Ethyl Potassium Oxalate CAS 1906-57-6
| CAS No. | 1906-57-6 |
| Molecular Formula | C4H5O4 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl Potassium Oxalate (C4H5O4K) contains a carbohydrate-derived structure. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
CATO supplies Ethyl Potassium Oxalate (CAS 1906-57-6), a certified reference material (molecular formula C4H5O4K, MW 156.18 g/mol) for analytical method development and quality control.
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 manufactures Ethyl Potassium Oxalate 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 | C4H5O4 K |
| Molecular Weight | 156.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.5 |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
- 4-Chloro-2-fluoro-5-nitrobenzonitrile (CAS 1242269-80-2)
- tert-Butyl (4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5-((triisopropylsilyl)ethynyl)naphthalen-2-yl)carbamate (CAS 2856022-49-4)
- 2-Deoxy-2,2-difluoro-4,5-O-(1-methylethylidene)-D-threo-pentonic Acid Ethyl Ester 2-Deoxy-2,2-difluoro-4,5-O-isopropylidene-D-threo-pentonic Acid Ethyl Ester 95058-93-8 (CAS 95058-93-8)
- 5-Cyclopropoxypyridine-3-sulfonamide (CAS 1243463-72-0)
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- p-Benzoquinone-d4 (CAS 2237-14-1)
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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