3-Benzyl-5,7-dihydroxy-4-methyl-2H-chromen-2-one CAS 219551-85-6
| CAS No. | 219551-85-6 |
| Molecular Formula | C17H14O4 |
| Molecular Weight | 282.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-Benzyl-5,7-dihydroxy-4-methyl-2H-chromen-2-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
CATO supplies 3-Benzyl-5,7-dihydroxy-4-methyl-2H-chromen-2-one (CAS 219551-85-6), a certified reference material (molecular formula C17H14O4, MW 282.29 g/mol) for analytical method development and quality control.
Structurally, 3-Benzyl-5,7-dihydroxy-4-methyl-2H-chromen-2-one (C17H14O4) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 282.29 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C17H14O4 |
| Molecular Weight | 282.29 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2019 |
Related Benzyl Standards
- 3-Benzyl-7,8-dihydroxy-4-methyl-2h-chromen-2-one (CAS 1658-77-1)
- 3-Benzyl-6,7-dihydroxy-4-methyl-2H-chromen-2-one (CAS 23368-41-4)
- 5,8-Dihydroxy-2-phenethyl-4H-chromen-4-one (CAS 69809-24-1)
- Benzyl 5,6-dihydroxy-1H-indole-2-carboxylate (CAS 113934-61-5)
- 4,6-Dihydroxy-4,6-bis(trifluoromethyl)tetrahydropyrimidine-2(1H)-thione (CAS 1820712-27-3)
- 5,8-Dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylic acid (CAS 19591-45-8)
- 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)
Recommended Standards
- 3-Amino-N-(4-methoxyphenyl)benzofuran-2-carboxamide (CAS 608121-84-2)
- 3-[1-({[(tert-butoxy)carbonyl]amino}methyl)cyclopropyl]-1,2-oxazole-4-carboxylic acid (CAS 2060008-85-5)
- 3-Benzyl-6-hydroxy-7-methoxyquinazolin-4(3H)-one (CAS 808793-56-8)
- 3,6-Dimethoxy-2-phenyl-4H-chromen-4-one (CAS 206121-28-0)
- 6-Acetyl-2-(3,5-dimethylphenyl)-1,2,4-triazine-3,5(2H,4H)-dione (CAS 478048-44-1)
- 1-(5-Amino-2,4-dibromophenyl)ethan-1-one (CAS 37148-50-8)
- 1-Allyl-3-chloro-5-fluorobenzene (CAS 842124-18-9)
- 1-(2-Chlorophenyl)-5-methoxy-1H-pyrazole-3-carboxylic acid (CAS 55983-86-3)
- 7-(Benzenesulfonyl)-6-bromo-2,4-dichloro-7H-pyrrolo[2,3-d]pyrimidine (CAS 1131992-26-1)
- 3-Bromo-2-isopropyl-4-methylpyridine (CAS 2620572-51-0)
- 2-(5-(2-Fluorophenyl)isoxazol-3-yl)-N-(4-methylpyridin-2-yl)acetamide (CAS 1105217-02-4)
- Dequalinium Impurity 16 (CAS CATO-C4X-193616)
- 1-Chloro-1-methylcyclohexane (CAS 931-78-2)
- Semaglutide impurity 43 (CAS CATO-C4X-222643)
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