Home/Chemicals/51-61-6

Chemical substance record

Dopamine

51-61-6C₈H₁₁NO₂153.181 g/mol

Organic/Inorganic Small MoleculeChEBI source record

Catechol in which the hydrogen at position 4 is substituted by a 2-aminoethyl group. — ChEBI

Safety references

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Identity & molecular properties

Source-linked values

CAS number	51-61-6	ChEBI ↗
Molecular formula	C₈H₁₁NO₂	ChEBI ↗
Molar mass	153.181 g/mol	ChEBI ↗
Monoisotopic mass	153.07898 Da	ChEBI ↗
Formal charge	0	ChEBI ↗
ChEBI identifier	CHEBI:18243	ChEBI ↗

Cross-source molecular data

PubChem

Molar mass	153.18 g/mol	PubChem ↗
Exact mass	153.078978594 Da	PubChem ↗
Computed XLogP	-1	PubChem ↗
Topological polar surface area (Å²)	66.5	PubChem ↗
H-bond donors	3	PubChem ↗
H-bond acceptors	3	PubChem ↗
Rotatable bonds	2	PubChem ↗

PubChem computed values are shown separately from the ChEBI record. An exact InChIKey match was used to connect the records. Molecular descriptors do not describe a supplied product’s purity, particle size or performance.

Names & structural identifiers

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Source preferred name

dopamine

IUPAC name

4-(2-aminoethyl)benzene-1,2-diol

InChIKey

VYFYYTLLBUKUHU-UHFFFAOYSA-N

SMILES

NCCc1ccc(O)c(O)c1

InChI

InChI=1S/C8H11NO2/c9-4-3-6-1-2-7(10)8(11)5-6/h1-2,5,10-11H,3-4,9H2

Names & synonyms

4-(2-aminoethyl)benzene-1,2-dioldopaminadopaminum

Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.

Classification & relationships

ChEBI ontology

catecholamineChEBI parent class · 33567 ↗

phenols organic molecular entity

Roles recorded in ChEBI

antidepressantbeta-adrenergic agonistsympathomimetic agenthypoglycemic agentcardiovascular drugcardiotonic drugantiparkinson drugdopaminergic agentmouse metaboliteEscherichia coli metabolite

Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.

Mass ↔ amount of substance

Calculated from sourced mass

Amount

Input unit

Equivalent amount

0.00652822 mol

Uses 153.181 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Elemental composition

Theoretical mass fractions

C

Carbon · 8 atoms

62.73%

O

Oxygen · 2 atoms

20.89%

N

Nitrogen · 1 atom

9.14%

H

Hydrogen · 11 atoms

7.24%

Calculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.

Research & patent references

Selected source associations

Dopamine stimulates redox-tyrosine kinase signaling and p38 MAPK in activation of astrocytic C6-D2L cells. ↗Brain research · 1999 Dec 11 · PMID 10629745

Dopamine and intraocular pressure in critically ill patients. ↗Anesthesiology · 2000 Dec · PMID 11149432

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Sources & record history

Checked 27 Sep 2026

Identity, formula, mass, synonyms & ontologyEMBL-EBI ChEBI · CHEBI:18243

Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0

Additional molecular descriptorsNCBI PubChem · CID 681 · retrieved 2026-09-27

PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.

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