Danazol is a synthetic androgen and antigonadotropin that suppresses the hypothalamic-pituitary-ovarian axis and androgen-dependent processes, used for endometriosis, fibrocystic breast disease and hereditary angioedema. Simson Pharma's Danazol reference standard and impurities support stability-indicating testing for this steroidal hormone modifier.

Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) supply high-quality Danazol Reference Standards, pharmacopoeial reference materials, and its related impurities to pharmaceutical manufacturers, CROs, analytical laboratories, universities, and regulatory organizations worldwide. To service the Europe and America market efficiently, Simson Pharma Limited has set up Simson Pharma Global Ltd. in United Kingdom and Simson Pharma Global LLC in USA respectively.