Science, Tech, Math › Science Chemical Structures Beginning With the Letter C Share Flipboard Email Print Science Chemistry Basics Chemical Laws Molecules Periodic Table Projects & Experiments Scientific Method Biochemistry Physical Chemistry Medical Chemistry Chemistry In Everyday Life Famous Chemists Activities for Kids Abbreviations & Acronyms Biology Physics Geology Astronomy Weather & Climate By Anne Marie Helmenstine, Ph.D. Chemistry Expert Ph.D., Biomedical Sciences, University of Tennessee at Knoxville B.A., Physics and Mathematics, Hastings College Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels. our editorial process Facebook Facebook Twitter Twitter Anne Marie Helmenstine, Ph.D. Updated November 05, 2019 This is a collection of chemical structures with names beginning with the letter C. 01 of 20 Caffeine Chemical Structure PASIEKA / Getty Images The molecular formula of caffeine is C8H10N4O2. Molecular Mass: 194.08 Daltons Systematic Name: 1,3,7-Trimethyl-3,7-dihydro-1H-purine-2,6-dione Other Names: caffeine, trimethylxanthine 02 of 20 Carbon Dioxide Molecule This is the chemical structure of carbon dioxide. Science Photo Library / Getty Images This is the chemical structure of carbon dioxide. Molecular Formula: CO2 03 of 20 Carbon Disulfide Molecule Carbon disulfide molecule. Laguna Design / Getty Images This is the chemical structure of carbon disulfide or CS2 04 of 20 Carboxylic Acid This is the chemical structure of the carboxylic acid functional group. Todd Helmenstine The molecular formula for carboxylic acid is R-COOH. 05 of 20 Cannabinol This is the chemical structure of cannabinol. Cacycle/PD 06 of 20 Capsaicin Capsaicin (8-methyl-N-vanillyl-6-nonenamide) is the molecule in chili peppers that makes them hot. Cacycle, wikipedia.org 07 of 20 Carbolic Acid (Phenol) This is the chemical structure of phenol. Todd Helmenstine 08 of 20 Carbon Monoxide This is the molecular structure for carbon monoxide or CO. Ben Mills 09 of 20 Carotene This is the chemical structure of beta-carotene. Todd Helmenstine 10 of 20 Cellulose Skeletal diagram of cellulose, a polysaccharide consisting of linked glucose subunits. David Richfield 11 of 20 Chloroform Chloroform molecule. LAGUNA DESIGN / Getty Images 12 of 20 Chloromethane This is the chemical structure of dichloromethane or methylene chloride. Yikrazuul 13 of 20 Chlorophyll This is the chemical structure of chlorophyll. Todd Helmenstine 14 of 20 Cholesterol Cholesterol is a lipid that is found in the cell membranes of all animal cells. It also is a sterol, which is a steroid characterized by an alcohol group. Sbrools, wikipedia.org 15 of 20 Citric Acid Citric acid is also known as 2-hydroxypropane-1,2,3-tricarboxylic acid. It is a weak acid found in citrus fruits and used as a natural preservative and to impart a sour flavoring. NEUROtiker, Wikipedia Commons 16 of 20 Cocaine This is the chemical structure of cocaine, also known as benzoylmethylecgonine. NEUROtiker/PD 17 of 20 Cortisol Cortisol is a corticosteroid hormone produced by the adrenal gland. It sometimes is referred to as the "stress hormone" as it is produced in response to stress. Calvero, wikipedia commons 18 of 20 Cream of Tartar This is the chemical structure for cream of tartar or potassium bitartrate. Jü, Public Domain 19 of 20 Cyanide Hydrogen cyanide is a colorless, volatile, poisonous liquid with the chemical formula HCN. Ben Mills 20 of 20 Cyclohexane This is the chemical structure of cyclohexane. Todd Helmenstine Cite this Article Format mla apa chicago Your Citation Helmenstine, Anne Marie, Ph.D. "Chemical Structures Beginning With the Letter C." ThoughtCo, Aug. 27, 2020, thoughtco.com/chemical-structures-beginning-with-letter-c-4097359. Helmenstine, Anne Marie, Ph.D. (2020, August 27). Chemical Structures Beginning With the Letter C. Retrieved from https://www.thoughtco.com/chemical-structures-beginning-with-letter-c-4097359 Helmenstine, Anne Marie, Ph.D. "Chemical Structures Beginning With the Letter C." ThoughtCo. https://www.thoughtco.com/chemical-structures-beginning-with-letter-c-4097359 (accessed January 28, 2021). copy citation