5,7-Dimethoxy-4-oxo-4H-chromene-2-carboxylic acid CAS 54880-49-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 54880-49-8 |
| Molecular Formula | C12H10O6 |
| Molecular Weight | 250.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,7-Dimethoxy-4-oxo-4H-chromene-2-carboxylic acid (CAS 54880-49-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H10O6. Molecular weight: 250.20 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H10O6 |
| Molecular Weight | 250.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
Related Dimethoxy Standards
- 6,7-Dimethoxy-2-oxo-2H-chromene-3-carboxylic acid (CAS 86100-68-7)
- 6,7-Dimethoxy-4-oxo-3,4-dihydrophthalazine-1-carboxylic acid (CAS 1432752-16-3)
- 4,5-Dimethoxy-2-(1H-tetrazol-1-yl)benzoic acid (CAS 462068-55-9)
- 6,7-Dimethoxy-3-nitroquinolin-4-ol (CAS 205448-44-8)
- 3,4-Dimethoxy-2-(trifluoromethyl)benzoic acid (CAS 1338709-29-7)
- Methyl 6,7-dimethoxy-1-oxo-2,3-dihydro-1H-indene-4-carboxylate (CAS 1092348-87-2)
- Methyl 5,6-dimethoxy-1-oxo-2,3-dihydro-1H-indene-2-carboxylate (CAS 119035-03-9)
- Methyl 2-(5,6-dimethoxy-2H-indazol-3-yl)acetate (CAS 183315-95-9)
Recommended Standards
- 5-(Carboxymethoxy)-2-methylbenzofuran-3-carboxylic acid (CAS 82039-80-3)
- 6-(2,2,2-Trifluoroethyl)thieno[2,3-d]pyrimidine-2,4-diol (CAS 2055107-42-9)
- 5-((3-(Trifluoromethyl)-1h-pyrazol-1-yl)methyl)-1,3,4-oxadiazole-2-thiol (CAS 877977-57-6)
- 2-(Aminomethyl)-6-isopropylpyrimidin-4-ol (CAS 1339734-60-9)
- 1-[5-(trifluoromethyl)pyridin-2-yl]-1h-1,2,3-triazole-4-carboxylic acid (CAS 1211585-92-0)
- 3-Chloro-4-iodo-2-methoxypyridine (CAS 1227603-07-7)
- (2r)-1-(3-Methylbenzoyl)pyrrolidine-2-carboxylic acid (CAS 1354970-89-0)
- 2,4,6-Trichloro-5-(trifluoromethyl)pyrimidine (CAS 1658428-08-0)
- 2,2,2-Trifluoro-1-(4-(1,1,2,2-tetrafluoroethoxy)phenyl)ethan-1-one (CAS 1417517-38-4)
- Neuropeptide K (human, porcine, rat) trifluoroacetate salt (CAS 96827-05-3)
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