4,7-Dihydroxy-3-(4-methoxyphenyl)-2h-chromen-2-one CAS 42345-56-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 42345-56-2 |
| Molecular Formula | C16H12O5 |
| Molecular Weight | 284.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4,7-Dihydroxy-3-(4-methoxyphenyl)-2h-chromen-2-one (CAS 42345-56-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H12O5. Molecular weight: 284.26 g/mol. Batch-specific COA and technical support are available on request.
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.) | 1969 |
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-(2-methoxyphenyl)-2H-chromen-2-one (CAS 21229-16-3)
Recommended Standards
- 4-[(2-fluorophenyl)sulfamoyl]-1h-pyrrole-2-carboxylic acid (CAS 937621-15-3)
- 4-(4-(Methoxycarbonyl)benzoyl)benzoic acid (CAS 469904-11-8)
- 4,7-Dihydroxy-3-methoxyisoflavone (CAS 21913-98-4)
- (R)-tert-Butyl 3-{[(pyrrolidin-1-yl)carbonyl]amino}piperidine-1-carboxylate (CAS 1286209-31-1)
- 1-(5-Bromo-6-chloropyridin-3-yl)piperazine (CAS 412347-55-8)
- 4-bromo-2-(2H-1,2,3,4-tetrazol-5-yl)phenol (CAS 874815-05-1)
- methyl 2,1,3-benzoxadiazole-4-carboxylate (CAS 408502-47-6)
- [1,2,4]Triazolo[4,3-b]pyridazine-3-carbaldehyde (CAS 87841-07-4)
- N-(3-Nitrophenyl)-2,2,2-trifluoroacetamide (CAS 25080-83-5)
- Anxiety Peptide (CAS 95237-86-8)
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