4-Desacetamido-4-chloro Andarine-D4 is a labelled analogue of 4-Desacetamido-4-chloro Andarine (D289535). 4-Desacetamido-4-chloro Andarine is a Selective Androgen Receptor Modulator (SARM) that has potential use for treatment of androgen related diseases such as muscle wasting and osteoporosis. 4-Desacetamido-4-chloro Andarine also a derivative of Andarine (A637470), a non-steroidal SARM that is used by athletes to enhance performance.