science-softCon uv/vis+ spectra data base; www.uv-spectra.de, (C) science-softCon 2018 Substance: 1,3-dimethylxanthine Other Names: theophyllin Formula: C7H8N4O2 CAS-No.: 58-55-9 PubChem: CID 2153 Study: uv absorption spectra Authors: A.W. Sangster, K.L. Stuart Title: Ultraviolet Spectra of Alkaloids Journal/Source: Chem. Rev., 65 (1), 69-130, (1965); DOI: 10.1021/cr60233a003 Data: diagram, table Energy/Wavelength range: 200 - 300 nm Resolution: Temperature: 298 K Temperature dependence: no Pressure/Concentration. Phase: solution (buffer) pH: 10.8 Comments: Review Author to whom correspondence should be addressed: (e-mail address):