4-(4-Methoxy-2,5-dimethylphenyl)butanoic acid CAS 4705-97-9
| CAS No. | 4705-97-9 |
| Molecular Formula | C13H18O3 |
| Molecular Weight | 222.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-(4-Methoxy-2,5-dimethylphenyl)butanoic acid (C13H18O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 222.28 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.
CATO supplies 4-(4-Methoxy-2,5-dimethylphenyl)butanoic acid (CAS 4705-97-9), a certified reference material (molecular formula C13H18O3, MW 222.28 g/mol) for analytical method development and quality control.
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.
CATO manufactures 4-(4-Methoxy-2,5-dimethylphenyl)butanoic acid 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 | C13H18O3 |
| Molecular Weight | 222.28 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Methoxy Standards
- 3-Methoxy-2-(pentyloxy)benzaldehyde (CAS 101267-80-5)
- 2-(2-Methoxy-5-methylphenyl)-3-methylbutanoic acid (CAS 1082378-86-6)
- 3-Methoxy-4-(3-methylbutoxy)benzaldehyde (CAS 114991-69-4)
- 2-Methoxy-6-(piperazin-1-ylmethyl)phenol (CAS 1183124-37-9)
- 4-Methoxy-3-(pentyloxy)benzaldehyde (CAS 118791-48-3)
- 3-(2-Methoxy-5-methylphenyl)-2,2-dimethylpropanoic acid (CAS 1226033-99-3)
- 5-Methoxy-2-(piperazin-1-ylmethyl)phenol (CAS 1249373-00-9)
- 1-(3-Methoxy-4-propoxyphenyl)propan-1-one (CAS 1443334-57-3)
Recommended Standards
- 4-(4-Fluoro-3-methylphenyl)-5-methylthiazol-2(3H)-imine (CAS 886505-48-2)
- 4-(4-Propan-2-ylphenoxy)butanoic acid (CAS 87411-32-3)
- 4-(4-Ethoxy-3-methoxyphenyl)butan-2-one (CAS 861310-32-9)
- 4-(Boc-amino)benzylamine (CAS 220298-96-4)
- 3-Isopropylcyclohexanone (CAS 23396-36-3)
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- Baxdrostat (CAS 1428652-17-8)
- 2',3'-Dihydrospiro[cyclohexane-1,1'-inden]-3'-amine hydrochloride (CAS 1071675-40-5)
- 2-Amino-6-fluorophenylboronic Acid Pinacol Ester (CAS 1418130-40-1)
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Why CATO?
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