Sigma-Aldrich Corporation (NASDAQ: SIAL) announced today that the Cerilliant® brand within its Applied Diagnostics and Testing business segment has launched its new bile acid reference standards product line with ten certified Snap-N-Spike® solutions of the most routinely tested bile acids and their stable-labeled internal standards. These new solution certified reference materials (CRMs) consist of lithocholic acid, taurocholic acid and native and deuterium-labeled analogs of cholic acid, chenodeoxycholic acid, deoxycholic acid, and ursodeoxycholic acid.