5-Methyl-4-nitroisoxazole CAS 1122-06-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1122-06-1 |
| Molecular Formula | C4H4N2O3 |
| Molecular Weight | 128.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Methyl-4-nitroisoxazole (CAS 1122-06-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H4N2O3. Molecular weight: 128.09 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H4N2O3 |
| Molecular Weight | 128.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 3-Methyl-4-nitroisoxazole (CAS 1122-05-0)
- 4-Nitroisoxazole (CAS 1121-13-7)
- 3-Nitroisoxazole (CAS 39485-31-9)
- 3-Methyl-4-nitroisoxazole-5-carbaldehyde (CAS 6436-64-2)
- 3-Nitroisoxazole-5-carboxamide (CAS 1224594-00-6)
- 5-Nitroisoxazole-3-carboxylic acid (CAS 1368191-38-1)
- Methyl 5-nitroisoxazole-3-carboxylate (CAS 1367269-14-4)
- 3-Methyl-4-nitroisoxazole-5-carboxylic acid (CAS 89282-13-3)
Recommended Standards
- 1-Methyl-5-nitro-1,2,3-triazole (CAS 1204736-25-3)
- 1-Methyl-4-nitro-1,2,3-triazole (CAS 107945-66-4)
- 2-hydrazinyl-4,5-dihydro-1H-imidazole-4,5-dione (CAS 1216225-52-3)
- 2-Methyl-2,4,5,6-tetrahydropyrrolo[3,4-c]pyrazole (CAS 752176-43-5)
- 4-(Trifluoromethyl)tetrahydro-2H-pyran-4-carboxylic acid (CAS 1524761-14-5)
- 2-(Pyridin-4-ylmethoxy)isoindoline-1,3-dione (CAS 38939-64-9)
- 4-{[(5-Oxo-1-phenylpyrrolidin-3-yl)carbonyl]-amino}benzoic acid (CAS 401822-11-5)
- N-Phenylnaphtho[2,3-b]benzofuran-3-amine (CAS 2306725-28-8)
- N-(6-methylpyridin-2-yl)piperidine-4-carboxamide (CAS 110105-99-2)
- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com