| CAS No. | 170500-65-9 |
| Molecular Formula | C5H9N3O |
| Molecular Weight | 127.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
As a certified reference material (CRM), 1-Amino-6-methyl-3,4-dihydropyrimidin-2(1H)-one 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.
1-Amino-6-methyl-3,4-dihydropyrimidin-2(1H)-one (CAS 170500-65-9), molecular formula C5H9N3O and molecular weight 127.14 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H9N3O, 1-Amino-6-methyl-3,4-dihydropyrimidin-2(1H)-one contains an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 127.14 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.
| Molecular Formula | C5H9N3O |
| Molecular Weight | 127.14 g/mol |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2005 |
| Nitrogen Atoms | 3 |