science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2022 Substance: guanine Other Names: 2-amino-9H-purin-6(1H)-one Formula: C5H5N5O CAS-No.: 73-40-5 PubChem: CID 764 Study: UV absorption cross sections Authors: K.R. Koswattage, Y. Izumi, K. Nakagawa Title: Optical Absorption Cross-Section of DNA Bases — Thymine and Guanine — in the Energy Region from 3.1 to 250 eV (5–400 nm) Journal/Source: Quantum Beam Sci., 4(3), 30, (2020); https://doi.org/10.3390/qubs4030030 Data: diagram, table Energy/Wavelength range: 3.1 - 250 eV (~ 5 - 400 nm) Resolution: Pathlength: Temperature: Temperature dependence: no Pressure/Concentration: Phase: thin film pH: Comments: