Beta pinene, also known as Rosemarel, is an organic compound with chemical formula C10H16. It is a colorless oil type liquid with a woody green pine like smell. Beta pinene is the most abundant compound which is released from forest trees. Beta pinene exist as enantiomers in nature and both the enantiomers (Levorotatory and Dextrorotatory) are recognized. Levorotatory is common in European pines and Dextrorotatory in North America.