3-Methyl-4-nitroisoxazole-5-carbaldehyde CAS 6436-64-2
| CAS No. | 6436-64-2 |
| Molecular Formula | C5H4N2O4 |
| Molecular Weight | 156.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Methyl-4-nitroisoxazole-5-carbaldehyde is closely related to a carbohydrate-derived structure, an amide group in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-Methyl-4-nitroisoxazole-5-carbaldehyde (CAS 6436-64-2) is a high-purity analytical reference standard with the molecular formula C5H4N2O4 and a molecular weight of 156.10 g/mol.
Based on its molecular formula C5H4N2O4, 3-Methyl-4-nitroisoxazole-5-carbaldehyde contains a carbohydrate-derived structure, an amide group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 156.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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-4-nitroisoxazole-5-carbaldehyde 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 | C5H4N2O4 |
| Molecular Weight | 156.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 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)
- 5-Methyl-4-nitroisoxazole-3-carboxylic Acid (CAS 960225-75-6)
- Methyl 3-nitroisoxazole-5-carboxylate (CAS 40995-06-0)
- 3-Methyl-4-nitroisoxazole (CAS 1122-05-0)
- 5-Methyl-4-nitroisoxazole (CAS 1122-06-1)
Recommended Standards
- 3H-Pyrazole-3,5-dicarboxylic acid (CAS 85908-17-4)
- 3-Nitro-1h-pyrazole-4-carboxamide (CAS 39205-91-9)
- 3-carbamoyl-1,2-oxazole-5-carboxylic acid (CAS 251912-77-3)
- 3-Nitro-1h-pyrazole-5-carboxamide (CAS 297149-32-7)
- (R)-Bn-Phox (CAS 314020-70-7)
- N,1-Dimethyl-1H-pyrazole-4-propanamine (CAS 1227465-68-0)
- 3-(3-Fluorophenyl)-1-methylpyrrolidine-2,5-dione (CAS 60050-33-1)
- 4-[(Morpholin-4-yl)carbonyl]phenol (CAS 18137-25-2)
- 6,7-Dimethoxy-1-(4-methoxyphenyl)isochroman-3-one (CAS 299441-36-4)
- 1-(3-Chlorophenyl)-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-one (CAS 874766-68-4)
- (5BS,6R,12bR)-13-methyl-5b,6,7,12b,13,14-hexahydro-[1,3]dioxolo[4',5':4,5]benzo[1,2-c][1,3]dioxolo[4,5-i]phenanthridin-6-ol (CAS 88200-01-5)
- APC 366 - API Standards (CAS 158921-85-8)
- 3-Nitro-N-octadecylbenzamide (CAS 109799-65-7)
- Peptide-GMF (CAS CATO-CPTD788469)
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 18665070610 / Nicole.chen@cato-chem.com