1-Ethynylcyclopropane-1-sulfinate (sodium) CAS 2917638-88-9
| CAS No. | 2917638-88-9 |
| Molecular Formula | C5H5NaO2S |
| Molecular Weight | 152.15 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.
1-Ethynylcyclopropane-1-sulfinate (sodium) (CAS 2917638-88-9) is a high-purity analytical reference standard with the molecular formula C5H5NaO2S and a molecular weight of 152.15 g/mol.
Based on its molecular formula C5H5NaO2S, 1-Ethynylcyclopropane-1-sulfinate (sodium) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 152.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 1-Ethynylcyclopropane-1-sulfinate (sodium) 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 | C5H5NaO2S |
| Molecular Weight | 152.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2004 |
| Sulfur Atoms | 1 |
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