Are there alternatives to 3,3,4,4,5,5,6,6,7,7,8,8,8-Tridecafluorooctanoic acid in synthesis (CAS: 53826-12-3)?

Several alternatives to 3,3,4,4,5,5,6,6,7,7,8,8,8-Tridecafluorooctanoic acid (CAS: 53826-12-3) exist in synthesis, including other perfluoroalkanoic acids with varying carbon chain lengths. Common substitutes include perfluorooctanoic acid and longer or shorter chain analogs. These can be used depending on the specific application and desired properties. Isomers and structural analogs might also be viable alternatives.