1-Ethyl-N,N-dimethyl-2-(pyridin-3-yl)-1H-benzo[d]imidazole-5-sulfonamide CAS 852955-74-9
| CAS No. | 852955-74-9 |
| Molecular Formula | C16H18N4O2S |
| Molecular Weight | 330.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1-Ethyl-N,N-dimethyl-2-(pyridin-3-yl)-1H-benzo[d]imidazole-5-sulfonamide (CAS 852955-74-9) is a high-purity analytical reference standard with the molecular formula C16H18N4O2S and a molecular weight of 330.40 g/mol.
Based on its molecular formula C16H18N4O2S, 1-Ethyl-N,N-dimethyl-2-(pyridin-3-yl)-1H-benzo[d]imidazole-5-sulfonamide contains a nitrogen-containing heterocyclic scaffold, 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 330.40 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H18N4O2S |
| Molecular Weight | 330.40 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Recommended Standards
- 1-Ethyl-N,N-dimethyl-2-(pyridin-2-yl)-1H-benzo[d]imidazole-5-sulfonamide (CAS 852681-12-0)
- 1-Ethyl-N,N-dimethyl-2-(pyridin-4-yl)-1H-benzo[d]imidazole-5-sulfonamide (CAS 921220-96-4)
- 1-Ethyl-6-(pyrrolidin-1-ylsulfonyl)benzo[cd]indol-2(1H)-one (CAS 304685-40-3)
- 2-((2,4-Dimethylphenyl)amino)-2-oxoethyl 2-(methylthio)nicotinate (CAS 475055-67-5)
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- (R)-2-Amino-4-oxopentanoic acid (CAS 772325-69-6)
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