5,7-Dibromo-2,3-dihydro-1H-cyclopenta[b]quinoline CAS 861206-23-7
| CAS No. | 861206-23-7 |
| Molecular Formula | C12H9Br2N |
| Molecular Weight | 327.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5,7-Dibromo-2,3-dihydro-1H-cyclopenta[b]quinoline.
CATO supplies 5,7-Dibromo-2,3-dihydro-1H-cyclopenta[b]quinoline (CAS 861206-23-7), a certified reference material (molecular formula C12H9Br2N, MW 327.01 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H9Br2N, 5,7-Dibromo-2,3-dihydro-1H-cyclopenta[b]quinoline contains a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 327.01 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures 5,7-Dibromo-2,3-dihydro-1H-cyclopenta[b]quinoline 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 | C12H9Br2N |
| Molecular Weight | 327.01 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Dibromo Standards
- 3,5-Dibromo-[1,1'-biphenyl]-2-amine (CAS 16372-95-5)
- 4,4'-Dibromo-[1,1'-biphenyl]-2-amine (CAS 197961-37-8)
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Recommended Standards
- Bis(2-bromophenyl)amine (CAS 67242-17-5)
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- (3-(2-Nitro-4-(trifluoromethyl)phenoxy)phenyl)boronic acid (CAS 1072945-94-8)
- 2-(3-Bromo-5-ethoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1073339-03-3)
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