5,7-Dihydroxy-2-(2-hydroxyphenyl)-4H-chromen-4-one CAS 73046-40-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 73046-40-9 |
| Molecular Formula | C15H10O5 |
| Molecular Weight | 270.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,7-Dihydroxy-2-(2-hydroxyphenyl)-4H-chromen-4-one (CAS 73046-40-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H10O5. Molecular weight: 270.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H10O5 |
| Molecular Weight | 270.24 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
Related Dihydroxy Standards
- 4,5-Dihydroxy-1-(hydroxymethyl)anthracene-9,10-dione (CAS 128341-04-8)
- 1,6-Dihydroxy-2-methoxyanthracene-9,10-dione (CAS 142878-32-8)
- 1,5-Dihydroxy-2-methoxyanthracene-9,10-dione (CAS 157029-68-0)
- 1,4-Dihydroxy-2-(hydroxymethyl)anthracene-9,10-dione (CAS 22296-59-9)
- 1,4-Dihydroxy-6-methoxyanthracene-9,10-dione (CAS 72473-66-6)
- 1,5-Dihydroxy-3-(hydroxymethyl)anthracene-9,10-dione (CAS 59190-73-7)
- 5,7-Dihydroxy-2-(3-hydroxyphenyl)-4H-chromen-4-one (CAS 72472-92-5)
- 7,8-Dihydroxy-2-(2-hydroxyphenyl)-4H-chromen-4-one (CAS 263407-44-9)
Recommended Standards
- 5-(4-Methoxyphenoxy)isobenzofuran-1,3-dione (CAS 63196-11-2)
- 4-Methyl-2-oxo-2H-chromen-7-yl furan-2-carboxylate (CAS 87468-02-8)
- 5-Methyl-2-(4-nitrophenyl)imidazo[1,2-a]pyrimidin-7(1H)-one (CAS 65791-88-0)
- 2-(4-fluorophenyl)cyclopentan-1-one (CAS 1014718-61-6)
- 6-Methoxy-1H-indole-2-carbonyl chloride (CAS 1260764-44-0)
- Dibutyl L-(+)-Tartrate (CAS 87-92-3)
- 1-(2,7-Diazaspiro[4.4]nonan-2-yl)ethan-1-one (CAS 1181335-25-0)
- (S)-2-(2-(4-Fluorophenyl)benzo[d]oxazol-5-yl)propanoic acid (CAS 66934-18-7)
- 7-Bromo-1,2,3,4-tetrahydro-pyrido[2,3-b]pyrazine (CAS 52333-31-0)
- Integrin Binding Peptide trifluoroacetate salt (CAS 278792-07-7)
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