Methyl 3-((4-methylphenyl)sulfonamido)thiophene-2-carboxylate CAS 79128-72-6
| CAS No. | 79128-72-6 |
| Molecular Formula | C13H13NO4S2 |
| Molecular Weight | 311.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 3-((4-methylphenyl)sulfonamido)thiophene-2-carboxylate (C13H13NO4S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. 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).
CATO supplies Methyl 3-((4-methylphenyl)sulfonamido)thiophene-2-carboxylate (CAS 79128-72-6), a certified reference material (molecular formula C13H13NO4S2, MW 311.38 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Methyl 3-((4-methylphenyl)sulfonamido)thiophene-2-carboxylate 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 | C13H13NO4S2 |
| Molecular Weight | 311.38 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Methyl Standards
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Recommended Standards
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- (R)-2-(2,5-dichloro-3-fluorophenyl)pyrrolidine (CAS 1213848-83-9)
- 2-(Aminothio)-6-methylpyrimidin-4(1H)-one (CAS 717086-59-4)
- 5-Methyl-3-phenyl-1-tosyl-1H-1,2,4-triazole (CAS 647376-09-8)
- 1-(4-Bromobenzyl)-4-phenyl-1H-1,2,3-triazol-5-amine (CAS 885950-28-7)
- 4,6-Dichloro-2-fluoro-3-methoxybenzoic acid (CAS 2365420-17-1)
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- N-(5-bromopyridin-2-yl)-N-(3-(2,6-dichlorophenyl)-5-methylisoxazol-4-yl)formamide (CAS 652965-63-4)
- Semaglutide Impurity 1(OtBu-Ste-D-γGlu(OtBu)-AEEA-AEEA-OH) (CAS CATO-C4X-22261)
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