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In the title compound, C17H20ClN3OS, the mean plane of the central thio­urea core makes dihedral angles of 26.56 (9) and 47.62 (12)° with the mean planes of the chromene moiety and the cyclo­hexyl ring, respectively. The cyclo­hexyl ring adopts a chair conformation. The N–H atoms of the thio­urea unit adopt an anti conformation. The chromene group is positioned trans, whereas the cyclo­hexyl ring lies in the cis position to the thione S atom, with respect to the thio­urea C—N bond. In the crystal, mol­ecules are linked by N—H...S hydrogen bonds, forming inversion dimers enclosing R22(8) ring motifs. The dimers are linked by C—H...Cl hydrogen bonds, enclosing R66(44) ring motifs, forming sheets lying parallel to (010).
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