Compound

hypochlorous acid

An oxyacid of chlorine (HClO) containing monovalent chlorine that acts as an oxidizing or reducing agent.

Definition from MeSH (D006997), National Library of Medicine, read 2026-09-23. NLM revises MeSH; this copy may not reflect its current record.

CHEBI:24757ChEBI

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Structure

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A generated conformer of hypochlorous acid — one low-energy arrangement PubChem computed, not a measured structure. Hydrogens are not drawn; the formula counts them.

Class: Organic compound
Formula: HClO
Mass: 52.46 g/mol
Charge: 0
InChIKey: QWPPOHNGKGFGJK-UHFFFAOYSA-N
SMILES: OCl
Look it up: ChEBI PubChem By InChIKey

Identity from ChEBI, geometry from PubChem. Not evidence.

What it touches on the way

Mechanistic reach

5 entities

5 entities reached.

0 reported hops5 assembled from the scaffold

What the reference databases state

Statements

26 statements

26 statements · 2 reference databases · Subject: hypochlorous acid · Sources: Human-GEM, Rhea

Order

hypochlorous acid is converted to chlorideCompoundRhea RHEA:28218Inferred only
chloride is converted to hypochlorous acidCompoundRhea RHEA:28218Inferred only
hypochlorous acid is converted to chlorine(.)CompoundHuman-GEM MAR03140Inferred only
chlorine(.) is converted to hypochlorous acidCompoundHuman-GEM MAR06535Inferred only
chlorine(.) is converted to hypochlorous acidCompoundHuman-GEM MAR03140Inferred only
chlorine(.) is converted to hypochlorous acidCompoundHuman-GEM MAR03141Inferred only
hypochlorous acid is converted to chlorine(.)CompoundHuman-GEM MAR03145Inferred only
hypochlorous acid is converted to chlorine(.)CompoundHuman-GEM MAR06535Inferred only
chlorine(.) is converted to hypochlorous acidCompoundHuman-GEM MAR03145Inferred only
hypochlorous acid is converted to chlorine(.)CompoundHuman-GEM MAR03141Inferred only
hypochlorous acid is a substrate of EPXProteinHuman-GEM MAR06536Inferred only
hypochlorous acid is a substrate of EPXProteinHuman-GEM MAR06535Inferred only

Show the remaining 14

hypochlorous acid is a substrate of EPXProteinRhea RHEA:28218Inferred only
hypochlorous acid is a substrate of LPOProteinHuman-GEM MAR06535Inferred only
hypochlorous acid is a substrate of LPOProteinHuman-GEM MAR03140Inferred only
hypochlorous acid is a substrate of LPOProteinHuman-GEM MAR03147Inferred only
hypochlorous acid is a substrate of LPOProteinHuman-GEM MAR06536Inferred only
hypochlorous acid is a substrate of MPOProteinRhea RHEA:28218Inferred only
hypochlorous acid is a substrate of MPOProteinHuman-GEM MAR03141Inferred only
hypochlorous acid is a substrate of MPOProteinHuman-GEM MAR03145Inferred only
hypochlorous acid is a substrate of MPOProteinHuman-GEM MAR03148Inferred only
hypochlorous acid is a substrate of MPOProteinHuman-GEM MAR03152Inferred only
hypochlorous acid is a substrate of PRDX6ProteinHuman-GEM MAR06535Inferred only
hypochlorous acid is a substrate of PRDX6ProteinHuman-GEM MAR03148Inferred only
hypochlorous acid is a substrate of PRDX6ProteinHuman-GEM MAR03141Inferred only
hypochlorous acid is a substrate of PXDNProteinHuman-GEM MAR06536Inferred only

Reactions

10 reactions

chlorine(.)+proton+hydrogen peroxidewater+hypochlorous acid
Catalysed by LPO
Reaction pageReversibleBalancedEC 1.11.1.7GO:0005615
Human-GEM MAR03140CC BY 4.0Reference data
chlorine(.)+proton+hydrogen peroxidewater+hypochlorous acid
Catalysed by MPO or PRDX6
Reaction pageReversibleBalancedEC 1.11.1.7GO:0005764
Human-GEM MAR03141CC BY 4.0Reference data
chlorine(.)+proton+hydrogen peroxidewater+hypochlorous acid
Catalysed by MPO
Reaction pageReversibleBalancedEC 1.11.1.7GO:0005634
Human-GEM MAR03145CC BY 4.0Reference data
proton+hypochlorous acid+nitritewater+MAM02591e
Catalysed by LPO
Reaction pageReversibleBalancedEC 1.11.1.7GO:0005615
Human-GEM MAR03147CC BY 4.0Reference data
proton+hypochlorous acid+nitritewater+MAM02591l
Catalysed by MPO or PRDX6
Reaction pageReversibleBalancedEC 1.11.1.7GO:0005764
Human-GEM MAR03148CC BY 4.0Reference data
proton+hypochlorous acid+nitritewater+MAM02591n
Catalysed by MPO
Reaction pageReversibleBalancedEC 1.11.1.7GO:0005634
Human-GEM MAR03152CC BY 4.0Reference data
hypochlorous acid
Reaction pageReversibleBalance undeterminableGO:0005615
Human-GEM MAR04374CC BY 4.0Reference data
water+hypochlorous acidchlorine(.)+proton+hydrogen peroxide
Catalysed by PRDX6 or EPX or LPO
Reaction pageReversibleBalancedEC 1.11.1.7GO:0005829
Human-GEM MAR06535CC BY 4.0Reference data
proton+hypochlorous acid+nitritewater+MAM02591c
Catalysed by EPX or PXDN or LPO
Reaction pageReversibleBalancedEC 1.11.1.7GO:0005829
Human-GEM MAR06536CC BY 4.0Reference data
chloride+hydrogen peroxide+hydronhypochlorous acid+water
Catalysed by MPO or EPX
Reaction pageLeft to rightBalance undeterminable
Rhea RHEA:28218CC BY 4.0Reference data

Other names

6 names

Resolves to: hypochlorous acid

Also called: [ClOH]HClOHOClhypochloric acid
Systematic name: chloranolhydroxidochlorine