2-Carboxy-3,5-dimethyl-4-hydroxybenzophenone CAS 85604-74-6
| CAS No. | 85604-74-6 |
| Molecular Formula | C16H14O4 |
| Molecular Weight | 270.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2-Carboxy-3,5-dimethyl-4-hydroxybenzophenone (CAS 85604-74-6), molecular formula C16H14O4 and molecular weight 270.28 g/mol, is a CATO reference standard with documented purity and traceability.
2-Carboxy-3,5-dimethyl-4-hydroxybenzophenone (C16H14O4) 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).
As a certified reference material (CRM), 2-Carboxy-3,5-dimethyl-4-hydroxybenzophenone 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.
Physical & Chemical Properties
| Molecular Formula | C16H14O4 |
| Molecular Weight | 270.28 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
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Recommended Standards
- 2-Amino-n-(2,3-dihydro-1,4-benzodioxin-6-yl)benzamide (CAS 734535-47-8)
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- 2-Amino-n-(1,3-dioxaindan-5-ylmethyl)benzamide (CAS 713500-90-4)
- 2-Hydroxy-6-[1-(4-methoxyphenoxy)ethyl]pyridine-3-carbonitrile (CAS 321430-94-8)
- 4-(3-Methoxybenzylidene)-2-phenyloxazol-5(4H)-one (CAS 113697-03-3)
- (5-Chloro-6-(p-tolyl)pyridin-3-yl)boronic acid (CAS 2225155-38-2)
- (1R,2R)-2-(Methoxycarbonyl)cyclopentane-1-carboxylic acid (CAS 111138-44-4)
- 6-((4-Chlorophenyl)amino)-3-methylpyrimidine-2,4(1H,3H)-dione (CAS 58137-45-4)
- (1R,2S)-2-(Benzyloxy)cyclopentanamine (CAS 663926-35-0)
- 2-Amino-4-nitrobenzaldehyde (CAS 109466-84-4)
- 2-((Isopentyloxy)methyl)butane-1-sulfonyl chloride (CAS 1480044-59-4)
- 8-Methyl-1,2,3,4-tetrahydropyrido[3,4-b]pyrazine (CAS 1934719-58-0)
- Ammonium hexafluorophosphate (CAS 16941-11-0)
- Semaglutide impurity 72 (CAS CATO-C4X-222672)
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