Chemical Structures Starting with the Letter H

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Hasubanan Chemical Structure

hasubanan chemical structure
hasubanan chemical structure. Todd Helmenstine

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

The molecular formula for hasubanan is C16H21N.

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Hemoglobin

Hemoglobin
Hemoglobin molecular structure. The protein subunits are shown in red and blue with iron-containing heme groups in green. Zephyris, Wikipedia Commons
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Heptane Chemical Structure

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

The molecular formula for heptane is C7H16.

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Heroin

Heroin (diacetylmorphine or diamorphine) is pain-killer and recreational drug.
Heroin (diacetylmorphine or diamorphine) is pain-killer and recreational drug that is derived from morphine, which in turn comes from the opium poppy. Ben Mills

The molecular formula for heroin is C21H23NO5.

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Hetisan Chemical Structure

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

The molecular formula for hetisan is C20H27N.

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Hexane

Hexane, also called n-hexane, is the unbranched alkane containing 6 carbon atoms.
Hexane, also called n-hexane, is the unbranched alkane containing 6 carbon atoms. Ben Mills

The molecular formula of hexane is C6H14.

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Histidine

This is the chemical structure of histidine.
This is the chemical structure of histidine. Todd Helmenstine
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Histidyl Chemical Structure

This is the chemical structure of the histidyl radical.
This is the chemical structure of the histidyl radical. Todd Helmenstine

The molecular formula for histidyl is C6H8N3O.

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Homocysteinyl Chemical Structure

This is the chemical structure of the histidyl radical.
This is the chemical structure of the histidyl radical. Todd Helmenstine

Homocysteinyl is another name for the histidyl radical. Its molecular formula is C6H8N3O.

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Hydrochloric Acid

Space-filling model of hydrochloric acid, HCl.
Space-filling model of hydrochloric acid, HCl. Ben Mills
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Hydrogen Peroxide Chemical Structure

Hydrogen peroxide is a weak acid with strong oxidizing properties.
Hydrogen peroxide is a weak acid with strong oxidizing properties. Ben Mills

Hydrogen peroxide is H2O2. It is used as a bleach, disinfectant, to make propellants, and as an oxidizer.

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Hydrogen Sulfide

Hydrogen Sulfide
Hydrogen sulfide goes by many other names, such as sulfane, sulfuretted hydrogen, sulfur hydride, sour gas, sulfurated hydrogen, hydrosulfuric acid, sewer gas, and stink dam. It is responsible for the 'rotten egg' odor. Ben Mills
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Hydronium Ion Lewis Structure

This is the Lewis structure or electron dot diagram for the hydronium ion.
This is the Lewis structure or electron dot diagram for the hydronium ion. Anne Helmenstine
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hydrophosphate

hydrophosphate chemical structure
hydrophosphate chemical structure. Todd Helmenstine
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hydrosulfate

hydrosulfate chemical structure
hydrosulfate chemical structure. Todd Helmenstine
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Hydrogen Cyanide

Hydrogen cyanide is a colorless, volatile, poisonous liquid with the chemical formula HCN.
Hydrogen cyanide is a colorless, volatile, poisonous liquid with the chemical formula HCN. Ben Mills

Hydrogen cyanide is also known as methanenitrile, hydridonitridocarbon, hydrocyanic acid, prussic acid, formonitrile, formic anammonide, carbon hydride nitride, cyanane, and cyclon.

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Hydronium Ion

This image depicts the distribution of electric potential across the hydronium cation.
This image depicts the distribution of electric potential across the hydronium cation. Ben Mills

The formula for the hydronium ion is H3O+.

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Hydronium

The hydronium cation is the simplest type of oxonium ion.
The hydronium cation is the simplest type of oxonium ion. The ion is made by adding another hydrogen to water. Jacek FH, Wikipedia Commons

The formula for the hydronium ion is H3O+.

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Hydrofluoric Acid

This is the space-filling structure of hydrogen fluoride or hydrofluoric acid.
This is the space-filling structure of hydrogen fluoride or hydrofluoric acid. Ben Mills

The chemical formula of hydrofluoric acid is HF.

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Hydrogen Iodide

This is the chemical structure for hydrogen iodide, HI or hydriodic acid.
This is the chemical structure for hydrogen iodide, HI, which dissociates in water to form the strong acid hydriodic acid. Hydriodic acid is also known as hydroiodic acid or iohydroic acid. Booyabazooka, Wikipedia Commons
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Hydrobromic Acid Structure

This is the chemical structure of hydrobromic acid, HBr, one of the strong acids.
This is the chemical structure of hydrobromic acid, HBr, one of the strong acids. 718 Bot, Wikipedia Commons
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Heme Group

This is the chemical structure of the heme group.
This is the chemical structure of the heme group, which consists of an iron ion surrounded by a porphyrin ring. Lennert B, Public Domain
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Hematoxylin Chemical Structure

This is the chemical structure of hematoxylin.
This is the chemical structure of hematoxylin. Shaddack/PD

The molecular formula for hematoxylin is C16H14O6.

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Halothane Chemical Structure

This is the chemical structure of halothane.
This is the chemical structure of halothane. Harbin/PD

The molecular formula for halothane is C2HBrClF3.

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Heme A Chemical Structure

This is the chemical structure of heme A.
This is the chemical structure of heme A. Yikrazuul/PD

The molecular formula for heme A is C49H56O6N4Fe.

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Heme B Chemical Structure

This is the chemical structure of heme B.
This is the chemical structure of heme B. Yikrazuul/PD

The molecular formula for heme B is C34H32O4N4Fe.

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Heme C Chemical Structure

This is the chemical structure of heme C.
This is the chemical structure of heme C. Fvasconcellos/PD

The molecular formula for heme C is C34H36O4N4S2Fe.

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Heme O Chemical Structure

This is the chemical structure of heme O.
This is the chemical structure of heme O. Fvasconcellos/PD

The molecular formula for heme O is C49H58O5N4Fe.

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HEPES - 4-(2-Hydroxyethyl)-1-Piperazineethane Sulfonic Acid

This is the chemical structure of HEPES or 4-(2-Hydroxyethyl)-1-piperazineethane sulfonic acid.
This is the chemical structure of HEPES or 4-(2-Hydroxyethyl)-1-piperazineethane sulfonic acid. Klaus Hoffmeier/PD

The molecular formula for HEPES is C8H18N2O4S.

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Heptadecane Chemical Structure

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

The molecular formula for heptadecane is C17H36.

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Hexabromocyclododecane Chemical Structure

This is the chemical structure of hexabromocyclododecane.
This is the chemical structure of hexabromocyclododecane. Leyo/PD

The molecular formula for hexabromocyclododecane is C12H18Br6.

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Hexachloropropene Chemical Structure

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

The molecular formula for hexachloropropene is C3Cl6.

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Hexadecane Chemical Structure

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

The molecular formula for hexadecane is C16H34.

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Hexafluoroisopropanol (HFIP) Chemical Structure

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

The molecular formula for hexafluoroisopropanol is C3H2F6O.

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Hexafluoroacetone Chemical Structure

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

The molecular formula for hexafluoroacetone, also known as hexafluoro-2-propanone, is C3F6O.

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Hexafluoroethane Chemical Structure

This is the chemical structure of hexafluoroethane.
This is the chemical structure of hexafluoroethane. Tomaxer/PD

The molecular formula for hexafluoroethane is C2F6.

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Hexafluoropropylene Chemical Structure

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

The molecular formula for hexafluoropropylene is C3F6.

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Hexamethyldewarbenzene Chemical Structure

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

The molecular formula for hexamethyldewarbenzene is C12H18.

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Hexamethyldisilazane (HMDS) Chemical Structure

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

The molecular formula for hexamethyldisilazane is C6H19NSi2.

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Hexane Chemical Structure

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

The molecular formula for hexane is C6H14.

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Hexamethylenimine or Azepane Chemical Structure

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

The molecular formula for hexamethylenimine, or azepane is C6H13N.

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Hexamethylolmelamine (HMM) Chemical Structure

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

The molecular formula for hexamethylolmelamine is C9H18N6.

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Hexamethylphosphoramide (HMPA) Chemical Structure

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

The molecular formula for hexamethylphosphoramide, or HMPA for short, is [(CH3)2N]3PO.

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Hexamine - Hexamethylenetetramine or HMTA Chemical Structure

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

The molecular formula for hexamine, also known as hexamethylenetetramine or HMTA is C6H12N4.

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Hexanedioic Acid - Adipic Acid

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

The molecular formula for hexanedioic acid, also known as adipic acid is C6H10O4.

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Hexanitrodiphenylamine Chemical Structure

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

The molecular formula for hexanitrodiphenylamine is C12H5N7O12.

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Hexanoic Acid - Caproic Acid

This is the chemical structure of caproic acid, also known as hexanoic acid.
This is the chemical structure of caproic acid, also known as hexanoic acid. Calvero/PD

The molecular formula for hexanoic acid is C6H12O2.

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Cis-3-hexenal Chemical Structure

This is the chemical structure of cis-3-hexenal.
This is the chemical structure of cis-3-hexenal. cacycle/PD

The molecular formula for cis-3-hexenal is C6H10O.

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Cis-3-Hexen-1-ol

This is the chemical structure of cis-3-hexen-1-ol.
This is the chemical structure of cis-3-hexen-1-ol. cacycle/PD

The molecular formula for cis-3-hexen-1-ol is C6H12O.

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Hippuric Acid Chemical Structure

This is the chemical structure of hippuric acid.
This is the chemical structure of hippuric acid. Mysid/PD

The molecular formula for hippuric acid is C9H9NO3.

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D-Histidine Chemical Structure

This is the chemical structure of the amino acid D-histidine.
This is the chemical structure of the amino acid D-histidine. Todd Helmenstine

The molecular formula for D-histidine is C6H9N3O2.

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L-Histidine Chemical Structure

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

The molecular formula for L-histidine is C6H9N3O2.

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Histamine Chemical Structure

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

The molecular formula for histamine is C5H9N3.

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Homoarginine Chemical Structure

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

The molecular formula for homoarginine is C7H16N4O2.

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Homocysteine Chemical Structure

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

The molecular formula for homocysteine is C4H9NO2S.

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Homotaurine Chemical Structure

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

The molecular formula for homotaurine is C3H9NO3S.

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Hydrochlorothiazide Chemical Structure

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

The molecular formula for hydrochlorothiazide is C7H8ClN3O4S2.

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Hydrocinnamic Acid Chemical Structure

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

The molecular formula for hydrocinnamic acid is C9H10O2.

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Hydroquinone Chemical Structure

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

The molecular formula for hydroquinone is C6H6O.

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Hydroxybenzoic Acid Chemical Structure

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

The molecular formula for hydroxybenzoic acid is C7H6O3.

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Hydroxybenzene Chemical Structure

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

Phenol has many synonyms: hydroxybenzene, carbolic acid, benzenol, phenylic acid, PhOH. The molecular formula for phenol is C6H6O.

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5-Hydroxymethylcytosine Chemical Structure

This is the chemical structure of 5-hydroxymethylcytosine.
This is the chemical structure of 5-hydroxymethylcytosine. Edgar181/PD

The molecular formula for 5-hydroxymethylcytosine is C5H7N3O2.

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Hydroxyproline Chemical Structure

This is the chemical structure of hydroxyproline.
This is the chemical structure of hydroxyproline. Mysid/PD

The molecular formula for hydroxyproline is C5H9NO3.

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5-Hydroxytryptamine - Serotonin Chemical Structure

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

The molecular formula for serotonin, also known as 5-hydroxytryptamin or 5-HT for short, is C10H12N2O.

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Hygrine Chemical Structure

This is the chemical structure of hygrine.
This is the chemical structure of hygrine. Azazell0/PD

The molecular formula for hygrine is C8H15NO.

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Hexadecanoic Acid - Palmitic Acid Chemical Structure

This is the chemical structure of palmitic acid or hexadecanoic acid.
This is the chemical structure of palmitic acid or hexadecanoic acid. Mrgreen71/PD

The molecular formula for hexadecanoic acid or palmitic acid is C16H32O2.

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Heptanedioic Acid - Pimelic Acid Chemical Structure

This is the chemical structure of heptanedioic acid, also known as pimelic acid.
This is the chemical structure of heptanedioic acid, also known as pimelic acid. Edgar181/PD

The molecular formula for heptanedioic acid is C7H12O4.

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Hexane Chemical Structure

This is the ball and stick model of the hexane molecule.
Simple Alkane Chain This is the ball and stick model of the hexane molecule. Todd Helmenstine

The molecular formula for hexane is C6H14.

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Heptane Chemical Structure

This is the ball and stick model of the heptane molecule.
Simple Alkane Chain This is the ball and stick model of the heptane molecule. Todd Helmenstine

The molecular formula for heptane is C7H16.

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1-Hexyne Chemical Structure

This is the chemical structure of 1-hexyne.
Simple Alkyne This is the chemical structure of 1-hexyne. Todd Helmenstine

The molecular formula for 1-hexyne is C6H10.

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2-Hexyne Chemical Structure

This is the chemical structure of 2-hexyne.
Simple Alkyne This is the chemical structure of 2-hexyne. Todd Helmenstine

The molecular formula for 2-hexyne is C6H10.

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3-Hexyne Chemical Structure

This is the chemical structure of 3-hexyne.
Simple Alkyne This is the chemical structure of 3-hexyne. Todd Helmenstine

The molecular formula for 3-hexyne is C6H10.

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1-Heptyne Chemical Structure

This is the chemical structure of 1-heptyne.
Simple Alkyne This is the chemical structure of 1-heptyne. Todd Helmenstine

The molecular formula for 1-heptyne is C7H12.

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1-Hexene Chemical Structure

This is the chemical structure of 1-hexene.
Simple Alkene Chain This is the chemical structure of 1-hexene. Todd Helmenstine

The molecular formula for 1-hexene is C6H12.

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2-Hexene Chemical Structure

This is the chemical structure of 2-hexene.
Simple Alkene Chain This is the chemical structure of 2-hexene. Todd Helmenstine

The molecular formula for 2-hexene is C6H12.

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3-Hexene Chemical Structure

This is the chemical structure of 3-hexene.
This is the chemical structure of 3-hexene. Todd Helmenstine

The molecular formula for 3-hexene is C6H12.

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1-Heptene Chemical Structure

This is the chemical structure of 1-heptene.
This is the chemical structure of 1-heptene. Todd Helmenstine

The molecular formula for 1-heptene is C7H14.

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1-Heptene Chemical Structure

This is the ball and stick model of the chemical structure of 1-heptene.
This is the ball and stick model of the chemical structure of 1-heptene. Todd Helmenstine

The molecular formula for 1-heptene is C7H14.

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1-Hexene Chemical Structure

This is the ball and stick model of the chemical structure of 1-hexene.
This is the ball and stick model of the chemical structure of 1-hexene. Todd Helmenstine

The molecular formula for 1-hexene is C6H12.

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2-Hexene Chemical Structure

This is the ball and stick model of the chemical structure of 2-hexene.
This is the ball and stick model of the chemical structure of 2-hexene. Todd Helmenstine

The molecular formula for 2-hexene is C6H12.

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3-Hexene Chemical Structure

This is the ball and stick model of the chemical structure of 3-hexene.
This is the ball and stick model of the chemical structure of 3-hexene. Todd Helmenstine

The molecular formula for 3-hexene is C6H12.

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Hexyl Functional Group Chemical Structure

This is the chemical structure of the hexyl functional group.
This is the chemical structure of the hexyl functional group. Todd Helmenstine

The molecular formula for the hexyl functional group is R-C6H13.

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Heptyl Functional Group Chemical Structure

This is the chemical structure of the heptyl functional group.
This is the chemical structure of the heptyl functional group. Todd Helmenstine

The molecular formula for the heptyl functional group is R-C7H15.

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Hydrogen Peroxide Chemical Structure

This is the chemical structure of hydrogen peroxide.
This is the chemical structure of hydrogen peroxide. Todd Helmenstine

Hydrogen peroxide is H2O2. It is used as a bleach, disinfectant, to make propellants, and as an oxidizer.

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Histidine Chemical Structure

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

The molecular formula for histidine (his) is C6H9N3O2.

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Hexanedioic Acid