3,5-dimethoxy-4-methylaniline CAS 78025-93-1
| CAS No. | 78025-93-1 |
| Molecular Formula | C9H13NO2 |
| Molecular Weight | 167.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 167.21 g/mol gives 3,5-dimethoxy-4-methylaniline distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3,5-dimethoxy-4-methylaniline (CAS 78025-93-1) is a high-purity analytical reference standard with the molecular formula C9H13NO2 and a molecular weight of 167.21 g/mol.
Based on its molecular formula C9H13NO2, 3,5-dimethoxy-4-methylaniline contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 167.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 3,5-dimethoxy-4-methylaniline 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 | C9H13NO2 |
| Molecular Weight | 167.21 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 1 |
Related dimethoxy Standards
- 2,5-dimethoxy-N-methylaniline (CAS 10224-66-5)
- 3,5-Dimethoxy-N-methylaniline (CAS 118684-17-6)
- 2,4-Dimethoxy-5-methylaniline (CAS 82477-59-6)
- 2,4-dimethoxy-N-methylaniline (CAS 76030-55-2)
- 2,6-Dimethoxy-4-methylaniline (CAS 54812-41-8)
- 3,4-dimethoxy-N-methylaniline (CAS 35162-34-6)
- 4,5-dimethoxy-2-methylbenzenamine (CAS 41864-45-3)
- 3,6-Dimethoxy-4-pyridazinecarboxaldehyde (CAS 262353-18-4)
Recommended Standards
- 3-[(6-methylpyrimidin-4-yl)amino]propan-1-ol (CAS 55662-26-5)
- 3,3-Dimethyl-1-(1H-1,2,4-triazol-1-yl)butan-2-one (CAS 58905-32-1)
- 3-Amino-3-(1-methyl-1H-pyrrol-2-yl)propanamide (CAS 771527-96-9)
- 3,3A,4,5,6,7-hexahydro-2H-indole-2-carboxylic acid (CAS 754141-46-3)
- Lumasiran (CAS 1834610-13-7)
- 2-Methylbenzylmercaptan (CAS 7341-24-4)
- 4,4,5,5-tetramethyl-2-prop-1-ynyl-1,3,2-dioxaborolane (CAS 347389-75-7)
- 2,4-Difluoro-N-(4-fluorophenyl)aniline (CAS 823802-13-7)
- N-((4-Chloropyrrolo[2,1-f][1,2,4]triazin-5-yl)methyl)-N,N-diethylethanaminium bromide (CAS 859205-90-6)
- 1-methyl-6-methylidene-8,9-dihydro-7H-naphtho[1,2-g][1]benzofuran-10,11-dione (CAS 67656-29-5)
- Sugammadex Impurity 33 (CAS CATO-C4X-190633)
- Drostanolone Acetate (CAS 1923-17-7)
- 8-Methyl-1,6-dipropylimidazo[1,5-d][1,2,4]triazin-4(3H)-one (CAS 84227-39-4)
- Semaglutide impurity 65 (CAS CATO-C4X-222665)
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