2-([1,1'-Biphenyl]-4-yl)-2-oxoethyl 2,4-dihydroxybenzoate CAS 923147-08-4
| CAS No. | 923147-08-4 |
| Molecular Formula | C21H16O5 |
| Molecular Weight | 348.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-([1,1'-Biphenyl]-4-yl)-2-oxoethyl 2,4-dihydroxybenzoate (CAS 923147-08-4), molecular formula C21H16O5 and molecular weight 348.35 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 2-([1,1'-Biphenyl]-4-yl)-2-oxoethyl 2,4-dihydroxybenzoate (C21H16O5) is characterized by a flavonoid core, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 2-([1,1'-Biphenyl]-4-yl)-2-oxoethyl 2,4-dihydroxybenzoate 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.
Physical & Chemical Properties
| Molecular Formula | C21H16O5 |
| Molecular Weight | 348.35 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
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Recommended Standards
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- 2-(4-(5-Acetyl-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidin-4-yl)-2-methoxyphenoxy)acetohydrazide (CAS 881471-45-0)
- 1,4-Phenylene bis(4-aminobenzoate) (CAS 22095-98-3)
- Methyl (2r)-2-[(tert-butoxy)carbonylamino]-3-(4-fluorophenyl)propanoate (CAS 176794-99-3)
- N-(1H-Benzimidazol-2-ylmethyl)-2-chloroacetamide (CAS 135471-86-2)
- [2-(2-methyl-1h-imidazol-1-yl)pyridin-4-yl]methanamine (CAS 953719-87-4)
- 6-(3-(Dimethylamino)acryloyl)-4-ethyl-7-hydroxy-8-methyl-2h-chromen-2-one (CAS 1821457-35-5)
- N-Acetyl-D,L-homotryptophan, Ethyl Ester (CAS 110504-55-7)
- 2-(4-((4-((5-Cyclohexyl-1H-pyrazol-3-yl)amino)pyrimidin-2-yl)amino)phenyl)ethanol (CAS 1216665-57-4)
- (S)-Tolterodine HCl (CAS CATO-C4X-176723)
- 3-Methyl-4'-(trifluoromethyl)-1,1'-biphenyl (CAS 122801-54-1)
- methyl 4-(4-bromo-2-fluorophenoxy)butanoate (CAS 1096852-55-9)
- Tau Peptide (307-321) trifluoroacetate salt (CAS 330456-50-3)
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