tert-Butyl 6-(benzyloxy)-2-bromo-1H-indole-1-carboxylate CAS 1881291-50-4
| CAS No. | 1881291-50-4 |
| Molecular Formula | C20H20BrNO3 |
| Molecular Weight | 402.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 402.28 g/mol gives tert-Butyl 6-(benzyloxy)-2-bromo-1H-indole-1-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
tert-Butyl 6-(benzyloxy)-2-bromo-1H-indole-1-carboxylate (CAS 1881291-50-4), molecular formula C20H20BrNO3 and molecular weight 402.28 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H20BrNO3, tert-Butyl 6-(benzyloxy)-2-bromo-1H-indole-1-carboxylate contains a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 402.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C20H20BrNO3 |
| Molecular Weight | 402.28 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- (S)-3-(4-(3-bromopropoxy)phenyl)-2-((tert-butoxycarbonyl)amino)propanoic acid (CAS 1579942-10-1)
- N,N-BIs-boc-2-bromo-3-methoxy-phenylamine (CAS 1935989-83-5)
- 1-Piperidinecarboxylic acid, 4-(4-bromobenzoyl)-, phenylmethyl ester (CAS 1416908-65-0)
- (2E)-3-{4-[(4-bromophenyl)methoxy]phenyl}-1-(morpholin-4-yl)prop-2-en-1-one (CAS 477889-35-3)
- 3-(4-Chloro-3-(trifluoromethyl)phenyl)acrylic acid (CAS 58537-09-0)
- 2-Chloro-5-(2-ethoxy-1,1,2,2-tetrafluoroethyl)pyridine (CAS 2138526-11-9)
- 2-[2-(4-Methyl-piperidin-1-yl)-ethoxy]-phenylamine (CAS 878733-56-3)
- 6-Methyl-2,3-dihydrobenzofuran (CAS 97483-10-8)
- 2-Aminopyrimidin-4-ol (CAS 100643-25-2)
- Brivaracetam Impurity 116 (CAS CATO-C4X-2007116)
- 4-Diethylamino-4-ethoxy-1,1,1-trifluoro-but-3-en-2-one (CAS 1365994-92-8)
- 2-Bromo-5-(ethoxymethyl)pyridine (CAS 1204425-37-5)
- tert-Butyl N-[3-(aminomethyl)oxetan-3-yl]carbamate hydrochloride (CAS 2306275-07-8)
- Semaglutide impurity 66 (CAS CATO-C4X-222666)
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