Testosterone Propionate Raw Powder | Pure Test Prop 98.8% Testosterone Propionate Raw Powder from AASraw Gear Biochemical Technology Co., Ltd is a high-purity testosterone ester supplied for authorized pharmaceutical research, testy analityczne, reference-standard development, and legally licensed manufacturing. Commonly known as Test Prop, this compound is the propionate ester of testosterone and is available as a crystalline solid with batch-specific …