(3E)-3-[(3,4-Dihydroxyphenyl)methylene]-2,3-dihydro-7-hydroxy-4H-1-benzopyran-4-one CAS 104778-14-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 104778-14-5 |
| Molecular Formula | C16H12O5 |
| Molecular Weight | 284.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(3E)-3-[(3,4-Dihydroxyphenyl)methylene]-2,3-dihydro-7-hydroxy-4H-1-benzopyran-4-one (CAS 104778-14-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C16H12O5. Molecular weight: 284.26 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C16H12O5 |
| Molecular Weight | 284.26 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.) | 1986 |
Related E Standards
- 2-(3,4-Dihydroxyphenyl)-3-hydroxy-6-methyl-4H-1-benzopyran-4-one (CAS 260063-32-9)
- 3-(2,4-Dihydroxyphenyl)-7-methoxy-4H-chromen-4-one (CAS 7622-53-9)
- (E)-3-(3,4-Dihydroxyphenyl)-1-(2-hydroxy-4,5-dimethylphenyl)prop-2-en-1-one 1313738-88-3 3675AD C17H16O4 (CAS 1313738-88-3)
- (E)-3-(3,4-dihydroxyphenyl)-1-(2-hydroxy-4,5-dimethylphenyl)prop-2-en-1-one (CAS 1353223-54-7)
- (2Z)-2-[(3,4-dihydroxyphenyl)methylidene]-4,6-dihydroxy-1-benzofuran-3(2H)-one 38216-54-5 CHEBI:18149 aureusidin (CAS 38216-54-5)
- 1-(2,4-Dihydroxyphenyl)-3-(3-hydroxy-4-methoxyphenyl)prop-2-en-1-one (CAS 13323-67-6)
- 1-(2,4-Dihydroxyphenyl)-2-(2,3,6-trimethylphenoxy)ethan-1-one (CAS 781655-73-0)
- 1-(2,4-Dihydroxyphenyl)-2-(4-isopropylphenoxy)ethan-1-one (CAS 201284-86-8)
Recommended Standards
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- 2-(1-(4-Aminophenyl)piperidin-4-yl)ethan-1-ol (CAS 211247-53-9)
- Syringoyl Methyl Ketone (CAS 6925-65-1)
- 6-Hydroxyspiro[2.5]octane-6-carbonitrile (CAS 2021603-49-4)
- Des-Ala35-Tirzepatide (CAS CATO-CPTD788939)
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