4-(2,3-Dimethylphenoxy)butanoic acid CAS 70442-56-7
| CAS No. | 70442-56-7 |
| Molecular Formula | C12H16O3 |
| Molecular Weight | 208.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C12H16O3, 4-(2,3-Dimethylphenoxy)butanoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 208.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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-(2,3-Dimethylphenoxy)butanoic acid (CAS 70442-56-7), a certified reference material (molecular formula C12H16O3, MW 208.25 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.
As a certified reference material (CRM), 4-(2,3-Dimethylphenoxy)butanoic acid 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 | C12H16O3 |
| Molecular Weight | 208.25 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.) | 1977 |
Related Dimethylphenoxy Standards
- 4-(2,5-Dimethylphenoxy)butanoic acid (CAS 105401-49-8)
- Ethyl 2-(3,4-dimethylphenoxy)acetate (CAS 192634-75-6)
- 2-(2,3-Dimethylphenoxy)-2-methylpropanoic acid (CAS 667440-80-4)
- 2-(3,4-Dimethylphenoxy)-2-methylpropanoic acid (CAS 75066-24-9)
- 2-(3,4-Dimethylphenoxy)butanoic acid (CAS 25140-78-7)
- 2-(3,5-Dimethylphenoxy)-2-methylpropanoic acid (CAS 76674-31-2)
- 2-(3,5-Dimethylphenoxy)butanoic acid (CAS 25140-79-8)
- 4-(2,6-Dimethylphenoxy)butanoic acid (CAS 853743-95-0)
Recommended Standards
- 4-(1,3-Dioxolan-2-ylmethyl)-1-ethoxybenzene (CAS 898759-48-3)
- 4-(2,4-Dimethoxyphenyl)butan-2-one (CAS 93467-61-9)
- 3-tert-Butyl-5-methylsalicylic Acid (CAS 23050-96-6)
- 4-(2,4-Dimethylphenyl)-4-hydroxybutanoic acid (CAS 879059-50-4)
- Benzyl (5-oxotetrahydrofuran-3-yl)carbamate (CAS 305859-68-1)
- (2E)-N-(2,5-Dimethoxyphenyl)-3-(3-nitrophenyl)prop-2-enamide (CAS 308292-47-9)
- 3-Amino-4-formylpyridine 3-Aminopyridine-4-carboxaldehyde 3-aminopyridine-4-carbaldehyde 55279-29-3 (CAS 55279-29-3)
- 2-Bromo-3-methylquinoline (CAS 35740-86-4)
- 5-Iodoimidazo[1,2-a]pyridine (CAS 2137731-11-2)
- N-((3-Nitrophenyl)sulfonyl)benzamide (CAS 3409-79-8)
- 1-[4-(4-Nitro-1H-1,2,3-triazol-1-yl)phenyl]ethan-1-one (CAS 478041-21-3)
- 4-Methyl-3-(thiophen-2-yl)-4H-1,2,4-triazole (CAS 1541119-53-2)
- 2,4-Dihydroxyl-6-fluoroquinazoline (CAS 88145-90-8)
- Palmitoyl Hexapeptide-12 TFA salt (CAS 171263-26-6(Free Base))
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