4-Chloro-2-(1-methyl-1H-pyrazol-3-yl)-1,8-naphthyridine CAS 1330532-96-1
| CAS No. | 1330532-96-1 |
| Molecular Formula | C12H9ClN4 |
| Molecular Weight | 244.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 244.68 g/mol gives 4-Chloro-2-(1-methyl-1H-pyrazol-3-yl)-1,8-naphthyridine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-Chloro-2-(1-methyl-1H-pyrazol-3-yl)-1,8-naphthyridine (CAS 1330532-96-1) is a high-purity analytical reference standard with the molecular formula C12H9ClN4 and a molecular weight of 244.68 g/mol.
4-Chloro-2-(1-methyl-1H-pyrazol-3-yl)-1,8-naphthyridine (C12H9ClN4) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
Physical & Chemical Properties
| Molecular Formula | C12H9ClN4 |
| Molecular Weight | 244.68 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
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