N-(2-(1H-indol-3-yl)ethyl)-3-(2-chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxamide CAS 920700-26-1
| CAS No. | 920700-26-1 |
| Molecular Formula | C21H17ClFN3O2 |
| Molecular Weight | 397.83 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), N-(2-(1H-indol-3-yl)ethyl)-3-(2-chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
CATO supplies N-(2-(1H-indol-3-yl)ethyl)-3-(2-chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxamide (CAS 920700-26-1), a certified reference material (molecular formula C21H17ClFN3O2, MW 397.83 g/mol) for analytical method development and quality control.
Structurally, N-(2-(1H-indol-3-yl)ethyl)-3-(2-chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxamide (C21H17ClFN3O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 397.83 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C21H17ClFN3O2 |
| Molecular Weight | 397.83 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Recommended Standards
- Ethyl 3-[(2-chloro-6-fluorobenzyl)oxy]pyrido[1,2-a]indole-10-carboxylate (CAS 478067-96-8)
- Topramezone Impurity 3 (CAS CATO-C4X-35033)
- 5-((4-Chlorophenyl)sulfonyl)-N-(4-fluorophenyl)-1,2,3-thiadiazole-4-carboxamide (CAS 338791-91-6)
- 1-(3-Chlorophenyl)-4-(5-(4-methoxyphenethyl)-1,2,4-oxadiazol-3-yl)pyrrolidin-2-one (CAS 1170059-82-1)
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- 2-Cyclopropoxy-1-ethyl-4-fluorobenzene (CAS 1243358-07-7)
- tert-Butyl (2,6-dichloropyridin-3-yl)carbamate (CAS 1044149-00-9)
- 2-Hydroxy-6-methylbenzoic Acid Ethyl Ester 6-Methylsalicylic Acid Ethyl Ester 6555-40-4 Ethyl 2-Hydroxy-6-methylbenzoate Ethyl 6-Methylsalicylate M1283 (CAS 6555-40-4)
- 2-(4-Chlorophenyl)-1-(p-tolyl)-1,5,6,7-tetrahydropyrrolo[1,2-a]imidazol-4-ium bromide (CAS 475195-98-3)
- 1,4-Diiodo-2,3,5,6-tetramethylbenzene (CAS 3268-21-1)
- 2-((1-Ethyl-2,5-dioxopyrrolidin-3-yl)thio)benzoic acid (CAS 350030-47-6)
- Tert-butyl (2-amino-1-(1-methyl-1h-pyrazol-4-yl)ethyl)carbamate (CAS 1152820-37-5)
- 2-(3-Aminophenyl)-N,N,5-trimethyloxazole-4-carboxamide (CAS 1334487-79-4)
- Semaglutide impurity 60 (CAS CATO-C4X-222660)
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