N-Methyl-[2-(1-benzylindol-5-yl)ethane-1-sulfonamide CAS 894351-85-0
| CAS No. | 894351-85-0 |
| Molecular Formula | C18H20N2O2S |
| Molecular Weight | 328.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C18H20N2O2S, N-Methyl-[2-(1-benzylindol-5-yl)ethane-1-sulfonamide contains a steroid 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 328.43 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).
N-Methyl-[2-(1-benzylindol-5-yl)ethane-1-sulfonamide (CAS 894351-85-0), molecular formula C18H20N2O2S and molecular weight 328.43 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 | C18H20N2O2S |
| Molecular Weight | 328.43 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 | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
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- Propanoic acid, 3-[[bis(2-methylpropoxy)phosphinothioyl]thio]-2-methyl- (CAS 268567-32-4)
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- 2-(2,3,4-Trifluorophenyl)butanoic acid (CAS 1342382-96-0)
- Spiro[chromane-2,1'-cyclopentan]-4-amine hydrochloride (CAS 1609395-35-8)
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- (Z)-Methoxy({6-[(4-methylphenyl)sulfanyl]imidazo[2,1-b][1,3]thiazol-5-yl}methylidene)amine (CAS 339022-83-2)
- 1-(3,4-Difluorophenyl)-3-methylbutan-1-amine hydrochloride (CAS 1219455-80-7)
- Almotriptan EP Impurity E Hydrochloride (CAS 1391054-49-1)
- [D-Ser6]-Semaglutide (CAS CATO-C4X-2226287)
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