3-Methyl-7-(4-methylbenzyl)isoxazolo[4,5-d]pyridazin-4(5H)-one CAS 1309666-16-7
| CAS No. | 1309666-16-7 |
| Molecular Formula | C14H13N3O2 |
| Molecular Weight | 255.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Methyl-7-(4-methylbenzyl)isoxazolo[4,5-d]pyridazin-4(5H)-one (C14H13N3O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
3-Methyl-7-(4-methylbenzyl)isoxazolo[4,5-d]pyridazin-4(5H)-one (CAS 1309666-16-7) is a high-purity analytical reference standard with the molecular formula C14H13N3O2 and a molecular weight of 255.27 g/mol.
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 3-Methyl-7-(4-methylbenzyl)isoxazolo[4,5-d]pyridazin-4(5H)-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.
Physical & Chemical Properties
| Molecular Formula | C14H13N3O2 |
| Molecular Weight | 255.27 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 3 |
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