4-(5-Tert-butyl-2,3-dimethylbenzenesulfonamido)benzoic acid CAS 380344-35-4
| CAS No. | 380344-35-4 |
| Molecular Formula | C19H23NO4S |
| Molecular Weight | 361.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C19H23NO4S, 4-(5-Tert-butyl-2,3-dimethylbenzenesulfonamido)benzoic acid contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 361.46 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
4-(5-Tert-butyl-2,3-dimethylbenzenesulfonamido)benzoic acid (CAS 380344-35-4), molecular formula C19H23NO4S and molecular weight 361.46 g/mol, is a CATO reference standard with documented purity and traceability.
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), 4-(5-Tert-butyl-2,3-dimethylbenzenesulfonamido)benzoic 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 | C19H23NO4S |
| Molecular Weight | 361.46 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- 4-(2-Ethylphenyl)-5-((naphthalen-1-yloxy)methyl)-4H-1,2,4-triazole-3-thiol (CAS 917746-69-1)
- 5-Amino-N-(2-methoxyphenyl)-2-(piperidin-1-yl)benzene-1-sulfonamide (CAS 326022-99-5)
- 4-(2,5-Dimethylphenyl)-5-((naphthalen-1-yloxy)methyl)-4H-1,2,4-triazole-3-thiol (CAS 917746-63-5)
- 5-Amino-N-(4-methoxyphenyl)-2-(piperidin-1-yl)benzene-1-sulfonamide (CAS 326034-12-2)
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- 2-Cyclopropylethyl 2-[(2-cyclopropylethyl)amino]-5-fluorobenzoate (CAS 1353504-54-7)
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