Ethyl 1-(triisopropylsilyl)-1H-indole-4-carboxylate CAS 112447-71-9
| CAS No. | 112447-71-9 |
| Molecular Formula | C20H31NO2Si |
| Molecular Weight | 345.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Ethyl 1-(triisopropylsilyl)-1H-indole-4-carboxylate (CAS 112447-71-9) is a high-purity analytical reference standard with the molecular formula C20H31NO2Si and a molecular weight of 345.55 g/mol.
Based on its molecular formula C20H31NO2Si, Ethyl 1-(triisopropylsilyl)-1H-indole-4-carboxylate 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 345.55 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).
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 | C20H31NO2Si |
| Molecular Weight | 345.55 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 1 |
Related Ethyl Standards
- 5-Triisopropylsilyl-ethynyl (S)-(-)-Nicotine (CAS 916046-39-4)
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- 8-((Triisopropylsilyl)ethynyl)naphthalene-1,3-diol (CAS 2621932-39-4)
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- 7-Methyl-8-((triisopropylsilyl)ethynyl)naphthalene-1,3-diol (CAS 2771460-12-7)
- 2-(1-(Triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridin-5-yl)propan-2-ol (CAS 918523-63-4)
- Bis(triisopropylsilyl)amine (CAS 923027-92-3)
- Phenyl(2-(triisopropylsilyl)oxazol-5-yl)methanone (CAS 648929-24-2)
Recommended Standards
- 1,1-Dibutyl-2-[[(2,6-dimethylphenyl)amino]carbonyl]piperidinium (CAS 852804-30-9)
- tert-Butyl (2R,3S)-3-[(tert-Butyldimethylsilyl)oxy]-2-(hydroxymethyl)piperidine-1-carboxylate (CAS 1174386-89-0)
- 1-(2-Bromo-4-(trifluoromethyl)phenyl)-3-(2-chloroethyl)urea (CAS 2407339-55-1)
- tert-Butyl 3-((tert-butyldimethylsilyl)oxy)-5-(hydroxymethyl)piperidine-1-carboxylate (CAS 1266372-57-9)
- N-Benzyl-2-(5-(4-(2-morpholinoethoxy)phenyl)pyridin-2-yl)acetamide (CAS 1038395-65-1)
- 2-Nitro-N-(5-((2-oxo-2-(thiazol-2-ylamino)ethyl)thio)-1,3,4-thiadiazol-2-yl)benzamide (CAS 389072-65-5)
- 1-((2S,4S,5R)-4-Fluoro-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione (CAS 178374-44-2)
- Thieno[2,3-b]pyridine-4,6-diamine (CAS 1823930-68-2)
- 1-(5-(Phenoxymethyl)-1,2,4-oxadiazol-3-yl)ethan-1-amine (CAS 1251227-74-3)
- (7-Fluoro-6-methoxyquinolin-8-yl)boronic acid (CAS 2773311-28-5)
- 3,3'-(Ethane-1,2-diylbis(azanediyl))bis(cyclohex-2-en-1-one) (CAS 1020252-36-1)
- 3-(Trifluoromethyl)morpholine 4-methylbenzenesulfonate (CAS 2102412-91-7)
- 2-(4-Chlorobenzoyl)pyrazine (CAS 118543-85-4)
- Semaglutide Impurity 9 (CAS CATO-C4X-22269)
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