Methyl 2-(6-chloro-7-hydroxy-2-oxo-2h-chromen-4-yl)acetate CAS 72304-22-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 72304-22-4 |
| Molecular Formula | C12H9ClO5 |
| Molecular Weight | 268.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 2-(6-chloro-7-hydroxy-2-oxo-2h-chromen-4-yl)acetate (CAS 72304-22-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H9ClO5. Molecular weight: 268.65 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H9ClO5 |
| Molecular Weight | 268.65 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, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | Cl-containing |
Related Methyl Standards
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- 3-Chloro-6,7-dimethoxyquinoxaline-2-carboxylic acid (CAS 122234-54-2)
- 6-Chloro-7-ethoxy-2-oxo-2H-chromene-3-carboxylic acid (CAS 1352503-73-1)
- Ethyl 7-chloro-5-nitro-1H-indole-2-carboxylate (CAS 1352899-64-9)
- 2-((3-Chloro-4-methyl-2-oxo-2H-chromen-7-yl)oxy)acetic acid (CAS 176446-74-5)
- 5-Chloro-6-methoxy-4-methyl-8-nitroquinolin-2(1H)-one (CAS 189746-23-4)
- 5-Chloro-4-(fluorosulfonyl)-2-methoxybenzoic acid (CAS 1955558-41-4)
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Recommended Standards
- Ethyl 5-chloro-7-nitro-1H-indole-2-carboxylate (CAS 91119-27-6)
- N-(6-chloropyridin-3-yl)-3,4-difluorobenzamide (CAS 325457-89-4)
- ETHYL 2-(5-CHLORO-2-NITROPHENYL)-2-CYANOACETATE (CAS 62567-91-3)
- Ethyl 2-(4,6-dichloropyrimidin-2-yl)acetate (CAS 63155-10-2)
- Aligeron (CAS 70713-45-0)
- 2-Chloro-6-fluoro-3-(trifluoromethyl)phenol (CAS 1254781-50-4)
- 5-Methoxy-4-methyl-3-nitropyridin-2-amine (CAS 1003711-16-7)
- 6,7-Dihydro-5H-cyclopenta[c]pyridine-3,7-diamine dihydrochloride (CAS 2096419-51-9)
- 1-isopropyltriazole (CAS 499132-20-6)
- Tirzepatide Impurity 20 (CAS CATO-C4X-324020)
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