3-(N-(4-chloro-3-methylisoxazol-5-yl)sulfamoyl)thiophene-2-carboxylic acid CAS 184040-74-2
| CAS No. | 184040-74-2 |
| Molecular Formula | C9H7ClN2O5S2 |
| Molecular Weight | 322.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 322.75 g/mol gives 3-(N-(4-chloro-3-methylisoxazol-5-yl)sulfamoyl)thiophene-2-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-(N-(4-chloro-3-methylisoxazol-5-yl)sulfamoyl)thiophene-2-carboxylic acid (CAS 184040-74-2), a certified reference material (molecular formula C9H7ClN2O5S2, MW 322.75 g/mol) for analytical method development and quality control.
The molecular framework of 3-(N-(4-chloro-3-methylisoxazol-5-yl)sulfamoyl)thiophene-2-carboxylic acid (C9H7ClN2O5S2) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
CATO manufactures 3-(N-(4-chloro-3-methylisoxazol-5-yl)sulfamoyl)thiophene-2-carboxylic acid 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 | C9H7ClN2O5S2 |
| Molecular Weight | 322.75 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2009 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
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- 3-Aminoquinoline-4-thiol (CAS 109543-48-8)
- (R)-2-(1-Acetyl-1H-pyrrol-2-yl)-2-hydroxyacetonitrile (CAS 121950-16-1)
- 5-Chloro-4-(piperidin-1-yl)-7H-pyrrolo[2,3-d]pyrimidine (CAS 252722-86-4)
- 5-[2-(2,6-dioxo-3-piperidyl)-1-oxo-isoindolin-5-yl]pentanal (CAS 2229715-02-8)
- (2-Bromo-6-(difluoromethyl)-5-nitropyridin-3-yl)methanol (CAS 1805358-13-7)
- Pyridin-3-yl(2-(trifluoromethyl)phenyl)methanone (CAS 110141-46-3)
- N-(5-amino-4-methylpyridin-2-yl)acetamide (CAS 475060-18-5)
- 6-Methyl-8,9-dihydro-3H-pyrrolo[3,2-f]isoquinoline (CAS 58491-35-3)
- Semaglutide impurity 259 (CAS CATO-C4X-2226259)
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