Merck, D-064-1ML, Dehydroepiandrosterone-D₅ (DHEA-D₅) (2,2,3,4,4-D₅) solution

An internal standard suitable for LCMS and GCMS applications in clinical and sports testing environments. In addition to testing under the World Anti-Doping Code of the World Anti-Doping Agency (WADA), DHEA levels are also measured for newborn screening of congential adrenal hyperplasia (CAH) and for determination of hyperandrogenic conditions such as polycystic ovarian syndrome and adrenal tumors.