N-(2-((2-Hydroxy-5-nitrobenzylidene)amino)phenyl)-4-methylbenzenesulfonamide CAS 29136-73-0
| CAS No. | 29136-73-0 |
| Molecular Formula | C20H17N3O5S |
| Molecular Weight | 411.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of N-(2-((2-Hydroxy-5-nitrobenzylidene)amino)phenyl)-4-methylbenzenesulfonamide is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
N-(2-((2-Hydroxy-5-nitrobenzylidene)amino)phenyl)-4-methylbenzenesulfonamide (CAS 29136-73-0) is a high-purity analytical reference standard with the molecular formula C20H17N3O5S and a molecular weight of 411.43 g/mol.
Based on its molecular formula C20H17N3O5S, N-(2-((2-Hydroxy-5-nitrobenzylidene)amino)phenyl)-4-methylbenzenesulfonamide 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 411.43 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), N-(2-((2-Hydroxy-5-nitrobenzylidene)amino)phenyl)-4-methylbenzenesulfonamide 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 | C20H17N3O5S |
| Molecular Weight | 411.43 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related N Standards
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Recommended Standards
- 6-((4-Nitrophenyl)amino)-8-(phenylsulfonyl)-2,3-dihydroindolizin-5(1H)-one (CAS 612065-26-6)
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- 2-(Diphenylphosphoryl)-N,N-diphenylacetamide (CAS 90185-35-6)
- N-Benzyl-4-(diphenylphosphoryl)benzamide (CAS 90304-92-0)
- 4-Propyl-1,2,3,4-tetrahydroquinolin-7-ol (CAS 179898-80-7)
- t-Boc-Aminooxy-PEG7-methane (CAS 2055041-27-3)
- 3-(4-Morpholin-4-ylphenyl)acrylic acid (CAS 66377-37-5)
- Rel-benzyl (4-((1r,3s,5s)-3-((tert-butyldimethylsilyl)oxy)-5-methylcyclohexyl)pyridin-3-yl)carbamate (CAS 1187055-99-7)
- Quinolin-8-yl furan-2-carboxylate (CAS 18060-51-0)
- Lidamidine (CAS 66871-56-5)
- 2-Chloro-5-fluoro-4-methylbenzothiazole (CAS 1188138-85-3)
- Flavanthrone (CAS 475-71-8)
- 4-Bromo-6-chloro-2-(difluoromethyl)nicotinoyl chloride (CAS 1805341-99-4)
- Staphylococcus Aureus Protein A (SpA)-Derived Peptide (H-2228.0005) (CAS 144979-26-0)
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