Sodium 5-methylisoxazole-3-carboxylate CAS 85392-50-3
| CAS No. | 85392-50-3 |
| Molecular Formula | C5H4NO3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Sodium 5-methylisoxazole-3-carboxylate (CAS 85392-50-3), a certified reference material (molecular formula C5H4NO3Na, MW 149.08 g/mol) for analytical method development and quality control.
Based on its molecular formula C5H4NO3Na, Sodium 5-methylisoxazole-3-carboxylate contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 149.08 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Sodium 5-methylisoxazole-3-carboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H4NO3 Na |
| Molecular Weight | 149.08 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) | 4.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1981 |
| Nitrogen Atoms | 1 |
Related Sodium Standards
- Methyl 3-methylisoxazole-5-carboxylate (CAS 1004-96-2)
- 3-Methylisoxazole-4-acetic Acid (CAS 1008304-86-6)
- 1-(3-Methylisoxazole-5-carboxamido)cyclohexane-1-carboxylic acid (CAS 1042634-46-7)
- 4-(5-Methylisoxazole-3-carboxamido)butanoic acid (CAS 1042645-58-8)
- 1-(3-Methylisoxazole-5-carbonyl)piperidine-3-carboxylic acid (CAS 1042646-62-7)
- 3-Ethyl-5-methylisoxazole-4-carbohydrazide (CAS 1094733-72-8)
- 5-Methylisoxazole-4-carboxamide (CAS 1097817-28-1)
- 4-Methylisoxazole-5-carbonyl chloride (CAS 1108713-21-8)
Recommended Standards
- Ethyl 3-(4-chloro-3-nitro-1h-pyrazol-1-yl)propanoate (CAS 1004644-11-4)
- (6-Chloro-2-(difluoromethyl)-5-fluoropyridin-3-yl)methanol (CAS 1805260-30-3)
- N-methyl-1-(5-(pyridin-4-yl)thiophen-2-yl)methanamine (CAS 934570-47-5)
- 3,6,9,12-tetrathiatetradecane-1,14-diol (CAS 99868-22-1)
- Byakangelicol (CAS 61046-59-1)
- 7-(2-(3-Hydroxyoctyl)-5-oxopyrrolidin-1-yl)heptanoic acid (CAS 64054-40-6)
- Methyl 1-vinyl-1H-pyrazole-3-carboxylate (CAS 122609-01-2)
- 2-(4-Hydroxyphenyl)-1H-pyrrolo[3,4-c]pyridine-1,3(2H)-dione (CAS 1284399-56-9)
- 3-(4-Fluorophenyl)-2-methoxy-6-(trifluoromethyl)pyridine (CAS 1214331-65-3)
- Semaglutide impurity 273 (CAS CATO-C4X-2226273)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com