(R)-3,5-dihydrospiro[cyclohepta[2,1-a:3,4-a']dinaphthalene-4,1'-cyclopentane]-2',4'-diene CAS 136425-33-7

Description

The molecular framework of (R)-3,5-dihydrospiro[cyclohepta[2,1-a:3,4-a']dinaphthalene-4,1'-cyclopentane]-2',4'-diene (C27H20) is characterized by a polycyclic aromatic system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

(R)-3,5-dihydrospiro[cyclohepta[2,1-a:3,4-a']dinaphthalene-4,1'-cyclopentane]-2',4'-diene (CAS 136425-33-7) is a high-purity analytical reference standard with the molecular formula C27H20 and a molecular weight of 344.45 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 (R)-3,5-dihydrospiro[cyclohepta[2,1-a:3,4-a']dinaphthalene-4,1'-cyclopentane]-2',4'-diene 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

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