4,7-Dihydroxy-3-(2-methoxyphenyl)-2H-chromen-2-one CAS 21229-16-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21229-16-3 |
| Molecular Formula | C16H12O5 |
| Molecular Weight | 284.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,7-Dihydroxy-3-(2-methoxyphenyl)-2H-chromen-2-one (CAS 21229-16-3) 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.) | 1963 |
Related Dihydroxy Standards
- 1,3-Dihydroxy-8-methoxy-6-methylanthracene-9,10-dione (CAS 3775-08-4)
- 1,4-Dihydroxy-5-methoxy-2-methylanthracene-9,10-dione (CAS 71786-00-0)
- 1,6-Dihydroxy-5-methoxy-2-methylanthracene-9,10-dione (CAS 64809-71-8)
- 1,8-Dihydroxy-2-methoxy-3-methylanthracene-9,10-dione (CAS 74272-75-6)
- 1,8-Dihydroxy-3-(hydroxymethyl)-6-methylanthracene-9,10-dione (CAS 873431-39-1)
- 2',4'-Dihydroxy-3,4-methylenedioxychalcone (CAS 6962-62-5)
- 3,5-Dihydroxy-7-methoxy-2-phenyl-4H-chromen-4-one (CAS 480-14-8)
- 4,7-Dihydroxy-3-(4-methoxyphenyl)-2h-chromen-2-one (CAS 42345-56-2)
Recommended Standards
- 4-(4-(Methoxycarbonyl)benzoyl)benzoic acid (CAS 469904-11-8)
- 3-Methyl-6-(thiophen-2-yl)-4-(trifluoromethyl)isoxazolo[5,4-b]pyridine (CAS 380419-64-7)
- 4-[(2-fluorophenyl)sulfamoyl]-1h-pyrrole-2-carboxylic acid (CAS 937621-15-3)
- 1-(2-Chlorobenzyl)-3-methyl-6-phenyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 1011399-97-5)
- 2-(4-Cyanophenyl)-N-methylacetamide (CAS 79149-59-0)
- (2,4-Dichloro-5-(difluoromethyl)pyridin-3-yl)methanol (CAS 1806830-60-3)
- 4-Chloro-1-ethyl-6-methyl-2-oxo-1,2-dihydropyridine-3-carbaldehyde (CAS 1018525-23-9)
- 3-(Hydroxymethyl)-7,8-dihydroimidazo[1,2-a]pyrazin-6(5H)-one (CAS 944900-95-2)
- Cholic Acid Impurity 14 (CAS CATO-C4X-116014)
- Allo-D-Ile17-Tirzepatide (CAS CATO-CPTD788962)
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