Home/Chemicals/51-64-9

Chemical substance record

(S)-amphetamine

51-64-9C₉H₁₃N135.21 g/mol

Organic/Inorganic Small MoleculeChEBI source record

A 1-phenylpropan-2-amine that has S configuration. — ChEBI

Safety references

Safety documents & references

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Identity & molecular properties

Source-linked values

CAS number	51-64-9	ChEBI ↗
Molecular formula	C₉H₁₃N	ChEBI ↗
Molar mass	135.21 g/mol	ChEBI ↗
Monoisotopic mass	135.1048 Da	ChEBI ↗
Formal charge	0	ChEBI ↗
ChEBI identifier	CHEBI:4469	ChEBI ↗

Cross-source molecular data

PubChem

Molar mass	135.21 g/mol	PubChem ↗
Exact mass	135.104799419 Da	PubChem ↗
Computed XLogP	1.8	PubChem ↗
Topological polar surface area (Å²)	26	PubChem ↗
H-bond donors	1	PubChem ↗
H-bond acceptors	1	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

(S)-amphetamine

IUPAC name

(2S)-1-phenylpropan-2-amine

InChIKey

KWTSXDURSIMDCE-QMMMGPOBSA-N

SMILES

C[C@H](N)Cc1ccccc1

InChI

InChI=1S/C9H13N/c1-8(10)7-9-5-3-2-4-6-9/h2-6,8H,7,10H2,1H3/t8-/m0/s1

Names & synonyms

(2S)-1-phenylpropan-2-amine

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

Classification & relationships

ChEBI ontology

1-phenylpropan-2-amineChEBI parent class · 132233 ↗

amine organic molecular entity

Roles recorded in ChEBI

antidepressantantipsychotic agentsympathomimetic agentantineoplastic agentadrenergic uptake inhibitorimmunosuppressive agentadrenergic agentdopaminergic agentneurotoxindopamine uptake inhibitor

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

0.0073959 mol

Uses 135.21 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

79.95%

N

Nitrogen · 1 atom

10.36%

H

Hydrogen · 13 atoms

9.69%

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

Contextual conditioning enhances the psychostimulant and incentive properties of d-amphetamine in humans. ↗Addiction biology · 2013 Nov · PMID 22129527

Dexamphetamine selectively increases 40 Hz auditory steady state response power to target and nontarget stimuli in healthy humans. ↗Journal of psychiatry & neuroscience : JPN · 2013 Jan · PMID 22894820

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Sources & record history

Checked 27 Sep 2026

Identity, formula, mass, synonyms & ontologyEMBL-EBI ChEBI · CHEBI:4469

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

Additional molecular descriptorsNCBI PubChem · CID 5826 · 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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