N-(3,4-Dimethylisoxazol-5-yl)-4-nitrobenzenesulfonamide CAS 184644-22-2
| CAS No. | 184644-22-2 |
| Molecular Formula | C11H11N3O5S |
| Molecular Weight | 297.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
N-(3,4-Dimethylisoxazol-5-yl)-4-nitrobenzenesulfonamide (CAS 184644-22-2), molecular formula C11H11N3O5S and molecular weight 297.29 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, N-(3,4-Dimethylisoxazol-5-yl)-4-nitrobenzenesulfonamide (C11H11N3O5S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 297.29 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures N-(3,4-Dimethylisoxazol-5-yl)-4-nitrobenzenesulfonamide 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 | C11H11N3O5S |
| Molecular Weight | 297.29 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2009 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related N Standards
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- 2-(2-((3,5-Dimethylisoxazol-4-yl)(hydroxy)methyl)benzofuran-5-yl)acetic acid (CAS 1421949-06-5)
- 4-[(3,5-Dimethylisoxazol-4-yl)methoxy]-benzenesulfonyl chloride (CAS 936822-38-7)
- N-((3,5-Dimethylisoxazol-4-yl)sulfonyl)-N-(2-methoxyethyl)glycine (CAS 1033194-58-9)
- 3-{[(3,5-Dimethylisoxazol-4-yl)methoxy]methyl}-4-methoxybenzoic acid (CAS 1119452-78-6)
- (2E)-3-{4-[(3,5-dimethylisoxazol-4-yl)methoxy]-3-methoxyphenyl}acrylic acid (CAS 851903-42-9)
- 2-(3-(3,5-Dimethylisoxazol-4-yl)adamantan-1-yl)acetohydrazide (CAS 438220-49-6)
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Recommended Standards
- 2-Fluoro-N-(2-(2-methyl-1H-imidazol-1-yl)pyrimidin-5-yl)benzamide (CAS 1421483-53-5)
- [({[(4-cyanophenyl)sulfonyl]amino}acetyl)amino]acetic acid (CAS 851116-65-9)
- N-(2-(1H-Pyrazol-1-yl)pyrimidin-5-yl)-2-(4-fluorophenyl)acetamide (CAS 1421458-36-7)
- 5-Amino-N-(4-fluorophenyl)-1-phenyl-1H-1,2,3-triazole-4-carboxamide (CAS 443110-39-2)
- 2-(4-AMino-1H-pyrazol-1-yl)ethanol (CAS 948571-47-9)
- 1-(3-Amino-phenoxy)-3-methoxy-propan-2-ol (CAS 1171934-96-5)
- Ethyl 2-(m-tolylthio)propanoate (CAS 1249700-29-5)
- 2-(4-chlorophenoxy)-2-methylpropanenitrile (CAS 24889-11-0)
- Methyl 5-(4-Hydroxyphenyl)pentanoate (CAS 64201-30-5)
- (3-Bromophenyl)(3,4,5-trifluorophenyl)methanol (CAS 1443351-63-0)
- 1-(8-Bromonaphthalen-1-yl)cyclopropane-1-carbonitrile (CAS 2114654-72-5)
- 1,3-Bis(2-hydroxyethyl)pyrimidine-2,4(1H,3H)-dione (CAS 711-66-0)
- Diethyl 1-(2-(4-fluorophenyl)-2-oxoethyl)-1H-1,2,3-triazole-4,5-dicarboxylate (CAS 1610376-99-2)
- Semaglutide Impurity 137 (x TFA Salt) (CAS CATO-C4X-2226137)
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