydro-1,4-benzodioxine-2-carboxylate (CAS 27943-02-8)
- 5-(2,3-Dihydro-1,4-benzodioxin-2-yl)-1,3,4-oxadiazole-2(3H)-thione (CAS 120423-45-2)
- 5-(5,6-Dihydro-4h-cyclopenta[b]thiophen-2-yl)-1,2,4-oxadiazole-3-carboxylic acid (CAS 1343173-43-2)
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- 1-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1H-tetrazole-5-thiol (CAS 460362-91-8)
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Recommended Standards
- Ibuprofen Carboxylic Acid (CAS 15935-54-3)
- tert-Butyl 4-(aminomethyl)-3,3-difluoropyrrolidine-1-carboxylate (CAS 1627595-60-1)
- 1,5-Anhydro-4,6-O-benzylidene-3-deoxy-D-glucitol (CAS 152613-20-2)
- 2-(2,4,6-Trimethyl-1H-indol-3-yl)acetic acid (CAS 6949-71-9)
- tert-Butyl (R)-(1-(3-bromophenyl)-2-hydroxyethyl)carbamate (CAS 380610-92-4)
- 5-(((Benzyloxy)carbonyl)amino)-6-(trifluoromethyl)picolinic acid (CAS 2580201-41-6)
- 2-Chloro-5-(3,4-dihydro-2H-pyrrol-5-yl)-3-methylpyridine (CAS 1352518-81-0)
- 1-Ethynyl-4-isopropylbenzene (CAS 23152-99-0)
- 3-(2-Furanylmethyl)-2,3,5,6,7,8-hexahydro-7-methyl-2-thioxo[1]benzothieno[2,3-d]pyrimidin-4(1H)-one (CAS 775315-18-9)
- Semaglutide impurity 106 (CAS CATO-C4X-2226106)
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