N-(2-Ethylphenyl)-3-(3-methylphenyl)-2-(2H-1,2,3,4-tetrazol-5-yl)propanamide CAS 483993-91-5
| CAS No. | 483993-91-5 |
| Molecular Formula | C19H21N5O |
| Molecular Weight | 335.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-(2-Ethylphenyl)-3-(3-methylphenyl)-2-(2H-1,2,3,4-tetrazol-5-yl)propanamide (CAS 483993-91-5), molecular formula C19H21N5O and molecular weight 335.40 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H21N5O, N-(2-Ethylphenyl)-3-(3-methylphenyl)-2-(2H-1,2,3,4-tetrazol-5-yl)propanamide contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 335.40 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.
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 | C19H21N5O |
| Molecular Weight | 335.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 5 |
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Recommended Standards
- N-(2,5-Dimethylphenyl)-3-(3-methylphenyl)-2-(2H-1,2,3,4-tetrazol-5-yl)propanamide (CAS 483993-89-1)
- N-(3,4-Dimethylphenyl)-3-(3-methylphenyl)-2-(2H-1,2,3,4-tetrazol-5-yl)propanamide (CAS 483993-86-8)
- N-(2,4-Dimethylphenyl)-3-(3-methylphenyl)-2-(2H-1,2,3,4-tetrazol-5-yl)propanamide (CAS 483993-87-9)
- N-(3,5-Dimethylphenyl)-3-(3-methylphenyl)-2-(2H-1,2,3,4-tetrazol-5-yl)propanamide (CAS 483993-88-0)
- 1,3-Bis((S)-1-phenylethyl)-1H-imidazol-3-ium chloride (CAS 186354-60-9)
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