N,5-Dimethyl-3-oxoisoxazole-2(3H)-carboxamide CAS 27066-57-5
| CAS No. | 27066-57-5 |
| Molecular Formula | C6H8N2O3 |
| Molecular Weight | 156.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO supplies N,5-Dimethyl-3-oxoisoxazole-2(3H)-carboxamide (CAS 27066-57-5), a certified reference material (molecular formula C6H8N2O3, MW 156.14 g/mol) for analytical method development and quality control.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, N,5-Dimethyl-3-oxoisoxazole-2(3H)-carboxamide is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 156.14 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures N,5-Dimethyl-3-oxoisoxazole-2(3H)-carboxamide 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 | C6H8N2O3 |
| Molecular Weight | 156.14 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 2 |
Related N Standards
- 3,3-Dimethyl-5-oxo-3H-1,2,4-triazole-4(5H)-carboxamide (CAS 119493-09-3)
- 1,3-Dimethyl-2-oxo-2,3-dihydro-1H-imidazole-4-carboxylic acid (CAS 17245-63-5)
- 1,5-Dimethyl-2-oxo-2,3-dihydro-1H-imidazole-4-carboxylic acid (CAS 1895681-18-1)
- 1,2-Dimethyl-4-nitro-1H-imidazol-5-amine (CAS 21677-57-6)
- 1,2-Dimethyl-5-nitro-1h-imidazol-4-amine (CAS 21677-56-5)
- 1,3-Dimethyl-4-nitro-1h-pyrazol-5-amine (CAS 76689-64-0)
- 1,3-Dimethyl-5-hydroxyuracil (CAS 408335-42-2)
- 3,5-Dimethyl-4-nitro-1H-pyrazol-1-amine (CAS 301326-14-7)
Recommended Standards
- N-(4-Methyloxazol-5-yl)hydrazinecarboxamide (CAS 2917-35-3)
- N,5-Dimethyl-4-nitro-1H-pyrazol-3-amine (CAS 53960-84-2)
- N-(3-Amino-5-oxo-4,5-dihydro-1H-pyrazol-4-yl)acetamide (CAS 99419-10-0)
- N-Ethyl-5-hydroxy-1H-1,2,3-triazole-4-carboxamide (CAS 766478-75-5)
- Dimethyl(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)phosphine oxide (CAS 2093110-21-3)
- 6-Methyl-1-nitronaphthalene (CAS 54755-20-3)
- 3-isocyanato-3,4-dihydro-2H-1-benzopyran (CAS 1284992-70-6)
- 4-Benzyltetrahydro-2h-pyran-4-amine hydrochloride (CAS 1385696-59-2)
- 4-Ethoxy-2-fluoropyridine (CAS 175965-82-9)
- Fmoc-D-iso-Gln (CAS 292150-20-0)
- 2,5,8,11,14,17-Hexaoxaoctadecane (CAS 1191-87-3)
- 23264-13-3 (2-Bromo-2-methylpropyl)benzene DTXSID30513496 (CAS 23264-13-3)
- Iridium, bis[2-(1-isoquinolinyl-κN)-9,9-dioctyl-9H-fluoren-3-yl-κC](2,2,6,6-tetramethyl-3,5-heptanedionato-κO3,κO5)- (CAS 1783870-51-8)
- Hexapeptide-1 (CAS CATO-CPTD788821)
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