science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2019 Substance: purine Other Names: 9H-purine Formula: C5H4N4 CAS-No.: 120-73-0 Study: uv absorption spectra Authors: L.B. Clark, I. Tinoco Jr. Title: Correlations in the Ultraviolet Spectra of the Purine and Pyrimidine Bases Journal/Source: J. Am. Chem. Soc., 87 (1), 11-15, (1965); DOI: 10.1021/ja01079a003 Data: diagram, table Energy/Wavelength range: ~ 180 - 290 nm Resolution: Temperature: 298 K Temperature dependence: no Pressure/Concentration: Phase: solution (methyl cyclohexane) pH: Comments: Author to whom correspondence should be addressed: (e-mail address):