1-(1H-Indol-3-yl)-2-(triphenylphosphoranylidene)ethanone CAS 91543-07-6
| CAS No. | 91543-07-6 |
| Molecular Formula | C28H22NOP |
| Molecular Weight | 419.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 419.45 g/mol gives 1-(1H-Indol-3-yl)-2-(triphenylphosphoranylidene)ethanone distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-(1H-Indol-3-yl)-2-(triphenylphosphoranylidene)ethanone (CAS 91543-07-6) is a high-purity analytical reference standard with the molecular formula C28H22NOP and a molecular weight of 419.45 g/mol.
1-(1H-Indol-3-yl)-2-(triphenylphosphoranylidene)ethanone (C28H22NOP) contains a steroid core, an amide group, organophosphorus functionality, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-(1H-Indol-3-yl)-2-(triphenylphosphoranylidene)ethanone 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.
Physical & Chemical Properties
| Molecular Formula | C28H22NOP |
| Molecular Weight | 419.45 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 18.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 1 |
Related H Standards
- 3H-Indol-3-one, 5-bromo-2-(5-bromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- (CAS 84-40-2)
- 1-(2-(1H-indol-3-yl)ethyl)-5-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)pyrimidin-4(1H)-one (CAS 551930-80-4)
- 3-{[2-(1H-indol-3-yl)-2-phenylethyl]sulfamoyl}benzoic acid (CAS 877966-22-8)
- 1-(1H-Indol-3-yl)-2-phenyl-2-((1-(o-tolyl)-1H-tetrazol-5-yl)thio)ethan-1-one (CAS 742116-60-5)
- 1-(2-(1H-indol-3-yl)ethyl)-3-(2,4-dichlorobenzyl)-4-hydroxypyridin-2(1H)-one (CAS 478045-90-8)
- 1-(2-(1H-indol-3-yl)ethyl)-3-(2,6-dichlorobenzyl)-2-methylpyridin-4(1H)-one (CAS 860785-21-3)
- 6-(2-(4-(1H-Indol-3-yl)piperidin-1-yl)ethyl)-3,7-dimethyl-5H-thiazolo[3,2-a]pyrimidin-5-one (CAS 79449-97-1)
- 11-(1H-indol-3-yl)-3,3-dimethyl-1-oxo-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepine-7-carboxylic acid (CAS 1024355-02-9)
Recommended Standards
- (S,R)-In-Phox (CAS 201409-47-4)
- 2,3,4-trihydroxy-4-(2-phenyl-2H-1,2,3-triazol-4-yl)butyl 4-methylbenzenesulfonate (CAS 99099-78-2)
- (R,S)-In-Phox (CAS 212312-33-9)
- 2-Amino-9-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-8-(phenethylthio)-1,9-dihydro-6H-purin-6-one (CAS 957046-15-0)
- Methyl 2-(tert-butyl)-5-nitro-1H-indole-7-carboxylate (CAS 952665-00-8)
- (1S,3S)-2,2-Dimethyl-3-phenylcyclopropane-1-carboxylic acid (CAS 494846-57-0)
- 2-(N-Methylpyrrolidine-2-carboxamido)ethyl benzoate (CAS 61352-49-6)
- 4-Amino-5-phenylpentanoic acid (CAS 60546-79-4)
- N-Nitroso Brexpiprazole Impurity 110 (CAS CATO-C4X-1131110)
- n-(5-Bromo-2-fluorobenzyl)-3-methylbutan-1-amine (CAS 1019571-65-3)
- 4-Bromo-3-chloro-7-fluoroquinoline (CAS 1208814-10-1)
- N-isopropyltetrahydro-2H-thiopyran-4-amine (CAS 1153348-71-0)
- 5-Ethylpicolinic acid hydrochloride (CAS 2344685-46-5)
- Semaglutide impurity 80 (CAS CATO-C4X-222680)
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