| CAS No. | 794591-77-8 |
| Molecular Formula | C7H12BrN3O |
| Molecular Weight | 234.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 234.09 g/mol gives 7-bromo-3H,4H-pyrido[3,4-d]pyridazin-4-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
7-bromo-3H,4H-pyrido[3,4-d]pyridazin-4-one (CAS 794591-77-8), molecular formula C7H12BrN3O and molecular weight 234.09 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H12BrN3O, 7-bromo-3H,4H-pyrido[3,4-d]pyridazin-4-one contains an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 234.09 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 7-bromo-3H,4H-pyrido[3,4-d]pyridazin-4-one 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 | C7H12BrN3O |
| Molecular Weight | 234.09 g/mol |
| Appearance | 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |