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Molecule record

pyrimidin-2-amine

C4H5N3

95.11 g/mol

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Molecular properties

Formula
C4H5N3
Molar mass
95.11 g·mol−1
Exact mass
95.0483 Da
4
PubChem CID
7978

Functional groups

Aromatic ring
Primary amine

Physical properties

No source-backed physical properties are curated for this molecule yet.

Common names and synonyms

  • 1,2-Dihydro-2-iminopyrimidine
  • 109-12-6
  • 2(1H)-Pyrimidinimine, (E)- (9CI)
  • 2-AMINOPYRIMIDINE
  • 2-Aminopyrimidine, 97%
  • 2-Pyrimidinamine
  • 2-Pyrimidiylamine
  • 2-amino-pyrimidine
Show all 24 synonyms
  • 2-aminopirimidina
  • 203-648-4
  • AI3-24128
  • Aminopyrimidine
  • CHEBI:38618
  • DTXCID40818181
  • DTXSID70870459
  • EINECS 203-648-4
  • MFCD00006089
  • NSC-1912
  • OB8I17P2G4
  • Pyrimidin-2-ylamine
  • Pyrimidinamine
  • Pyrimidine, 2-amino-
  • RefChem:465209
  • Sulfadiazine EP Impurity A

Structure identifiers

Canonical SMILES
Nc1ncccn1
Isomeric SMILES
C1=CN=C(N=C1)N
InChI
InChI=1S/C4H5N3/c5-4-6-2-1-3-7-4/h1-3H,(H2,5,6,7)
InChIKey
LJXQPZWIHJMPQQ-UHFFFAOYSA-N
PubChem CID
7978

Spectroscopy

Tabs appear only for spectra stored with clear provenance.

Open library
No redistributable or simulated spectroscopy record is attached yet.

Simulated NMR

On-demand educational prediction for pyrimidin-2-amine; not experimental data.

Simulated EI mass spectrum

On-demand educational fragmentation for pyrimidin-2-amine; not experimental data.

Sources

Molecule identity

Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.

PubChem(link only)
Open source record