4-Bromo-1-tosyl-1H-indole CAS 90481-72-4
| CAS No. | 90481-72-4 |
| Molecular Formula | C15H12BrNO2S |
| Molecular Weight | 350.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 4-Bromo-1-tosyl-1H-indole (CAS 90481-72-4), a certified reference material (molecular formula C15H12BrNO2S, MW 350.23 g/mol) for analytical method development and quality control.
Structurally, 4-Bromo-1-tosyl-1H-indole (C15H12BrNO2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 350.23 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).
CATO manufactures 4-Bromo-1-tosyl-1H-indole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C15H12BrNO2S |
| Molecular Weight | 350.23 g/mol |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 4-Cyclopropoxy-3-methoxy-2-(trifluoromethyl)pyridine (CAS 1243320-18-4)
- Ethyl 1-(4-iodo-1H-pyrazol-1-yl)cyclobutane-1-carboxylate (CAS 1022092-35-8)
- 3-Bromo-6,7-dimethoxyquinoline (CAS 850352-73-7)
- 2-Benzoyl-N-methoxy-N-methylbenzamide (CAS 1016340-56-9)
- (2S,3R,4S,5R)-5-(hydroxymethyl)tetrahydrofuran-2,3,4-triol (CAS 32445-75-3)
- 2-(2-Isopropoxyphenyl)-6,8-dimethylquinoline-4-carbonyl chloride (CAS 1160263-01-3)
- Semaglutide Impurity 150 xTFA (CAS CATO-C4X-2226150)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com