4-Hydroxybenzoic Acid Phenyl Ester CAS 17696-62-7
| CAS No. | 17696-62-7 |
| Molecular Formula | C13H10O3 |
| Molecular Weight | 214.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 214.22 g/mol gives 4-Hydroxybenzoic Acid Phenyl Ester distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-Hydroxybenzoic Acid Phenyl Ester (CAS 17696-62-7), molecular formula C13H10O3 and molecular weight 214.22 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, 4-Hydroxybenzoic Acid Phenyl Ester is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 214.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C13H10O3 |
| Molecular Weight | 214.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
Related Hydroxybenzoic Standards
- 4-Hydroxybenzoic Acid Amyl Ester (CAS 6521-29-5)
- 3-benzyl-2-hydroxybenzoic acid (CAS 16122-06-8)
- 5-benzyl-2-hydroxybenzoic acid (CAS 4386-41-8)
- 2-Ethyl-4-hydroxybenzoic Acid ethyl ester (CAS 851334-79-7)
- 4-Hydroxybenzoic Acid-N-Butyl Ester (CAS 94-26-8)
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- 3-acetyl-4-hydroxybenzoic acid (CAS 16357-40-7)
- 4-Hydroxybenzoic Acid Propyl Ester (CAS 94-13-3)
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