N-(1-benzyl-1H-benzo[d]imidazol-2-yl)-2-nitrobenzenesulfonamide CAS 400085-48-5
| CAS No. | 400085-48-5 |
| Molecular Formula | C20H16N4O4S |
| Molecular Weight | 408.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C20H16N4O4S, N-(1-benzyl-1H-benzo[d]imidazol-2-yl)-2-nitrobenzenesulfonamide 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 408.43 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.
N-(1-benzyl-1H-benzo[d]imidazol-2-yl)-2-nitrobenzenesulfonamide (CAS 400085-48-5), molecular formula C20H16N4O4S and molecular weight 408.43 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C20H16N4O4S |
| Molecular Weight | 408.43 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Recommended Standards
- Methyl 4,5-dimethoxy-2-(3-tosylureido)benzoate (CAS 351163-72-9)
- N-(4-amino-3-methoxy-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzenesulfonamide (CAS 69563-51-5)
- Cefonicid Impurity 1 (CAS 61270-71-1)
- N,N-Diethyl-4-(4-formyl-2-methoxyphenoxy)-3-nitrobenzenesulfonamide (CAS 556020-33-8)
- Murrangatin (CAS 37126-91-3)
- 1-(Benzyloxy)-3-chloropropane (CAS 26420-79-1)
- Methylbenactyzium Bromide (CAS 3166-62-9)
- SO2(Formaldehyde Assay) In Air（Water） (CAS CATO-CCRM106101)
- Ethyl 1-(prop-2-yn-1-yl)piperidine-3-carboxylate (CAS 1234357-94-8)
- 2-Bromo-6-(2-methylbutoxy)naphthalene (CAS 146204-18-4)
- 2-Methyl-1H-imidazo[4,5-b]pyridin-5-amine (CAS 860351-22-0)
- Indolizin-2-yl(7-phenyl-1,4-thiazepan-4-yl)methanone (CAS 1797562-24-3)
- 2-(((3-Carboxyoxazolidin-5-yl)oxy)carbonyl)oxazolidine-3-carboxylic acid (CAS 62935-85-7)
- Semaglutide impurity 36 (CAS CATO-C4X-222636)
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