| CAS No. | 1783980-46-0 |
| Molecular Formula | C12H12ClN3 |
| Molecular Weight | 233.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 233.70 g/mol gives 2-(2-Chlorophenyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 2-(2-Chlorophenyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine (CAS 1783980-46-0), a certified reference material (molecular formula C12H12ClN3, MW 233.70 g/mol) for analytical method development and quality control.
Structurally, 2-(2-Chlorophenyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine (C12H12ClN3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 233.70 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), 2-(2-Chlorophenyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine 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 | C12H12ClN3 |
| Molecular Weight | 233.70 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |