| CAS No. | 488796-42-5 |
| Molecular Formula | C14H16ClN5O |
| Molecular Weight | 305.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 305.76 g/mol gives 1-(3-Chloro-2-methylphenyl)-3-(4-hydroxy-5,6-dimethylpyrimidin-2-yl)guanidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-(3-Chloro-2-methylphenyl)-3-(4-hydroxy-5,6-dimethylpyrimidin-2-yl)guanidine (CAS 488796-42-5), molecular formula C14H16ClN5O and molecular weight 305.76 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 1-(3-Chloro-2-methylphenyl)-3-(4-hydroxy-5,6-dimethylpyrimidin-2-yl)guanidine (C14H16ClN5O) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
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.
| Molecular Formula | C14H16ClN5O |
| Molecular Weight | 305.76 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |