Methanesulfonic acid-2-propyn-1-ol CAS 16156-58-4
| CAS No. | 16156-58-4 |
| Molecular Formula | C4H6O3S |
| Molecular Weight | 134.15 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 Methanesulfonic acid-2-propyn-1-ol (CAS 16156-58-4), a certified reference material (molecular formula C4H6O3S, MW 134.15 g/mol) for analytical method development and quality control.
Methanesulfonic acid-2-propyn-1-ol (C4H6O3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
As a certified reference material (CRM), Methanesulfonic acid-2-propyn-1-ol 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 | C4H6O3S |
| Molecular Weight | 134.15 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) | 2.0 |
| CAS Registry Year (est.) | 1961 |
| Sulfur Atoms | 1 |
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Why CATO?
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