2-Mercapto-5-benzimidazolesulfonic Acid Sodium Salt 207511-11-3 M1270 Sodium 2-Mercapto-5-benzimidazolesulfonate CAS 207511-11-3
| CAS No. | 207511-11-3 |
| Molecular Formula | C7H13N2O3S2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Mercapto-5-benzimidazolesulfonic Acid Sodium Salt 207511-11-3 M1270 Sodium 2-Mercapto-5-benzimidazolesulfonate (CAS 207511-11-3) is a high-purity analytical reference standard with the molecular formula C7H13N2O3S2NaH2O and a molecular weight of 278.32 g/mol.
Structurally, 2-Mercapto-5-benzimidazolesulfonic Acid Sodium Salt 207511-11-3 M1270 Sodium 2-Mercapto-5-benzimidazolesulfonate (C7H13N2O3S2NaH2O) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 1.5, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 278.32 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-Mercapto-5-benzimidazolesulfonic Acid Sodium Salt 207511-11-3 M1270 Sodium 2-Mercapto-5-benzimidazolesulfonate 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 | C7H13N2O3S2 Na 2*H2O |
| Molecular Weight | 278.32 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.5 |
| CAS Registry Year (est.) | 2016 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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