my country has become the largest producer of androstenedione in the world.

androstenedione, referred to as ad or 4-ad, is a steroid compound with a molecule of c19h26o2. it appears as a white powder with a high boiling point and high flammability. it is a biopharmaceutical intermediate with a wide range of uses. androstenedione is an important raw material for the production of steroid hormones and an…