2H-Triazolo[4,5-d]Pyrimidine
[CAS# 273-40-5]

Identification

• Name: 2H-Triazolo[4,5-d]Pyrimidine
• Synonyms: 2H-[1,2,3]Triazolo[4,5-D]Pyrimidine; 1H-1,2,3-Triazolo(4,5-D)Pyrimidine; 8-Azapurine
• Molecular Formula: C₄H₃N₅
• Molecular Weight: 121.10
• CAS Registry Number: 273-40-5
• SMILES: C1=NC=NC2=N[NH]N=C12
• InChI: 1S/C4H3N5/c1-3-4(6-2-5-1)8-9-7-3/h1-2H,(H,5,6,7,8,9)
• InChIKey: GIIGHSIIKVOWKZ-UHFFFAOYSA-N

Properties

• Density: 1.62g/cm³ (Cal.)
• Boiling point: 324.381°C at 760 mmHg (Cal.)
• Flash point: 167.615°C (Cal.)

References

• (1): Iwona Łakomska, Huub Kooijman, Anthony L. Spek, Wei-Zheng Shen and Jan Reedijk. Mono- and dinuclear platinum(II) compounds with 5,7-dimethyl-1,2,4-triazolo[1,5-a]pyrimidine. Structure, cytotoxic activity and reaction with 5′-GMP, Dalton Trans., 2009, 10736.