5-(3-Hydroxy-2-phenylpropyl)-2-methoxyphenol CAS 51458-20-9
| CAS No. | 51458-20-9 |
| Molecular Formula | C16H18O3 |
| Molecular Weight | 258.31 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.
5-(3-Hydroxy-2-phenylpropyl)-2-methoxyphenol (CAS 51458-20-9), molecular formula C16H18O3 and molecular weight 258.31 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-(3-Hydroxy-2-phenylpropyl)-2-methoxyphenol (C16H18O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 258.31 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.
As a certified reference material (CRM), 5-(3-Hydroxy-2-phenylpropyl)-2-methoxyphenol 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 | C16H18O3 |
| Molecular Weight | 258.31 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
Related Hydroxy Standards
- 2-(3-Hydroxy-1-phenylpropyl)-4-(hydroxymethyl)phenol (CAS 1312416-97-9)
- 2-(3-Hydroxy-2-phenylpropyl)-5-methoxyphenol (CAS 152955-28-7)
- (2E)-2-{[(4-hydroxy-2-methylphenyl)amino]methylidene}-4,4-dimethyl-3-oxopentanenitrile (CAS 1025306-51-7)
- 6-Hydroxy-3-methyl-8-phenyl-3,7-dihydro-2H-purine-2-thione (CAS 103258-00-0)
- N-Hydroxy-2-(thiophen-2-yl)-1H-benzo[d]imidazole-6-carboximidamide (CAS 1421266-67-2)
- (E)-2-((4-hydroxy-3-methoxybenzylidene)amino)thiophene-3-carbonitrile (CAS 343375-00-8)
- 1-(5-Hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)pentan-1-one (CAS 92593-07-2)
- 3-Hydroxy-5,5-dimethyl-2-(o-tolyldiazenyl)cyclohex-2-en-1-one (CAS 64380-33-2)
Recommended Standards
- 4-Methoxychrysene (CAS 63020-59-7)
- 5,5-Dimethyl-2-(2-oxo-2-phenylethyl)cyclohexane-1,3-dione (CAS 37456-51-2)
- 4-Methoxy-1-naphthalenepropanoic Acid Ethyl Ester (CAS 861354-99-6)
- 5,5-Dimethyl-3-oxocyclohex-1-en-1-yl 4-methylbenzoate (CAS 477854-95-8)
- 4,5-Dioxopentanenitrile (CAS 876501-78-9)
- Methyl 1-{[(tert-butoxy)carbonyl]amino}-4-oxocyclohexane-1-carboxylate (CAS 191111-27-0)
- 1-(3-Methyl-4-octyloxyphenyl)ethanone (CAS 127806-88-6)
- Verrucarol (CAS 2198-92-7)
- 5-Boc-2-nitro-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine (CAS 1434052-06-8)
- Ibandronic Acid-d3 Sodium Salt See I120003 (CAS 1329834-28-7)
- 4-(1-Methyl-1H-pyrazol-3-yl)benzonitrile (CAS 915707-41-4)
- (4-(Cyclopropanecarbonyl)phenyl)boronic acid (CAS 959861-28-0)
- 6-Fluoro-5-methoxy-1H-pyrrolo[2,3-b]pyridine (CAS 1638761-05-3)
- Tau Peptide (337-368) (Repeat 4 Domain) trifluoroacetate salt (CAS 330456-27-4)
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