5-[3-(1,3-Dioxolan-2-yl)phenyl]-1H-indole-3-carbaldehyde CAS 893737-51-4
| CAS No. | 893737-51-4 |
| Molecular Formula | C18H15NO3 |
| Molecular Weight | 293.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5-[3-(1,3-Dioxolan-2-yl)phenyl]-1H-indole-3-carbaldehyde (CAS 893737-51-4), molecular formula C18H15NO3 and molecular weight 293.32 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H15NO3, 5-[3-(1,3-Dioxolan-2-yl)phenyl]-1H-indole-3-carbaldehyde 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 293.32 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).
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 | C18H15NO3 |
| Molecular Weight | 293.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1987 |
| Nitrogen Atoms | 1 |
Related Dioxolan Standards
- 5-[4-(1,3-Dioxolan-2-yl)phenyl]-1H-indole-3-carbaldehyde (CAS 893737-55-8)
- (5-(1,3-Dioxolan-2-yl)thiophen-2-yl)(2-chlorophenyl)methanone (CAS 898773-44-9)
- (5-(1,3-Dioxolan-2-yl)thiophen-2-yl)(3-chlorophenyl)methanone (CAS 898773-47-2)
- Benzyl 4-(1,3-dioxolan-2-yl)piperidine-1-carboxylate (CAS 773093-01-9)
- 5-(2-Methyl-1,3-dioxolan-2-yl)-3-(3-methylphenyl)-2,1-benzoxazole (CAS 383147-06-6)
- 5-(2-Methyl-1,3-dioxolan-2-yl)-3-(p-tolyl)benzo[c]isoxazole (CAS 439094-60-7)
- 2-(4-(1,3-Dioxolan-2-yl)-1-methyl-1H-benzo[d]imidazol-2-yl)aniline (CAS 273749-30-7)
- (5-(1,3-Dioxolan-2-yl)thiophen-2-yl)(2,4-difluorophenyl)methanone (CAS 898778-76-2)
Recommended Standards
- 5'-(Tert-butoxycarbonyl)-2',4',5',6'-tetrahydrospiro[cyclopropane-1,7'-pyrazolo[4,3-c]pyridine]-3'-carboxylic acid (CAS 2306268-11-9)
- 5-(Methoxymethyl)-3-(4-(3-oxobutoxy)phenyl)oxazolidin-2-one (CAS 79038-72-5)
- 5-Amino-N-benzyl-1-phenyl-1H-1,2,3-triazole-4-carboxamide (CAS 451462-45-6)
- 5-(Benzo[d][1,3]dioxol-5-yl)-3-(2-ethylphenyl)-1H-1,2,4-triazole (CAS 85303-87-3)
- Ethyl 2-amino-4-(benzyloxy)-5-methoxybenzoate (CAS 1086389-60-7)
- tert-Butyl 7-benzyl-4,7-diazaspiro[2.5]octane-4-carboxylate (CAS 674792-03-1)
- n-(5-Chloro-2-(piperidin-1-yl)phenyl)-4-fluorobenzamide (CAS 847839-63-8)
- 5-Methoxy-6-(trifluoromethyl)pyridin-3-amine (CAS 941606-51-5)
- 2-(Isopropyl(4-nitrobenzyl)amino)ethanol (CAS 106790-72-1)
- N-(4-(Diethoxymethyl)-6-oxo-1,6-dihydropyrimidin-2-yl)acetamide (CAS 78711-25-8)
- Methyl (S)-3,3,3-trifluoro-2-hydroxypropanoate (CAS 189060-64-8)
- 2-ethyl-2H-1,2,3-triazole-4-carboxylic acid (CAS 1372713-62-6)
- Imipenem Impurity 130 (CAS CATO-C4X-1662130)
- Semaglutide impurity 203 (CAS CATO-C4X-2226203)
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