Methyl 4-acetamido-3-methylbenzoate CAS 239075-25-3
| CAS No. | 239075-25-3 |
| Molecular Formula | C11H13NO3 |
| Molecular Weight | 207.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies Methyl 4-acetamido-3-methylbenzoate (CAS 239075-25-3), a certified reference material (molecular formula C11H13NO3, MW 207.23 g/mol) for analytical method development and quality control.
Structurally, Methyl 4-acetamido-3-methylbenzoate (C11H13NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 207.23 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.
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.
Physical & Chemical Properties
| Molecular Formula | C11H13NO3 |
| Molecular Weight | 207.23 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- 2-Acetamido-2-(o-tolyl)acetic acid (CAS 1095567-52-4)
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- (R)-3-acetamido-3-phenylpropanoic acid (CAS 117020-31-2)
- Methyl 3-acetamido-4-methylbenzoate (CAS 127506-01-8)
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Recommended Standards
- Methyl 4-{[(1-methylethylidene)amino]oxy}benzoate (CAS 58658-56-3)
- Methyl 4-aminochroman-8-carboxylate (CAS 325152-96-3)
- Methyl 4-(guanidinomethyl)benzoate (CAS 736080-30-1)
- Methyl 4-aminochromane-7-carboxylate (CAS 361370-01-6)
- 5-Ethoxy-1,3-difluoro-2-methylbenzene (CAS 1806305-67-8)
- Tetraethylethylenetetracarboxylate (CAS 6174-95-4)
- Isoquinolin-1-yl(4-methoxyphenyl)methanol (CAS 13211-56-8)
- 6-Iodo-8-methyl-9H-purine (CAS 221698-44-8)
- 2-Methyl-1-propyl-1,3-benzodiazole-5-carboxylic acid (CAS 68740-33-0)
- Methyl 2-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-4-yl)acetate (CAS 84167-68-0)
- 2-Bromo-6-fluoro-3-phenylmethoxybenzaldehyde (CAS 2244107-76-2)
- N,N-dimethyl-3-(trifluoromethyl)piperidin-3-amine dihydrochloride (CAS 2306275-29-4)
- trans-Feruloylmethoxytyramine (CAS 78510-19-7)
- Tetrapeptide-30/Tegopep (CAS 1036207-61-0)
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