(S)-8-(4-hydroxyphenyl)-2,2-dimethyl-7,8-dihydro-2H,6H-pyrano[3,2-g]chromen-6-one CAS 124858-37-3
| CAS No. | 124858-37-3 |
| Molecular Formula | C20H18O4 |
| Molecular Weight | 322.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (S)-8-(4-hydroxyphenyl)-2,2-dimethyl-7,8-dihydro-2H,6H-pyrano[3,2-g]chromen-6-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
(S)-8-(4-hydroxyphenyl)-2,2-dimethyl-7,8-dihydro-2H,6H-pyrano[3,2-g]chromen-6-one (CAS 124858-37-3), molecular formula C20H18O4 and molecular weight 322.35 g/mol, is a CATO reference standard with documented purity and traceability.
(S)-8-(4-hydroxyphenyl)-2,2-dimethyl-7,8-dihydro-2H,6H-pyrano[3,2-g]chromen-6-one (C20H18O4) contains a flavonoid core, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H18O4 |
| Molecular Weight | 322.35 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
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- 4-(4-Hydroxyphenyl)-3,7,7-trimethyl-2,4,6,7,8,9-hexahydro-5H-pyrazolo[3,4-b]quinolin-5-one (CAS 865658-73-7)
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Recommended Standards
- 3-(Benzyloxy)-2-(2-hydroxy-2-phenylethyl)-4H-pyran-4-one (CAS 1206102-04-6)
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- 2-Methoxy-6-(naphthalen-1-yloxymethyl)-benzoic acid methyl ester (CAS 1171924-19-8)
- 7-((2-Aminoethyl)thio)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 128751-33-7)
- Tert-butyl 4-((2-hydroxyphenyl)amino)piperidine-1-carboxylate (CAS 162045-48-9)
- 4-Ethyl-3-(2-fluorophenyl)-5-(methylthio)-4H-1,2,4-triazole (CAS 116850-64-7)
- 2-(4-fluorophenyl)butan-2-amine (CAS 402757-06-6)
- 2-Chloro-N-(4-chloro-3-methylphenyl)acetamide (CAS 99585-90-7)
- 4,4'-(4A,9a-dihydro-9H-fluorene-9,9-diyl)bis(2-methylphenol) (CAS 1025966-27-1)
- Flurbiprofen Impurity 60 (CAS 78543-07-4)
- 2-[(2-Aminophenyl)sulfanyl]-6-fluorobenzonitrile (CAS 190328-54-2)
- (R)-3-(1-(tert-butoxycarbonyl)-1H-indazol-3-yl)-2-((tert-butoxycarbonyl)amino)propanoic acid (CAS 2387559-76-2)
- 1-(4-Trifluoromethyl-phenyl)-cyclobutanol (CAS 29480-10-2)
- Galanin Message Associated Peptide (1-41) amide trifluoroacetate salt (CAS 132699-74-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com