2-Oxo-2-phenylethyl 3-hydroxy-2-naphthoate CAS 282730-62-5
| CAS No. | 282730-62-5 |
| Molecular Formula | C19H14O4 |
| Molecular Weight | 306.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Oxo-2-phenylethyl 3-hydroxy-2-naphthoate 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.
2-Oxo-2-phenylethyl 3-hydroxy-2-naphthoate (CAS 282730-62-5) is a high-purity analytical reference standard with the molecular formula C19H14O4 and a molecular weight of 306.31 g/mol.
Structurally, 2-Oxo-2-phenylethyl 3-hydroxy-2-naphthoate (C19H14O4) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 306.31 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C19H14O4 |
| Molecular Weight | 306.31 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related Oxo Standards
- 3-(2-Oxo-2-phenylethyl)-2-propylquinazolin-4(3H)-one (CAS 866010-54-0)
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- 3-{[(1-phenylethyl)amino]sulfonyl}benzoic acid (CAS 790681-77-5)
- 2-Oxo-2-((1-phenylethyl)amino)ethyl 4-cyanobenzoate (CAS 380484-51-5)
- 2-Oxo-2-((1-phenylethyl)amino)ethyl 3-methylthiophene-2-carboxylate (CAS 479030-74-5)
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- 3-{[4-(1-Methyl-1-phenylethyl)phenoxy]-methyl}piperidine (CAS 946787-43-5)
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Recommended Standards
- 2-Naphthyl β-D-galactopyranoside (CAS 33993-25-8)
- 3-(Benzofuran-2-yl)-7-methoxy-2-methyl-4H-chromen-4-one (CAS 36754-50-4)
- 2-Methoxyethyl 4-(4-hydroxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 201992-12-3)
- 3,3',5,5'-Tetramethoxy-[1,1'-biphenyl]-4,4'-diol (CAS 612-69-1)
- 2-((4-Methoxybenzyl)(methyl)amino)ethan-1-ol (CAS 151696-86-5)
- N-(4-Hydroxymethylbenzyl)trifluoroacetamide, 97% (CAS 171723-95-8)
- 2,2',7,7'-Tetrabromo-9,9'-bifluorenylidene (CAS 27192-91-2)
- Methyl 2-chloro-5-fluoro-6-piperazin-1-ylnicotinate (CAS 1706436-63-6)
- (2Z)-2-(Nitromethylidene)azepane (CAS 64480-12-2)
- 2-(2,3-Difluorophenyl)-5-(methoxycarbonyl)-1-methyl-3-pyrrolidinecarboxylic acid (CAS 1096442-76-0)
- 2-Chloro-6-propylimidazo[1,2-b]pyridazine-3-sulfonamide (CAS 570416-06-7)
- tert-Butyl (R)-2-(4-chlorobenzyl)piperazine-1-carboxylate (CAS 276861-49-5)
- 2,4,6-Tris(trifluoromethyl)benzoic acid (CAS 25753-26-8)
- Semaglutide Impurity 16 (CAS CATO-C4X-222616)
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