Rasathanthram (transl. Chemistry) is a 2006 Indian Malayalam-language family drama film written and directed by Sathyan Anthikkad and starring Mohanlal and Meera Jasmine, with Bharath Gopi,Innocent, Oduvil Unnikrishnan, and Mamukkoya in prominent roles. The film was produced by Antony Perumbavoor through Aashirvad Cinemas. The soundtrack album was composed by Ilaiyaraaja, while Alagappan N. handled the cinematography.