8-Bromo-1,3,4,5-tetrahydrothiopyrano[4,3-b]indole CAS 500690-88-0
| CAS No. | 500690-88-0 |
| Molecular Formula | C11H10BrNS |
| Molecular Weight | 268.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H10BrNS, 8-Bromo-1,3,4,5-tetrahydrothiopyrano[4,3-b]indole contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 268.17 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.
8-Bromo-1,3,4,5-tetrahydrothiopyrano[4,3-b]indole (CAS 500690-88-0) is a high-purity analytical reference standard with the molecular formula C11H10BrNS and a molecular weight of 268.17 g/mol.
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 manufactures 8-Bromo-1,3,4,5-tetrahydrothiopyrano[4,3-b]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 | C11H10BrNS |
| Molecular Weight | 268.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| 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.) | 1984 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Bromo Standards
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Recommended Standards
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- 4-Bromomethyl-5-methyl-2-phenylthiazole (CAS 329977-09-5)
- 3-(Hydroxymethyl)-1-(((5-nitrofuran-2-yl)methylene)amino)imidazolidine-2,4-dione (CAS 1088-92-2)
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- 2-(Pyridin-4-yl)-3-(m-tolyl)quinazoline-4(3H)-thione (CAS 61351-69-7)
- 2-((6-Amino-2-(sec-butylamino)-5-nitropyrimidin-4-yl)amino)ethan-1-ol (CAS 672330-34-6)
- 7-Fluoro-1H-indol-6-amine (CAS 1896752-84-3)
- Olmesartan Impurity 67 (CAS 1418133-31-9)
- tert-Butyl (5-chlorothiophen-3-yl)carbamate (CAS 1627559-62-9)
- Olprinone Impurity 13 (CAS CATO-C4X-204313)
- Tirzepatide Impurity 20 (CAS CATO-C4X-324020)
Why CATO?
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