Chemical substance record

Norsalsolinol

34827-33-3C₉H₁₁NO₂165.192 g/mol

Organic/Inorganic Small MoleculeChEBI source record

An isoquinolinol that is 1,2,3,4-tetrahydroisoquinoline substituted by hydroxy groups at positions 6 and 7. It is present in the dopamine-rich areas of the human brain, including the substantia nigra. — ChEBI

Safety references

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Identity & molecular properties

Source-linked values

CAS number	34827-33-3	ChEBI ↗
Molecular formula	C₉H₁₁NO₂	ChEBI ↗
Molar mass	165.192 g/mol	ChEBI ↗
Monoisotopic mass	165.07898 Da	ChEBI ↗
Formal charge	0	ChEBI ↗
ChEBI identifier	CHEBI:173739	ChEBI ↗

Names & structural identifiers

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Source preferred name

norsalsolinol

IUPAC name

1,2,3,4-tetrahydroisoquinoline-6,7-diol

InChIKey

MBFUSGLXKQWVDW-UHFFFAOYSA-N

SMILES

Oc1cc2c(cc1O)CNCC2

InChI

InChI=1S/C9H11NO2/c11-8-3-6-1-2-10-5-7(6)4-9(8)12/h3-4,10-12H,1-2,5H2

Names & synonyms

1,2,3,4-tetrahydroisoquinoline-6,7-diol

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

Classification & relationships

ChEBI ontology

isoquinolinolChEBI parent class · 24923 ↗

organic heterocyclic compound organic molecular entity

Roles recorded in ChEBI

apoptosis induceranimal metabolitemarine metabolitehuman 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

0.00605356 mol

Uses 165.192 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 · 9 atoms

65.44%

O

Oxygen · 2 atoms

19.37%

N

Nitrogen · 1 atom

8.48%

H

Hydrogen · 11 atoms

6.71%

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

Comparative molecular field analysis (CoMFA) models of phenylethanolamine N-methyltransferase (PNMT) and the alpha2-adrenoceptor: the development of new, highly selective inhibitors of PNMT. ↗Bioorganic & medicinal chemistry letters · 1999 Feb 8 · PMID 10091706

Determination of dopamine and dopamine-derived (R)-/(S)-salsolinol and norsalsolinol in various human brain areas using solid-phase extraction and gas chromatography/mass spectrometry. ↗Forensic science international · 2000 Sep 11 · PMID 10978649

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Sources & record history

Checked 27 Sep 2026

Identity, formula, mass, synonyms & ontologyEMBL-EBI ChEBI · CHEBI:173739

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

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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