The present application concerns a microfluidic cassette for synthesizing a radiotracer including a microfluidic circuit in a support card that includes at least one intake for supply by a vial, at least one isotope port, at least one reaction chamber, at least one mixing chamber, at least one formulation chamber, and at least one connection for a syringe, linked together by capillaries. Also disclosed is a method for synthesizing a radiotracer in such a cassette.
