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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 48413Generated: November 3, 2026

Barbituric acid, 5-(2-cyclopentenyl)-1-methyl-5-(1-methylvinyl)-

5-(2-Cyclopentenyl)-1-methyl-5-(1-methylvinyl)barbituric acid · 5-(2-Cyclopentenyl)-1-methyl-5-(1-methylvinyl)-2,4,6(1H,3H,5H)-pyrimidinetrione · 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-(2-cyclopenten-1-yl)-1-methyl-5-(1-methylethenyl)-

https://huagongshe.com/en/chemical/48413

Barbituric acid, 5-(2-cyclopentenyl)-1-methyl-5-(1-methylvinyl)- molecular structure

Identifiers & Physical Properties

CAS No.66940-66-7
Molecular formulaC13H16N2O3
Average molar mass248.28 g/mol
Monoisotopic mass248.11609238 g/mol
SMILESC=C(C)C1(C2C=CCC2)C(=O)NC(=O)N(C)C1=O
InChIKeyUHPZHYWHBQNHPI-UHFFFAOYSA-N
PubChem CID48413
DTXSIDDTXSID90985630

Chemical & Physical Properties

XLogP1.8
Topological polar surface area66.5
Hydrogen bond donors1
Hydrogen bond acceptors3
Rotatable bonds2
Heavy atoms18
Formal charge0
Complexity481
Density1.225±0.06 g/cm3(Predicted)
pKa (acidity coefficient)7.99±0.10(Predicted)