4-((3AS,4R,9bR)-9-chloro-6-methyl-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinolin-4-yl)benzoic acid CAS 959539-83-4

Purity 97%+In StockPharmaceutical Standards
CAS No.959539-83-4
Molecular FormulaC20H18ClNO2
Molecular Weight339.82 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-((3AS,4R,9bR)-9-chloro-6-methyl-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinolin-4-yl)benzoic acid CAS 959539-83-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 339.82 g/mol gives 4-((3AS,4R,9bR)-9-chloro-6-methyl-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinolin-4-yl)benzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 4-((3AS,4R,9bR)-9-chloro-6-methyl-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinolin-4-yl)benzoic acid (CAS 959539-83-4), a certified reference material (molecular formula C20H18ClNO2, MW 339.82 g/mol) for analytical method development and quality control.

Based on its molecular formula C20H18ClNO2, 4-((3AS,4R,9bR)-9-chloro-6-methyl-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinolin-4-yl)benzoic acid contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 339.82 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 4-((3AS,4R,9bR)-9-chloro-6-methyl-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinolin-4-yl)benzoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC20H18ClNO2
Molecular Weight339.82 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentCl-containing
Nitrogen Atoms1

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