Home/Chemicals/14691-88-4

Chemical substance record

4-amino-TEMPO

14691-88-4C₉H₁₉N₂O171.264 g/mol

Organic/Inorganic Small MoleculeChEBI source record

A member of the class of aminoxyls that is TEMPO carrying an amino group at position 4. — ChEBI

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Identity & molecular properties

Source-linked values

CAS number	14691-88-4	ChEBI ↗
Molecular formula	C₉H₁₉N₂O	ChEBI ↗
Molar mass	171.264 g/mol	ChEBI ↗
Monoisotopic mass	171.14974 Da	ChEBI ↗
Formal charge	0	ChEBI ↗
ChEBI identifier	CHEBI:180672	ChEBI ↗

Names & structural identifiers

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Source preferred name

4-amino-TEMPO

IUPAC name

(4-amino-2,2,6,6-tetramethylpiperidin-1-yl)oxidanyl

InChIKey

XUXUHDYTLNCYQQ-UHFFFAOYSA-N

SMILES

CC1(C)CC(N)CC(C)(C)N1[O]

InChI

InChI=1S/C9H19N2O/c1-8(2)5-7(10)6-9(3,4)11(8)12/h7H,5-6,10H2,1-4H3

Names & synonyms

(4-amino-2,2,6,6-tetramethylpiperidin-1-yl)oxidanyl

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

Classification & relationships

ChEBI ontology

aminoxylsChEBI parent class · 39477 ↗aminopiperidineChEBI parent class · 48588 ↗primary amino compoundChEBI parent class · 50994 ↗

organic heterocyclic compound organic molecular entity

Roles recorded in ChEBI

spin labelantineoplastic agentradical scavengerneuroprotective agent

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

0.00583894 mol

Uses 171.264 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

63.12%

N

Nitrogen · 2 atoms

16.36%

H

Hydrogen · 19 atoms

11.18%

O

Oxygen · 1 atom

9.34%

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

Determination of a transmembrane pH difference in chloroplasts with a spin label tempamine. ↗Journal of magnetic resonance (San Diego, Calif. : 1997) · 2003 Aug · PMID 12914841

Stent-based tempamine delivery on neointimal formation in a porcine coronary model. ↗Acute cardiac care · 2006 · PMID 17162547

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Sources & record history

Checked 27 Sep 2026

Identity, formula, mass, synonyms & ontologyEMBL-EBI ChEBI · CHEBI:180672

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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