Methyl 3-nitroisoxazole-5-carboxylate CAS 40995-06-0
| CAS No. | 40995-06-0 |
| Molecular Formula | C5H4N2O5 |
| Molecular Weight | 172.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Methyl 3-nitroisoxazole-5-carboxylate (C5H4N2O5) contains a carbohydrate-derived structure, an amide group. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 172.10 g/mol, it falls into the medium-molecular-weight range. 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).
Methyl 3-nitroisoxazole-5-carboxylate (CAS 40995-06-0) is a high-purity analytical reference standard with the molecular formula C5H4N2O5 and a molecular weight of 172.10 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 Methyl 3-nitroisoxazole-5-carboxylate 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 | C5H4N2O5 |
| Molecular Weight | 172.10 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.) | 1968 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 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)
- Ethyl 3-nitroisoxazole-5-carboxylate (CAS 1224593-92-3)
- Ethyl 5-nitroisoxazole-3-carboxylate (CAS 155088-43-0)
- 5-Nitroisoxazole-3-carboxylic acid (CAS 1368191-38-1)
- 3-Nitroisoxazole-5-carboxamide (CAS 1224594-00-6)
- 3-Methyl-4-nitroisoxazole-5-carbaldehyde (CAS 6436-64-2)
Recommended Standards
- Methyl 3-nitro-1h-1,2,4-triazole-5-carboxylate (CAS 21733-00-6)
- Methyl 5-nitro-2H-1,2,3-triazole-4-carboxylate (CAS 524036-06-4)
- Methyl 3,3,3-trifluoro-2-hydroxy-2-methylpropanoate (CAS 337-16-6)
- Ornidazole Impurity 23 (CAS 19183-16-5)
- (Asp371)-Tyrosinase (369-377) (human) trifluoroacetate salt (CAS 168650-46-2)
- 4-Amino-3-chloro-n-methylbenzamide (CAS 408316-92-7)
- 8-Bromo-6-methyl-2-phenylquinolin-4-amine (CAS 1189106-56-6)
- 2-Chloro-4,6-bis(trifluoromethyl)benzaldehyde (CAS 916420-48-9)
- 2-(Hydroxymethyl)-5-methylphenol (CAS 7405-12-1)
- 1-(3-(Trifluoromethyl)benzyl)urea (CAS 296277-59-3)
- tert-butyl (3R,4R)-3-acetoxy-4-azido-pyrrolidine-1-carboxylate (CAS 1214272-51-1)
- 7-Boc-7-azaspiro[3.5]nonane-2-carbonitrile (CAS 203662-66-2)
- Epimagnolin B (CAS 1134188-26-3)
- Peptide YY (human) trifluoroacetate salt (CAS 118997-30-1)
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