5-(3-([1,1-Biphenyl]-3-yl)prop-1-yn-1-yl)-6-ethylpyrimidine-2,4-diamine CAS 1252013-76-5
| CAS No. | 1252013-76-5 |
| Molecular Formula | C21H20N4 |
| Molecular Weight | 328.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-(3-([1,1-Biphenyl]-3-yl)prop-1-yn-1-yl)-6-ethylpyrimidine-2,4-diamine 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.
5-(3-([1,1-Biphenyl]-3-yl)prop-1-yn-1-yl)-6-ethylpyrimidine-2,4-diamine (CAS 1252013-76-5) is a high-purity analytical reference standard with the molecular formula C21H20N4 and a molecular weight of 328.41 g/mol.
Based on its molecular formula C21H20N4, 5-(3-([1,1-Biphenyl]-3-yl)prop-1-yn-1-yl)-6-ethylpyrimidine-2,4-diamine contains a nitrogen-containing heterocyclic scaffold, a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 328.41 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H20N4 |
| Molecular Weight | 328.41 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 4 |
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