Cured product, optical member, lens, compound, and curable composition

A cured product obtained by curing a curable composition including a compound represented by General Formula 1,

• wherein a birefringence Δn at a wavelength of 587 nm is 0.00≤Δn≤0.01,
• Pol1-Sp1-L1-Ar-L2-Sp2-Pol2 (General Formula 1)
• in formula, Ar is an aromatic ring group represented by General Formula 2-2, and
• in formula
• Z1 and Z2 each independently represent a hydrogen atom, a methyl group, or an ethyl group
• A1 and A2 each independently represent —S—,
• X represents C to which two cyano groups are bonded, C to which a cyano group and an alkoxy carbonyl group are bonded, or a ring represented by the following formula;
• wherein the ring represented by the above formula may be substituted by one or two alkyl groups having 1 to 6 carbon atoms and * represents a bonding position,
• L1 and L2 each independently represent —O—, —OC(═O)—, —C(═O)—, —OC(═O)O—, —OC(═O)NH—, or —NHC(═O)O—,
• Sp1 and Sp2 each independently represent a linking group selected from the group consisting of a linear alkylene group which has 2 to 30 carbon atoms and may be substituted with a methyl group or a linear alkylene group which has 1 to 30 carbon atoms and may be substituted with a methyl group and in which one —CH2— or two or more non-adjacent —CH2—'s are substituted by —O—, —S—, —OC(═O)—, —C(═O)O—, —OC(═O)O—, —NHC(═O)—, —C(═O)NH—, —OC(═O)NH—, or —NHC(═O)O, and
• Pol1 and Pol2 each independently represent a (meth)acryloyloxy group.