4-(2-Naphthyl)isoxazolo[3,4-d]pyridazin-7(6H)-one CAS 952182-91-1
| CAS No. | 952182-91-1 |
| Molecular Formula | C15H9N3O2 |
| Molecular Weight | 263.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-(2-Naphthyl)isoxazolo[3,4-d]pyridazin-7(6H)-one (C15H9N3O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 263.25 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
4-(2-Naphthyl)isoxazolo[3,4-d]pyridazin-7(6H)-one (CAS 952182-91-1), molecular formula C15H9N3O2 and molecular weight 263.25 g/mol, is a CATO reference standard with documented purity and traceability.
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 4-(2-Naphthyl)isoxazolo[3,4-d]pyridazin-7(6H)-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 | C15H9N3O2 |
| Molecular Weight | 263.25 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related Naphthyl Standards
- 2-(1-Naphthyl)-N-(3-pyridinylmethyl)-1-ethanamine (CAS 1040685-58-2)
- 2-(1-Naphthyl)-5-methoxybenzaldehyde, 97% (CAS 199117-07-2)
- 4-(2-Naphthyl)-1,3-dithiol-2-thione (CAS 127198-67-8)
- 1-(2-Naphthyl)-1-ethanone N-phenylhydrazone (CAS 7150-57-4)
- 6-(1-Naphthyl)-6-oxohexanoic acid (CAS 132104-09-7)
- 6-(2-Naphthyl)-6-oxohexanoic acid (CAS 132104-10-0)
- Ethyl 4-(1-Naphthyl)-2,4-dioxobutanoate (CAS 1019379-49-7)
- 7-(1-Naphthyl)-7-oxoheptanoic acid (CAS 13672-47-4)
Recommended Standards
- 4-(1-Methyl-5-nitro-1H-benzo[d]imidazol-2-yl)butanoic Acid (CAS 31349-48-1)
- 4-(3-Hydroxy-4-oxo-3,4-dihydroquinazolin-2-yl)benzonitrile (CAS 477864-74-7)
- 4-((Dimethylamino)methyl)-3-(4-nitrophenyl)isoxazol-5(2H)-one (CAS 61195-00-4)
- 4-(4,8-Dihydroxyquinazolin-2-yl)benzonitrile (CAS 211172-79-1)
- 1-((Trifluoromethyl)thio)isoquinoline (CAS 1352009-96-1)
- 1-[(3-Bromophenyl)methyl]-3-methylimidazolidin-2-one (CAS 950577-10-3)
- 3-Methoxy-2-(piperidin-4-yloxy)pyridine hydrochloride (CAS 1774905-16-6)
- Losartan Impurity N3 (CAS 133910-00-6)
- 2-Amino-7,7-dimethyl-5-oxo-4-(4-(trifluoromethoxy)phenyl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile (CAS 340808-47-1)
- 2-(Methanesulfonylmethyl)aniline (CAS 25195-69-1)
- 3-Fluoro-2-methyl-5-nitropyridine (CAS 1806428-76-1)
- 6-Nitro-2-phenyl-1H-1,3-benzimidazol-1-ol (CAS 10066-14-5)
- Ethyl 1-(4-formyl-2-nitrophenyl)-4-piperidinecarboxylate (CAS 885949-64-4)
- [y-Glu3]-Semaglutide Impurity 135 (CAS CATO-C4X-2226135)
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