3,4,8-Trihydroxy-6H-dibenzo[b,d]pyran-6-one CAS 203631-64-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 203631-64-5 |
| Molecular Formula | C13H8O5 |
| Molecular Weight | 244.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 3,4,8-Trihydroxy-6H-dibenzo[b,d]pyran-6-one (CAS 203631-64-5) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C13H8O5. Molecular weight: 244.20 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C13H8O5 |
| Molecular Weight | 244.20 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
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Recommended Standards
- 3,5-Dinitro-1,1'-biphenyl (CAS 56813-80-0)
- 3-(Furan-2-yl)-6-methyl-[1,2]oxazolo[5,4-b]pyridine-4-carboxylic acid (CAS 954254-90-1)
- 3,8-Dinitro-1,2-dihydroacenaphthylene (CAS 35338-47-7)
- 2-[3-(difluoromethyl)-5-methyl-1h-pyrazol-1-yl]acetohydrazide (CAS 1001518-82-6)
- 2-(5-Bromo-3-fluoro-2-nitrophenyl)acetic acid (CAS 1805938-07-1)
- 1,3,5,2,4,6-Trioxatrisilinane-2,2,4,4,6,6-hexaol, disodium zirconium salt (CAS 17141-74-1)
- tert-butyl 3-(aminomethyl)-3-fluoroazetidine-1-carboxylate (CAS 1083181-23-0)
- ethyl 2-[3-(2-ethoxy-2-oxo-ethyl)oxetan-3-yl]acetate (CAS 1262769-94-7)
- Ethyl 7-(N-acetylacetamido)-2-benzamidobenzo[b]thiophene-3-carboxylate (CAS 108940-11-0)
- Eosinophilotactic Peptide (CAS 61756-28-3)
Why CATO?
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