3-Methyl-4-(3-nitrophenyl)isoxazolo[3,4-d]pyridazin-7(6H)-one CAS 189306-89-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 189306-89-6 |
| Molecular Formula | C12H8N4O4 |
| Molecular Weight | 272.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 3-Methyl-4-(3-nitrophenyl)isoxazolo[3,4-d]pyridazin-7(6H)-one (CAS 189306-89-6) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C12H8N4O4. Molecular weight: 272.22 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C12H8N4O4 |
| Molecular Weight | 272.22 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2011 |
| Nitrogen Atoms | 4 |
Related Methyl Standards
- 3-Methyl-7-(2-nitrophenyl)isoxazolo[4,5-d]pyridazin-4(5H)-one (CAS 923569-70-4)
- 3-Methyl-7-(4-nitrophenyl)isoxazolo[4,5-d]pyridazin-4(5H)-one (CAS 923569-69-1)
- (3-Nitrophenyl)(4-nitrophenyl)methanone (CAS 1469-74-5)
- (2-Nitrophenyl)(3-nitrophenyl)methanone (CAS 60191-42-6)
- (2-Nitrophenyl)(4-nitrophenyl)methanone (CAS 79172-41-1)
- 2-(2-Nitrophenyl)-4H-furo[3,2-b]pyrrole-5-carboxylic acid (CAS 71971-08-9)
- Bis(2-nitrophenyl)methanone (CAS 51727-42-5)
- N-(4-Nitrophenyl)-2-phenoxyacetamide (CAS 102818-93-9)
Recommended Standards
- 1-(5-(3-Methyl-1,2,4-oxadiazol-5-yl)pyrimidin-4-yl)-1H-imidazole-4-carboxylic acid (CAS 1708080-77-6)
- (1-(4-Methoxyphenyl)-3-(trifluoromethyl)-1H-pyrazol-5-yl)methanol (CAS 218631-47-1)
- 1-(5-(3-Methyl-1,2,4-oxadiazol-5-yl)pyrimidin-4-yl)-1H-pyrazole-3-carboxylic acid (CAS 1707735-64-5)
- 3-[(tert-butoxy)methyl]-2-methylaniline (CAS 1156812-33-7)
- (E)-Methyl 2-cyano-3-ethoxyacrylate (CAS 29096-99-9)
- 5-Phenyl-1-trityltetrazole (CAS 154750-11-5)
- 1-Benzyl-1H-benzo[d][1,2,3]triazole-6-carbonitrile (CAS 1242069-42-6)
- 3-(Chloromethyl)-2-hydroxy-5-methylbenzaldehyde (CAS 192819-68-4)
- (4Z)-4-{[(2,4-dimethoxyphenyl)amino]methylidene}-1-methyl-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-one (CAS 320425-06-7)
- Des-Trp25-Tirzepatide (CAS CATO-CPTD788948)
Why CATO?
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