... OEM Service CAS# 90028-66-3 Product name: Evening Primrose OilType: Herbal extract CAS NO: 90028-66-3Description: Light ... : Oenothera biennis LMolecular formula: C18H30O2Product function: 1.Evening Primrose Oil has been called the most sensational preventive discovery since ... , weight control, obesity, PMS and schizophrenia. 3.Evening Primrose Oil has so many preventive and therapeutic qualities that it ...