59337-97-2 2-Thiophenecarboxylic acid, 3-(aminosulfonyl)- 3-(Aminosulfonyl)-2-thiophenecarboxylic acid 3-Sulfamoylthiophene-2-carboxylic acid CAS 59337-97-2
| CAS No. | 59337-97-2 |
| Molecular Formula | C5H9NO4S2 |
| Molecular Weight | 211.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 59337-97-2 2-Thiophenecarboxylic acid, 3-(aminosulfonyl)- 3-(Aminosulfonyl)-2-thiophenecarboxylic acid 3-Sulfamoylthiophene-2-carboxylic acid.
59337-97-2 2-Thiophenecarboxylic acid, 3-(aminosulfonyl)- 3-(Aminosulfonyl)-2-thiophenecarboxylic acid 3-Sulfamoylthiophene-2-carboxylic acid (CAS 59337-97-2), molecular formula C5H9NO4S2 and molecular weight 211.26 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 59337-97-2 2-Thiophenecarboxylic acid, 3-(aminosulfonyl)- 3-(Aminosulfonyl)-2-thiophenecarboxylic acid 3-Sulfamoylthiophene-2-carboxylic acid (C5H9NO4S2) contains a carbohydrate-derived structure, an amide group, a sulfone group. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 211.26 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.
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.
As a certified reference material (CRM), 59337-97-2 2-Thiophenecarboxylic acid, 3-(aminosulfonyl)- 3-(Aminosulfonyl)-2-thiophenecarboxylic acid 3-Sulfamoylthiophene-2-carboxylic acid 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 | C5H9NO4S2 |
| Molecular Weight | 211.26 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) | 2.0 |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
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- 4-Aminothiophene-2-carbaldehyde (CAS 57500-52-4)
- 2-METHYL-3-OXO-3,4-DIHYDRO-2H-BENZO[B][1,4]OXAZINE-6-CARBONITRILE (CAS 916210-01-0)
- Insulin Degludec Impurity 25 (CAS CATO-C4X-215725)
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