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The crystal structure of the title compound, C(90)H(100)N(6)O(24)S(2)·C(4)H(8)O(2)·0.25C(6)H(14), solved and refined against synchrotron diffraction data, contains two formula units in the asymmetric unit with the all-trans n-hexane mol-ecule having half-occupancy and one of the ethyl acetate mol-ecules disordered over two positions. The two symmetry-independent disulfide mol-ecules are assembled by approximate face-to-face and face-to-edge inter-actions between their 4-nitro-benzo-yloxy groups into an inter-twined dimer having a double-helix-type structure. The centrally placed disulfide bridges in the two symmetry-independent mol-ecules exhibit different helicity as shown by the C-S-S-C torsion angles of 71.0 (1) and -92.5 (1)°.

Bis[3α,7α,12α-tris(4-nitrobenzoyloxy)-5β-cholan-24-yl] disulfide–ethyl acetate–n-hexane (4/4/1)