| CAS No. | 19455-20-0 |
| Molecular Formula | C4H7KO2 |
| Molecular Weight | 126.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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 Potassium isobutyrate (CAS 19455-20-0), a certified reference material (molecular formula C4H7KO2, MW 126.20 g/mol) for analytical method development and quality control.
Based on its molecular formula C4H7KO2, Potassium isobutyrate contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 126.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
As a certified reference material (CRM), Potassium isobutyrate 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.
| Molecular Formula | C4H7KO2 |
| Molecular Weight | 126.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.5 |
| CAS Registry Year (est.) | 1962 |