Ulipristal; (8S,11R,13S,14S,17R)-17-acetyl-11-(4-(dimethylamino)phenyl)-17-hydroxy-13-methyl-6,7,8,11,12,13,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3(2H)-one; CAS No.: 159811-51-5; ChemShuttle distinguishes itself as a reliable custom chemical synthesis company by providing complex natural product derivatives like (8S,11R,13S,14S,17R)-17-acetyl-11-(4-(dimethylamino)phenyl)-17-hydroxy-13-methyl-6,7,8,11,12,13,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3(2H)-one (CAS No.: 159811-51-5). This steroidal compound represents the company's commitment to offering high-value chemical building blocks for drug discovery. The multi-step synthesis required for this molecule showcases ChemShuttle's expertise in custom synthesis services, particularly in reproducing intricate structures found in natural products. Researchers utilizing CAS No.: 159811-51-5; (8S,11R,13S,14S,17R)-17-acetyl-11-(4-(dimethylamino)phenyl)-17-hydroxy-13-methyl-6,7,8,11,12,13,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3(2H)-one benefit from ChemShuttle's rigorous quality control processes, ensuring the compound's purity and structural fidelity. As a Leading Chemicals Distributor, ChemShuttle makes this sophisticated chemical building blocks for drug discovery accessible to scientific communities worldwide, supporting advances in steroid-based drug development.