Chemical Structures Starting with the Letter I

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Ibogamine Chemical Structure

This is the chemical structure of ibogamine.
This is the chemical structure of ibogamine. Todd Helmenstine

Browse structures of molecules and ions that have names beginning with the letter I.

The molecular formula for ibogamine is C19H24N2.

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Ibuprofen Chemical Structure

This is the two-dimensional chemical structure of ibuprofen.
This is the two-dimensional chemical structure of ibuprofen, a non-steroidal anti-inflammatory drug (NSAID). Harbin, public domain
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Ibuprofen 3-D Structure

This is the three-dimensional structure of ibuprofen.
This is the three-dimensional chemical structure of the non-steroidal anti-inflammatory drug ibuprofen. Jak, Creative Commons License

Ibuprofen is marketed under the names Nurofen, Advil and Motrin.

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Imazapyr Chemical Structure

This is the chemical structure of imazapyr.
This is the chemical structure of imazapyr. Edgar181/PD

The molecular formula for imazapyr is C13H15N3O3.

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Imidazole

This is the chemical structure of imidazole.
This is the chemical structure of imidazole. Todd Helmenstine

The molecular formula for imidazole is C3H4N2.

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2H-imidazole - 2-Isoimidazole - 1,3-isodiazole Chemical Structure

This is the chemical structure of 2H-imidazole.
This is the chemical structure of 2H-imidazole. Todd Helmenstine

The molecular formula for 2H-imidazole is C3H4N2.

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Iminodiacetic Acid Chemical Structure

This is the chemical structure of iminodiacetic acid.
This is the chemical structure of iminodiacetic acid. Todd Helmenstine

The molecular formula for iminodiacetic acid is C4H7NO4.

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Imiquimod Chemical Structure

This is the chemical structure of imiquimod.
This is the chemical structure of imiquimod. Fvasconcellos/PD

The molecular formula for imiquimod is C14H16N4.

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Indazole Chemical Structure

This is the chemical structure of indazole.
This is the chemical structure of indazole. NEUROtiker/PD

The molecular formula for indazole is C7H6N2.

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Indene Chemical Structure

This is the chemical structure of indene.
This is the chemical structure of indene. Edgar181/PD

The molecular formula for indene is C9H8.

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Indigo Chemical Structure

This is the chemical structure of indigo.
This is the chemical structure of indigo. Todd Helmenstine

The molecular formula for indigo is C16H10N2O2.

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Indole Chemical Structure

This is the chemical structure of 1 H-indole.
This is the chemical structure of 1 H-indole. Todd Helmenstine

Indole is compiled of a benzene ring fused to a pyrrole ring. The molecular formula for indole is C8H7N.

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Indoline Chemical Structure

This is the chemical structure of indoline.
This is the chemical structure of indoline. Todd Helmenstine

The molecular formula for indoline is C8H9N.

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Indole-3-acetic Acid Chemical Structure

This is the chemical structure of indole-3-acetic acid.
This is the chemical structure of indole-3-acetic acid. Yikrazuul/PD

The molecular formula for indole-3-acetic acid is C10H9NO2.

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Inositol Chemical Structure

This is the chemical structure of inositol.
This is the chemical structure of inositol. Todd Helmenstine

The molecular formula for inositol is C6H12O6.

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Iodobenzene Chemical Structure

This is the chemical structure of iodobenzene.
This is the chemical structure of iodobenzene. Todd Helmenstine

The molecular formula for iodobenzene is C6H5I.

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Iodoform Chemical Structure

This is the chemical structure of iodoform.
This is the chemical structure of iodoform. Yikrazuul/PD

The molecular formula for iodoform is CHI3.

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Alpha-Ionone Chemical Structure

This is the chemical structure of alpha-ionone.
This is the chemical structure of alpha-ionone. Todd Helmenstine

The molecular formula for α-ionone is C13H20O.

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Beta-Ionone Chemical Structure

This is the chemical structure of beta-ionone.
This is the chemical structure of beta-ionone. Todd Helmenstine

The molecular formula for β-ionone is C13H20O.

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Gamma-Ionone Chemical Structure

This is the chemical structure of gamma-ionone.
This is the chemical structure of gamma-ionone. Todd Helmenstine

The molecular formula for γ-ionone is C13H20O.

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Ipratropium Bromide Chemical Structure

This is the chemical structure of ipratropium bromide.
This is the chemical structure of ipratropium bromide. Todd Helmenstine

The molecular formula for ipratropium bromide is C20H30BrNO3.

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Isatin Chemical Structure

This is the chemical structure of isatin or 1H-indole-2,3-dione.
This is the chemical structure of isatin or 1H-indole-2,3-dione. Klaus Hoffmeier/PD

The molecular formula for isatin, or 1H-indole-2,3-dione) is C8H5NO2.

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Isoalantolactone Chemical Structure

This is the chemical structure of isoalantolactone.
This is the chemical structure of isoalantolactone. Todd Helmenstine

The molecular formula for isoalantolactone is C15H20O2.

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Isoamyl Acetate Chemical Structure

This is the chemical structure of isoamyl acetate.
This is the chemical structure of isoamyl acetate. Todd Helmenstine

The molecular formula for isoamyl acetate is C7H14O2.

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Isoamyl Nitrate Chemical Structure

This is the chemical structure of isoamyl nitrate.
This is the chemical structure of isoamyl nitrate. Todd Helmenstine

The molecular formula for isoamyl nitrate is C5H11NO2.

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Isoamylol Chemical Structure

This is the chemical structure of isoamylol.
This is the chemical structure of isoamylol. Todd Helmenstine

The molecular formula for isoamylol is C5H12O.

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Isoazole

This is the chemical structure of 2H-pyrrole, also known as isoazole and isopyrrole.
This is the chemical structure of 2H-pyrrole, also known as isoazole and isopyrrole. Todd Helmenstine

The molecular formula for 2H-pyrrole, also known as isoazole and isopyrrole is C4H5N.

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Isobutanol Chemical Structure

This is the chemical structure of isobutanol.
This is the chemical structure of isobutanol. Todd Helmenstine

The molecular formula for isobutanol is C4H10O.

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Isobutyrate Chemical Structure

This is the chemical structure of isobutyrate.
This is the chemical structure of isobutyrate. Todd Helmenstine

The molecular formula for isobutyrate is C4H7O2.

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Isobenzofuran Chemical Structure

This is the chemical structure of isobenzofuran.
This is the chemical structure of isobenzofuran. NEUROtiker/PD

The molecular formula for isobenzofuran is C8H6O.

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Isoborneol Chemical Structure

This is the chemical structure of isoborneol.
This is the chemical structure of isoborneol. Todd Helmenstine

The molecular formula for isoborneol is C10H18O.

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Isobornyl Acetate Chemical Structure

This is the chemical structure of isobornyl acetate.
This is the chemical structure of isobornyl acetate. Todd Helmenstine

The molecular formula for isobornyl acetate is C12H20O2.

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Isobutylene Chemical Structure

This is the chemical structure of isobutylene.
This is the chemical structure of isobutylene. Edgar181/PD

The molecular formula for isobutylene is C4H8.

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Isobutyric Acid Chemical Structure

This is the chemical structure of isobutyric acid.
This is the chemical structure of isobutyric acid. Todd Helmenstine

The molecular formula for isobutyric acid is C4H8O2.

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Isocetane Chemical Structure

This is the chemical structure of isocetane.
This is the chemical structure of isocetane. Edgar181/PD

The molecular formula for isocetane or 2,2,4,4,6,8,8-heptamethylnonane is C16H34.

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Isoflurane Chemical Structure

This is the chemical structure of isoflurane.
This is the chemical structure of isoflurane. Ben Mills/PD

The molecular formula for isoflurane is C3H2ClF5O.

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Isoindol Chemical Structure

This is the chemical structure of isoindol.
This is the chemical structure of isoindol. NEUROtiker/PD

The molecular formula for isoindol is C8H7N.

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Isoleucine

This is the chemical structure of isoleucine.
This is the chemical structure of isoleucine. Todd Helmenstine
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D-Isoleucine Chemical Structure

This is the chemical structure of D-isoleucine.
This is the chemical structure of D-isoleucine. Todd Helmenstine

The molecular formula for D-isoleucine is C6H13NO2.

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L-Isoleucine Chemical Structure

This is the chemical structure of L-isoleucine.
This is the chemical structure of L-isoleucine. Todd Helmenstine

The molecular formula for L-isoleucine is C6H13NO2.

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Isoleucyl Chemical Structure

This is the chemical structure of isoleucyl.
This is the chemical structure of isoleucyl. Todd Helmenstine

This is the amino acid radical of isoleucine.

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Isooctane Chemical Structure

This is the structure of isooctane.
This is the structure of isooctane. Todd Helmenstine

The molecular formula for isooctane, or 2,2,4-trimethylpentane is C8H18.

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Isooctanol - 2-Ethylhexanol Chemical Structure

This is the chemical structure of 2-ethylhexanol.
This is the chemical structure of 2-ethylhexanol. Slashme/PD

The molecular formula for isooctanol or 2-ethylhexanol is C8H18O.

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Isopentane Chemical Structure

This is the chemical structure of isopentane.
This is the chemical structure of isopentane. Todd Helmenstine

The molecular formula for isopentane is C5H12.

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Isoprene Chemical Structure

This is the chemical structure of isoprene.
This is the chemical structure of isoprene. Todd Helmenstine

The molecular formula for isoprene is C5H8.

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Isoprene

This is the chemical structure of isoprene.
This is the chemical structure of isoprene. Todd Helmenstine

This is the chemical structure of isoprene.

Molecular Formula: C5H8

Molecular Mass: 68.12 Daltons

Systematic Name: isoprene

Other Names: 2-methylbutadiene, isopentadiene, 2-methyldivinyl

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Isophthalic Acid Chemical Structure

This is the chemical structure of isophthalic acid.
This is the chemical structure of isophthalic acid. Ben Mills/PD

The molecular formula for isophthalic acid is C8H4O2.

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Isopropanol

Isopropanol is isopropyl alcohol.
Isopropanol is isopropyl alcohol. It is also called 2-propanol or propan-2-ol. Ben Mills

The molecular formula for isopropanol or isopropyl alcohol is C3H8O.

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Isoquinoline Chemical Structure

This is the chemical structure of isoquinoline.
This is the chemical structure of isoquinoline. Todd Helmenstine

The molecular formula for isoquinoline is C9H7N.

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Isovaleric Acid - 3-Methylbutanoic Acid Chemical Structure

This is the chemical structure of isovaleric acid or 3-methylbutanoic acid.
This is the chemical structure of isovaleric acid or 3-methylbutanoic acid. Todd Helmenstine

The molecular formula for isovaleric acid or 3-methylbutanoic acid is C5H10O2.

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Isoxazole Chemical Structure

This is the chemical structure of isoxazole.
This is the chemical structure of isoxazole. Todd Helmenstine

The molecular formula for isoxazole is C3H3NO.

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Itraconazole Chemical Structure

This is the chemical structure of Itraconazole.
This is the chemical structure of Itraconazole. Edgar181/PD

The molecular formula for Itraconazole is C35H38Cl2N8O4.

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Isoleucine Chemical Structure

This is the chemical structure of isoleucine.
Amino Acid This is the chemical structure of isoleucine. Todd Helmenstine

The molecular formula for isoleucine is C6H13NO2.

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Isobutane Chemical Structure - Ball and Stick Model of Isobutane

This is the ball and stick structure of isobutane.
This is the ball and stick structure of isobutane. Todd Helmenstine

The chemical formula for isobutane is C4H10.