tert-Butyl 4-(benzyloxy)-1H-indole-1-carboxylate CAS 903131-59-9
| CAS No. | 903131-59-9 |
| Molecular Formula | C20H21NO3 |
| Molecular Weight | 323.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), tert-Butyl 4-(benzyloxy)-1H-indole-1-carboxylate 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.
tert-Butyl 4-(benzyloxy)-1H-indole-1-carboxylate (CAS 903131-59-9), molecular formula C20H21NO3 and molecular weight 323.39 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, tert-Butyl 4-(benzyloxy)-1H-indole-1-carboxylate (C20H21NO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 323.39 g/mol, it falls into the moderately-high-molecular-weight range. 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 | C20H21NO3 |
| Molecular Weight | 323.39 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Recommended Standards
- tert-Butyl 4-(4-(ethoxycarbonyl)-1H-pyrazol-1-yl)piperidine-1-carboxylate (CAS 782493-64-5)
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- tert-Butyl 3-(2-ethoxy-2-oxoethyl)-8-methyl-5,6-dihydroimidazo[1,2-a]pyrazine-7(8H)-carboxylate (CAS 2177266-51-0)
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