6-Chloro-3-(3,4-dimethoxyphenyl)-4-methyl-2H-chromen-2-one CAS 720674-87-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 720674-87-3 |
| Molecular Formula | C18H15ClO4 |
| Molecular Weight | 330.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Chloro-3-(3,4-dimethoxyphenyl)-4-methyl-2H-chromen-2-one (CAS 720674-87-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H15ClO4. Molecular weight: 330.76 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H15ClO4 |
| Molecular Weight | 330.76 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
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- 2-bromo-7-fluoro-1,3-benzothiazole (CAS 1188130-52-0)
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