C10H10O2 is the chemical formula for a compound known as ethyl vanillin. It consists of ten carbon atoms, ten hydrogen atoms, and two oxygen atoms. Ethyl vanillin is commonly used as a flavoring agent in food and beverages, providing a sweet, vanilla-like taste. This compound is often preferred over natural vanilla due to its stronger flavor and lower cost. Ethyl vanillin is also utilized in the fragrance industry, where it contributes to the scent of various perfumes and personal care products. Its versatility makes it a popular choice in both culinary and cosmetic applications.