CAS Number: 214766-78-6 Molecular formula : C82H103N18O16Cl Molar mass :1632.26 Ac-D-2Nal-D-4Cpa-D-3Pal-Ser-4Aph(Hor)-D-4Aph(Cbm)-Leu-ILys-Pro-D-Ala-NH2 Sequence Medical use: Degarelix has an immediate onset of action, binding to gonadotropin-releasing hormone (GnRH) receptors in the pituitary gland and blocking their interaction with GnRH. Degarelix is a hormonal therapy used in the treatment of advanced prostate cancer.