Science, Tech, Math › Science Chemical Structures Starting with the Letter E Share Flipboard Email Print Science Chemistry Molecules Basics Chemical Laws 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 Browse structures of molecules and ions that have names beginning with the letter E. Eburnamenine This is the chemical structure of eburnamenine. Todd Helmenstine The molecular formula for eburnamenine is C19H22N2. Epinephrine - Adrenaline Epinephrine or Adrenaline - hormone and neurotransmitter. Its IUPAC name is (R)-4-(1-hydroxy- 2-(methylamino)ethyl)benzene-1,2-diol. Cacycle, wikipedia commons The molecular formula for epinephrine is C9H13NO3. Emetan Emetan Chemical Structure. Todd Helmenstine The molecular formula for emetan is C25H32N2. Ergoline Chemical Structure This is the chemical structure of ergoline. Todd Helmenstine The molecular formula for ergoline is C14H16N. Ergotaman Chemical Structure ergotaman chemical structure. Todd Helmenstine The molecular formula for ergotaman is C25H33N5O. Erythrianan Chemical Structure erythrianan chemical structure. Todd Helmenstine The molecular formula for erythrianan is C16H21N. Esarine This is the chemical structure of physostigmine. Todd Helmenstine The molecular formula for physostigmine or esarine is C15H21N3O2. Estradiol Estradiol is one form of the class of steroid hormones known as estrogens. Anne Helmenstine Estriol Estriol is one form of estrogen. Anne Helmenstine The molecular formula for estriol is C18H24O3. Estrone Estrone is one form of estrogen. This steroid hormone is characterized by having a ketone (=O) group attached to the D ring. Anne Helmenstine The molecular formula for estrone is C18H22O2. Ethane Ethane also is called dimethyl, ethyl hydride, or methylmethane. GIPhotoStock / Getty Images The molecular formula of ethane is C2H6. Ethanol Ethanol is ethyl alcohol, sometimes known as grain alcohol. Andy Crawford and Tim Ridley / Getty Images The chemical formula for ethanol is CH3CH2OH. 6-14-ethenomorphinan 6, 14-ethenomorphinan chemical structure. Todd Helmenstine Ethylbenzene This is the chemical structure of ethylbenzene. Todd Helmenstine The molecular formula for ethylbenzene is C8H10. Ethylene Chemical Structure This is the chemical structure of ethene, also known as ethylene. Todd Helmenstine The molecular formula for ethylene is C2H4. Xylene These chemical structures show the difference between ortho-, meta- and para-xylene. Todd Helmenstine Ether Functional Group Ethylene Glycol Ethylene glycol is an alcohol that is also known as monoethylene glycol (MEG), 1,2-ethanediol, or ethane-1,2-diol. Ethylene glycol is commonly used as antifreeze. Cacycle, Wikipedia Commons The molecular formula of ethylene glycol is C2H4(OH)2. Ethylene Dichloride (EDC) - 1,2-Dichloroethane This is the chemical structure of ethylene dichloride (EDC) or 1,2-dichloroethane. Armtuk/PD The molecular formula for ethylene dichloride (EDC) is C2H4Cl2. EDTA - Ethylenediamine-N,N,N',N'-tetraacetic Acid This is the chemical structure of EDTA or ethylenediamine-N,N,N',N'-tetraacetic acid. Shaddack/PD The molecular formula for EDTA is C10H16N2O8. Ecstasy - MDMA (Methylenedioxymethamphetamine) MDMA (3,4-methylenedioxy-N-methylamphetamine) is most commonly known by the street name Ecstasy. LAGUNA DESIGN / Getty Images The molecular formula for methylenedioxymethamphetamine is C11H15NO2. Endosulfan This is the chemical structure of endosulfan. NEUROtiker/PD The molecular formula for endosulfan is C9H6Cl6O3S. Endrin This is the chemical structure of endrin. NEUROtiker/PD The molecular formula for endrin is C12H8Cl6O. Eosin B This is the chemical structure of eosin B. Shaddack/PD The molecular formula for eosin B is C20H8Br2N2O9. Eosin Y This is the chemical structure of eosin Y. Shaddack/PD The molecular formula for eosin Y is C20H8Br4O5. Epibromohydrin This is the chemical structure of epibromohydrin. Todd Helmenstine The molecular formula for epibromohydrin is C3H5BrO. Erucic Acid This is the chemical structure of erucic acid. Edgar181/PD The molecular formula for erucic acid is C22H42O. Erythritol This is the chemical structure of erythritol. Su-no-G/PD The molecular formula for erythritol is C4H10O4. Ethacridine Lactate This is the chemical structure of ethacridine lactate. Alcibiades/PD The molecular formula for ethacridine lactate is C18H21N3O4. Acetaldehyde or Ethanal Structure This is ball and stick molecular structure of acetaldehyde or ethanal. MOLEKUUL/SCIENCE PHOTO LIBRARY / Getty Images The molecular formula of acetaldehyde or ethanal is C2H4O. Ethane This is the chemical structure of ethane. Todd Helmenstine The molecular formula for ethane is C2H6. Ethanol This is the chemical structure of ethanol. Benjah-bmm27/PD The molecular formula for ethanol is C2H6O. 1,2-Ethanedithiol This is the chemical structure of 1,2-ethanedithiol. Edgar181/PD The molecular formula for ethanedithiol is C2H6S2. Ethene or Ethylene This is the chemical structure of ethene, also known as ethylene. Todd Helmenstine The molecular formula for ethene is C2H4. Ethanedioic Acid - Oxalic Acid This is the chemical structure of oxalic acid. Smokefoot/PD The molecular formula for ethanedioic acid, also known as oxalic acid, is C2H2O4. Ethanoic Acid - Acetic Acid Acetic acid is also known as ethanoic acid. LAGUNA DESIGN / Getty Images The molecular formula for ethanoic acid is C2H4O2. Ethenone This is the chemical structure of ethenone. Todd Helmenstine The molecular formula for ethenone is C2H2O. Ethidium Bromide This is the chemical structure of ethidium bromide. Todd Helmenstine The molecular formula for ethidium bromide is C21H20BrN3. Ethyl Acetate This is the chemical structure of ethyl acetate. Benjah-bmm27/PD The molecular formula for ethyl acetate is C4H8O2. Ethylamine This is the chemical structure of ethylamine. Benjah-bmm27/PD The molecular formula for ethylamine is C2H7N. Ethyl 4-Aminobenzoate This is the chemical structure of benzocaine. Techelf/PD The molecular formula for benzocaine is C9H11NO2. Ethyl Chloride - Chloroethane This is the chemical structure of chloroethane. Benjah-bmm27/PD The molecular formula for chloroethane is C2H5Cl. Ethylene Oxide - Oxirane This is the chemical structure of oxirane. Todd Helmenstine The molecular formula for oxirane is C2H4O. Ethyl Formate This is the chemical structure of ethyl formate. Ben Mills/PD The molecular formula for ethyl formate is C3H6O2. 2-Ethyl-1-Hexanol - Isooctyl Alcohol This is the chemical structure of 2-ethyl-1-hexanol. Todd Helmenstine The molecular formula for 2-ethyl-1-hexanol is C8H18O. Ethynol This is the chemical structure of ethynol. Yikrazuul/PD The molecular formula for ethynol is C2H2O. Eugenol This is the chemical structure of eugenol. Calvero/PD The molecular formula for eugenol is C10H12O2. Ethaneperoxoic Acid - Peracetic Acid Chemical Structure This is the chemical structure of peracetic acid, also known as peroxyacetic acid and ethaneperoxoic acid. Edgar181/PD The molecular formula for ethaneperoxoic acid is C2H4O3. Peracetic acid is also known as peroxyacetic acid and peracetic acid. Ethyl Carbamate - Urethane Chemical Structure This is the chemical structure of ethyl carbamate, also known as urethane. Ben Mills/PD The molecular formula for ethyl carbamate is C3H7O2. Ethenyl Functional Group Chemical Structure Functional Groups This is the chemical structure of the vinyl or ethenyl functional group. Todd Helmenstine The molecular formula for the ethenyl functional group is C2H3. It is also known as the vinyl functional group. Ethyl Functional Group Chemical Structure Functional Groups This is the chemical structure of the ethyl functional group. Todd Helmenstine The molecular formula for the ethyl functional group is C2H5. Ergotamine Chemical Structure This is the chemical structure of ergotamine. Todd Helmenstine The molecular formula for ergotamine is C33H35N5O5. Ethyl Glyoxylate Chemical Structure This is the chemical structure of ethyl glyoxylate. Todd Helmenstine The molecular formula for ethyl glyoxylate is C4H6O3. Ethyl 3-Oxohexanoate Chemical Structure This is the chemical structure of ethyl 3-oxohexanoate. Todd Helmenstine The molecular formula for ethyl 3-oxohexanoate is C8H14O3. Ethyl Mandelate Chemical Structure This is the chemical structure of ethyl mandelate. Todd Helmenstine The molecular formula for ethyl mandelate is C10H12O3. Ethyl Propiolate Chemical Structure This is the chemical structure of ethyl propiolate. Todd Helmenstine The molecular formula for ethyl propiolate is C5H6O2. Ethyl 2-Cyanopropionate Chemical Structure This is the chemical structure of ethyl 2-cyanopropionate. Todd Helmenstine The molecular formula for ethyl 2-cyanopropionate is C6H9NO2. Ethyl 2-Cyanoacetoacetate Chemical Structure This is the chemical structure of ethyl 2-cyanoacetoacetate. Todd Helmenstine The molecular formula for ethyl 2-cyanoacetoacetate is C7H9NO3. Encainide Chemical Structure This is the chemical structure of encainide. Todd Helmenstine The molecular formula for encainide is C22H28N2O2. Etorphine Chemical Structure This is the chemical structure of etorphine. Todd Helmenstine The molecular formula for etorphine is C25H33NO4. Ethane Chemical Structure Simple Alkane Chain This is the ball and stick model of the ethane molecule. Todd Helmenstine The molecular formula for ethane is C2H6. Ethyne Chemical Structure Simple Alkyne This is the chemical structure of ethyne. Todd Helmenstine The molecular formula for ethyne is C2H2. Ethene Chemical Structure This is the ball and stick model of the chemical structure of ethene. Todd Helmenstine The molecular formula for ethene is C2H4. Ethylenediamine Chemical Structure This is the chemical structure of ethylenediamine. Todd Helmenstine The chemical formula for ethylenediamine is C2H4(NH2)2. Esomeprazole or Nexium This is the molecular structure of Esomeprazole (Nexium), a proton pump inhibitor drug that prevents formation of gastric acid. public domain The IUPAC name for Esomeprazole is (S)-5-methoxy-2-[(4-methoxy-3,5-dimethylpyridin-2-yl) methylsulfinyl]-3H-benzoimidazole. It has the formula C17H19N3O3S. Vitamin E Vitamin E or Tocopherol. LAGUNA DESIGN / Getty Images Ester Functional Group 2-Ethylhexanol Chemical Structure This is the chemical structure of 2-ethylhexanol. Slashme/PD The molecular formula for 2-ethylhexanol is C8H18O.