3-(2,5-Dihydro-5-thioxo-1H-tetrazol-1-yl)-benzenesulfonic Acid Sodium Salt CAS 99131-26-7
| CAS No. | 99131-26-7 |
| Molecular Formula | C7H5N4O3S2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 280.25 g/mol gives 3-(2,5-Dihydro-5-thioxo-1H-tetrazol-1-yl)-benzenesulfonic Acid Sodium Salt distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-(2,5-Dihydro-5-thioxo-1H-tetrazol-1-yl)-benzenesulfonic Acid Sodium Salt (CAS 99131-26-7) is a high-purity analytical reference standard with the molecular formula C7H5N4O3S2Na and a molecular weight of 280.25 g/mol.
3-(2,5-Dihydro-5-thioxo-1H-tetrazol-1-yl)-benzenesulfonic Acid Sodium Salt (C7H5N4O3S2Na) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures 3-(2,5-Dihydro-5-thioxo-1H-tetrazol-1-yl)-benzenesulfonic Acid Sodium Salt under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H5N4O3S2 Na |
| Molecular Weight | 280.25 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 | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 3-Bromo-5-chloro-1H-pyrrolo[3,2-b]pyridine (CAS 1190310-75-8)
- Ethyl 1-(5-Methyl-1,3,4-oxadiazol-2-yl)piperidine-4-carboxylate (CAS 1268692-87-0)
- Sodium Houttuyfonate (CAS 83766-73-8)
- 1-(2-Bromobenzo[d]thiazol-6-yl)ethanone (CAS 882055-34-7)
- Empagliflozin impurity 189 (CAS CATO-C4X-1065189)
- H-m-Fluoro-D-Phe-OMe · HCl (CAS 201479-09-6)
- tert-Butyl 3-Cyanomorpholine-4-carboxylate (CAS 518047-40-0)
- 1-[(3-Amino-4-chlorophenyl)sulfonyl]-3-pyrrolidinol (CAS 1220018-04-1)
- Methyl 3-oxo-2,3-dihydropyridazine-4-carboxylate (CAS 89640-80-2)
- Semaglutide impurity 83 (CAS CATO-C4X-222683)
Why CATO?
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