1-(1-Methyl-1H-indol-3-yl)-2-(1-naphthalenyl)ethanone CAS 1638677-49-2
| CAS No. | 1638677-49-2 |
| Molecular Formula | C21H17NO |
| Molecular Weight | 299.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1-(1-Methyl-1H-indol-3-yl)-2-(1-naphthalenyl)ethanone under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
1-(1-Methyl-1H-indol-3-yl)-2-(1-naphthalenyl)ethanone (CAS 1638677-49-2), molecular formula C21H17NO and molecular weight 299.37 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H17NO, 1-(1-Methyl-1H-indol-3-yl)-2-(1-naphthalenyl)ethanone 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 299.37 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
Physical & Chemical Properties
| Molecular Formula | C21H17NO |
| Molecular Weight | 299.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 2-((2E,4E)-5-(6-(dimethylamino)naphthalen-2-yl)penta-2,4-dien-1-ylidene)malononitrile (CAS 1638151-58-2)
- N-(2-(5-Methyl-6-oxopyrimidin-1(6H)-yl)ethyl)thiophene-2-sulfonamide (CAS 1797224-51-1)
- Ethyl 5-(methylsulfonamido)benzo[b]thiophene-2-carboxylate (CAS 1631712-98-5)
- N-(1-(Tetrahydrofuran-3-yl)-1H-pyrazol-4-yl)thiophene-2-sulfonamide (CAS 1797895-21-6)
- 5-(1-(1H-Imidazol-1-yl)ethyl)-2-methyl-1H-benzo[d]imidazole (CAS 779287-52-4)
- (S)-1-(5-(Trifluoromethyl)pyridin-3-yl)ethan-1-amine (CAS 1213342-93-8)
- 3-(2-(Thiophen-3-yl)acetamido)tetrahydrothiophene-3-carboxylic acid (CAS 1285549-89-4)
- tert-Butyl 4-(azetidin-3-yl)piperidine-1-carboxylate (CAS 1314703-47-3)
- 1-Ethyl-3-methylcyclohexane (cis- and trans- mixture) (CAS 3728-55-0)
- 3-Amino-N-(5-chloro-2-methoxyphenyl)-6-ethyl-4-(trifluoromethyl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide (CAS 939888-82-1)
- Fluralaner Impurity 18 (CAS CATO-C4X-218018)
- 1,2-Bis(aminooxy)ethane Dihydrochloride (CAS 104845-83-2)
- 2-carbamoyl-4-methoxypyridine, 4-methoxypicolinamide 2-pyridinecarboxamide,4-methoxy-(9ci) 4-Methoxypyridine-2-carboxylic acid amide 4-methoxy-pyridine-2-carboxylic acid amide 4-methoxypicolinamide 4-methoxypyridine-2-carboxamide 4-methoxypyridine-2-carboxamide 97% 90151-10-3 zinc00039322 (CAS 90151-10-3)
- Serpent Peptide 2AcOH (CAS 823202-99-9(free base))
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com