3-Ethyl-1-methyl-1H-imidazol-3-ium ethyl sulfate CAS 342573-75-5
| CAS No. | 342573-75-5 |
| Molecular Formula | C2H5O4S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-Ethyl-1-methyl-1H-imidazol-3-ium ethyl sulfate 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.
CATO supplies 3-Ethyl-1-methyl-1H-imidazol-3-ium ethyl sulfate (CAS 342573-75-5), a certified reference material (molecular formula C2H5O4SC6H11N2, MW 236.29 g/mol) for analytical method development and quality control.
Based on its molecular formula C2H5O4SC6H11N2, 3-Ethyl-1-methyl-1H-imidazol-3-ium ethyl sulfate contains an amide group, a sulfone group, 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 236.29 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.
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.
Physical & Chemical Properties
| Molecular Formula | C2H5O4S C6H11N2 |
| Molecular Weight | 236.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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