(R)-(+)-Citronellal ((+)-Citronellal) (Standard) is the analytical standard of (R)-(+)-Citronellal. This product is intended for research and analytical applications. (R)-(+)-Citronellal is a monoterpenoid compound and is one of the main components of essential oils from plants such as lemon grass. (R)-(+)-Citronellal has antibacterial, antifungal, and insecticidal activities. (R)-(+)-Citronellal alleviates the bitterness of caffeine by antagonizing the bitter taste receptors Tas2r43 (IC50 = 84 µM) and Tas2R46. (R)-(+)-Citronellal generates analgesic activity by activating the opioid receptor (broad-spectrum opioid receptor) pathway, and its effect is particularly significant for inflammatory pain.