5-Ethyl 1-isobutyl 6-(trimethylsilyl)-1H-indole-1,5-dicarboxylate CAS 153602-84-7
| CAS No. | 153602-84-7 |
| Molecular Formula | C19H27NO4Si |
| Molecular Weight | 361.51 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.
CATO supplies 5-Ethyl 1-isobutyl 6-(trimethylsilyl)-1H-indole-1,5-dicarboxylate (CAS 153602-84-7), a certified reference material (molecular formula C19H27NO4Si, MW 361.51 g/mol) for analytical method development and quality control.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, 5-Ethyl 1-isobutyl 6-(trimethylsilyl)-1H-indole-1,5-dicarboxylate is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 361.51 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C19H27NO4Si |
| Molecular Weight | 361.51 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Nitrogen Atoms | 1 |
Related Ethyl Standards
- 2-(1-Isobutyl-4-(4-methylbenzoyl)-5-(methylthio)-2-oxo-2,5-dihydro-1H-pyrrol-3-yl)acetic acid (CAS 1269527-87-8)
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Recommended Standards
- 4-Amino-1-((2R,5S)-2-((tert-butyldimethylsilyloxy)methyl)-1,3-oxathiolan-5-yl)-5-fluoropyrimidin-2(1H)-one (CAS 1365246-84-9)
- 2-(Chloromethyl)-6-(difluoromethyl)-4-iodopyridine-3-acetic acid (CAS 1805197-33-4)
- N-Cycloheptyl-2-((5-propyl-4-(1H-pyrrol-1-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 896296-01-8)
- 2-(Chloromethyl)-4-(difluoromethyl)-3-iodopyridine-5-acetic acid (CAS 1805551-64-7)
- Chlorotrianisene (CAS 569-57-3)
- 2-(4-butylpiperazin-1-yl)pyrimidine (CAS 159692-81-6)
- N-(tert-Butyl)-5-(tert-butylthio)pyridin-2-amine (CAS 1355178-66-3)
- 6-Bromo-8-methoxyquinazolin-2(1H)-one (CAS 953039-13-9)
- 1-Ethenyl-4-oxo-cyclohexanecarboxylic Acid (CAS 1082207-50-8)
- n-(3-Chlorophenyl)tetrahydrothiophen-3-amine (CAS 1019589-83-3)
- 5-Fluoro-1-(triisopropylsilyl)-4-((trimethylsilyl)ethynyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1228666-08-7)
- Ethyl 2-Hydroxyphenylacetate (CAS 41873-65-8)
- (E)-N'-(4-hydroxy-3-methoxybenzylidene)thiophene-2-carbohydrazide (CAS 304906-01-2)
- Palmitoyl Tripeptide-8 TFA salt (CAS 936544-53-5)
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