| CAS No. | 1203143-99-0 |
| Molecular Formula | C18H26N6O |
| Molecular Weight | 342.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 342.44 g/mol gives 1-(2,3-Dimethylphenyl)-3-(2-((6-(ethylamino)-2-methylpyrimidin-4-yl)amino)ethyl)urea distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-(2,3-Dimethylphenyl)-3-(2-((6-(ethylamino)-2-methylpyrimidin-4-yl)amino)ethyl)urea (CAS 1203143-99-0) is a high-purity analytical reference standard with the molecular formula C18H26N6O and a molecular weight of 342.44 g/mol.
1-(2,3-Dimethylphenyl)-3-(2-((6-(ethylamino)-2-methylpyrimidin-4-yl)amino)ethyl)urea (C18H26N6O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-(2,3-Dimethylphenyl)-3-(2-((6-(ethylamino)-2-methylpyrimidin-4-yl)amino)ethyl)urea 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.
| Molecular Formula | C18H26N6O |
| Molecular Weight | 342.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 6 |