3-Methyl-1H-purine-2,6(3H,7H)-dione

3-Methyl-1H-purine-2,6(3H,7H)-dione, also known as caffeine, is a naturally occurring stimulant found in coffee, tea, and other plants. Caffeine is commonly consumed for its stimulating effects on the central nervous system, which can increase alertness, improve cognitive function, and reduce fatigue. It is also used as a mild diuretic and as an ingredient in pain relievers and weight loss supplements. The chemical formula of caffeine is C8H10N4O2, and its molecular weight is 194.19 g/mol. It is a white crystalline powder that is slightly soluble in water and has a melting point of 238-240°C. Caffeine works by blocking the action of adenosine, a chemical that promotes sleep and suppresses arousal. By preventing adenosine from binding to its receptors in the brain, caffeine increases the activity of neurotransmitters like dopamine and norepinephrine, which are associated with arousal and attention. However, excessive consumption of caffeine can lead to negative side effects such as insomnia, anxiety, and increased heart rate. It can also be addictive, leading to withdrawal symptoms like headaches and irritability when consumption is stopped abruptly. Overall, moderate consumption of caffeine can be a helpful aid in improving alertness and cognitive function, but it should be consumed in moderation to avoid negative side effects.