2-(3,4-Dichlorobenzenesulfonamido)-3-methylbutanoic acid CAS 1008396-63-1
| CAS No. | 1008396-63-1 |
| Molecular Formula | C11H13Cl2NO4S |
| Molecular Weight | 326.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-(3,4-Dichlorobenzenesulfonamido)-3-methylbutanoic acid is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-(3,4-Dichlorobenzenesulfonamido)-3-methylbutanoic acid (CAS 1008396-63-1) is a high-purity analytical reference standard with the molecular formula C11H13Cl2NO4S and a molecular weight of 326.20 g/mol.
Structurally, 2-(3,4-Dichlorobenzenesulfonamido)-3-methylbutanoic acid (C11H13Cl2NO4S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 326.20 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), 2-(3,4-Dichlorobenzenesulfonamido)-3-methylbutanoic 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 | C11H13Cl2NO4S |
| Molecular Weight | 326.20 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dichlorobenzenesulfonamido Standards
- 2-(3,4-Dichlorobenzenesulfonamido)-3-hydroxybutanoic acid (CAS 1009233-17-3)
- 2-(2,6-Dichlorobenzenesulfonamido)-4-methylpentanoic acid (CAS 1009003-67-1)
- 4-(3,4-Dichlorobenzenesulfonamido)butanoic acid (CAS 571149-29-6)
- 2-(3,4-Dichlorobenzenesulfonamido)benzoic acid (CAS 96460-18-3)
- 3-(2,5-Dichlorobenzenesulfonamido)benzoic acid (CAS 88522-30-9)
- 3-(3,4-Dichlorobenzenesulfonamido)benzoic acid (CAS 380432-28-0)
- 4-(2,5-Dichlorobenzenesulfonamido)benzoic acid (CAS 88522-31-0)
- 4-(3,4-Dichlorobenzenesulfonamido)benzoic acid (CAS 328106-71-4)
Recommended Standards
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- (2Z,3E)-6'-Bromo-3-(hydroxyimino)-1'-methyl-[2,3'-biindolinylidene]-2'-one (CAS 667463-95-8)
- 1-[(1e)-3-bromoprop-1-en-1-yl]-2-nitrobenzene (CAS 443305-35-9)
- N-(3-Ethoxypropyl)-2,5-dimethoxybenzenesulfonamide (CAS 861239-47-6)
- 5-Cyclopropoxy-6-methoxypicolinamide (CAS 1243388-10-4)
- Des-Val23-Tirzepatide (CAS CATO-CPTD788950)
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