| CAS No. | 1823937-83-2 |
| Molecular Formula | C4H3ClFN3 |
| Molecular Weight | 147.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 6-Chloro-5-fluoropyrazin-2-amine is closely related to a nitrile group, fluorine/chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
6-Chloro-5-fluoropyrazin-2-amine (CAS 1823937-83-2), molecular formula C4H3ClFN3 and molecular weight 147.54 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C4H3ClFN3, 6-Chloro-5-fluoropyrazin-2-amine contains a nitrile group, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 147.54 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures 6-Chloro-5-fluoropyrazin-2-amine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C4H3ClFN3 |
| Molecular Weight | 147.54 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |