Monoethyl Ester 1,2-Ethanedisulfonic Acid CAS 857728-63-3
| CAS No. | 857728-63-3 |
| Molecular Formula | C4H10O6S2 |
| Molecular Weight | 218.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Monoethyl Ester 1,2-Ethanedisulfonic Acid (CAS 857728-63-3) is a high-purity analytical reference standard with the molecular formula C4H10O6S2 and a molecular weight of 218.25 g/mol.
Structurally, Monoethyl Ester 1,2-Ethanedisulfonic Acid (C4H10O6S2) contains a carbohydrate-derived structure, a sulfone group. The molecule exhibits a degree of unsaturation (DBE) of 0.0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 218.25 g/mol, it falls into the medium-molecular-weight range.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C4H10O6S2 |
| Molecular Weight | 218.25 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 2 |
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