(3aR,4S,9bS)-Ethyl 8-bromo-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-4-carboxylate CAS 957559-59-0
| CAS No. | 957559-59-0 |
| Molecular Formula | C15H16BrNO2 |
| Molecular Weight | 322.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (3aR,4S,9bS)-Ethyl 8-bromo-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-4-carboxylate is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(3aR,4S,9bS)-Ethyl 8-bromo-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-4-carboxylate (CAS 957559-59-0), molecular formula C15H16BrNO2 and molecular weight 322.20 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution, (3aR,4S,9bS)-Ethyl 8-bromo-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-4-carboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 322.20 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 (3aR,4S,9bS)-Ethyl 8-bromo-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-4-carboxylate 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 | C15H16BrNO2 |
| Molecular Weight | 322.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- tert-Butyl (3-bromonaphthalen-1-yl)carbamate (CAS 1965310-45-5)
- 1-(5-(3,5-Bis(trifluoromethyl)phenyl)furan-2-yl)ethanone (CAS 671182-34-6)
- 9-(3-Bromophenyl)carbazole (CAS 185112-61-2)
- 1,3-Difluoro-2-(4-fluoro-2-methoxyphenoxy)-5-(trifluoromethyl)benzene (CAS 2244087-71-4)
- 2-(6-Fluoroquinolin-2-yl)ethanol (CAS 1433203-67-8)
- 1-(3-Methoxypyridin-4-yl)ethanone (CAS 83431-02-1)
- 4-Hydroxybenzenesulfonic Acid (CAS 98-67-9)
- n-(Tert-butyl)-4-ureidobenzamide (CAS 1209676-36-7)
- 2,4'-Diisopropyl-1,1'-biphenyl (CAS 61434-45-5)
- 2-Amino-N-((S)-1-(4-fluorophenyl)ethyl)-N,3-dimethylbutanamide (CAS 1290218-34-6)
- 1-(Furan-2-yl)but-3-en-1-ol (CAS 6398-51-2)
- Valganciclovir EP Impurity P Isomer (CAS CATO-C4X-177429)
- 5-(1-(3-Chlorophenyl)-5-methyl-1H-pyrazol-4-yl)-4H-1,2,4-triazole-3-thiol (CAS 1019090-30-2)
- Peptide 441 (CAS CATO-CPTD788441)
Why CATO?
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