| CAS No. | 1185294-50-1 |
| Molecular Formula | C5H5N5 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 171.59 g/mol gives 0218AD 1185294-50-1 C5H6ClN5 [1,2,4]Triazolo[1,5-a]pyrimidin-2-ylaminehydrochloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
0218AD 1185294-50-1 C5H6ClN5 [1,2,4]Triazolo[1,5-a]pyrimidin-2-ylaminehydrochloride (CAS 1185294-50-1) is a high-purity analytical reference standard with the molecular formula C5H5N5HCl and a molecular weight of 171.59 g/mol.
Based on its molecular formula C5H5N5HCl, 0218AD 1185294-50-1 C5H6ClN5 [1,2,4]Triazolo[1,5-a]pyrimidin-2-ylaminehydrochloride contains a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 171.59 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
As a certified reference material (CRM), 0218AD 1185294-50-1 C5H6ClN5 [1,2,4]Triazolo[1,5-a]pyrimidin-2-ylaminehydrochloride 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 | C5H5N5 HCl |
| Molecular Weight | 171.59 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |