7-Hydroxy-4-oxo-4H-chromene-3-carboxylic acid CAS 71345-97-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 71345-97-6 |
| Molecular Formula | C10H6O5 |
| Molecular Weight | 206.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 7-Hydroxy-4-oxo-4H-chromene-3-carboxylic acid (CAS 71345-97-6) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C10H6O5. Molecular weight: 206.15 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C10H6O5 |
| Molecular Weight | 206.15 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, ethanol, DMSO |
| 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.) | 1977 |
Related Hydroxy Standards
- 3-(5-Hydroxy-1,2,4-oxadiazol-3-yl)benzoic acid (CAS 1206894-79-2)
- 9-Hydroxy-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid (CAS 1256643-38-5)
- 8-Hydroxy-4-oxo-4H-chromene-2-carboxylic acid (CAS 129472-71-5)
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- 6-Hydroxy-4-oxo-4h-chromene-2-carboxylic acid (CAS 14718-40-2)
- 5-Hydroxy-4-oxo-4H-chromene-3-carboxylic acid (CAS 153474-16-9)
- 5-Hydroxy-3-(2-nitrophenyl)isoxazole (CAS 1593039-90-7)
Recommended Standards
- 7-Hydroxy-4-oxo-4h-chromene-2-carboxylic acid (CAS 30113-83-8)
- 7-Hydroxycoumarin-3-carboxylic Acid (CAS 779-27-1)
- 7-Hydroxy-2-oxo-2H-chromene-6-carboxylic acid (CAS 833-52-3)
- 1-Benzyl-3-methyl-1H-pyrazol-4-amine (CAS 1545268-43-6)
- Ethyl 2-(methylamino)butanoate (CAS 854855-88-2)
- Relugolix Impurity 159 (CAS CATO-C4X-2429159)
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- 2-Chloro-5-((piperidin-3-ylmethoxy)methyl)pyridine dihydrochloride (CAS 1185316-47-5)
- 2-Methoxy-4-(2,2,2-trifluoroacetyl)benzaldehyde (CAS 2231675-62-8)
- [Plus-β-Ala28]-Semaglutide (CAS CATO-C4X-2226221)
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