1-Butanesulfonic acid sodium salt monohydrate, 99%, for ion-pair chromatography CAS 127791-51-9
| CAS No. | 127791-51-9 |
| Molecular Formula | C4H9O3S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1-Butanesulfonic acid sodium salt monohydrate, 99%, for ion-pair chromatography (CAS 127791-51-9) is a high-purity analytical reference standard with the molecular formula C4H9O3SNaH2O and a molecular weight of 178.18 g/mol.
Structurally, 1-Butanesulfonic acid sodium salt monohydrate, 99%, for ion-pair chromatography (C4H9O3SNaH2O) contains a carbohydrate-derived structure, a sulfone group. The molecule exhibits a degree of unsaturation (DBE) of -0.5, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 178.18 g/mol, it falls into the medium-molecular-weight range.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C4H9O3S Na H2O |
| Molecular Weight | 178.18 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) | -0.5 |
| CAS Registry Year (est.) | 1993 |
| Sulfur Atoms | 1 |
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