Isocoffein (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Isocoffein" in German language version.

Last modified: 09:03:00, 13 March 2026 (UTC)

Ref.Un. Ref.Website

Global rank German rank

41sigmaaldrich.com

774^th place

63^rd place

11actachemscand.org

low place

low place

actachemscand.org (Global: low place; German: low place)

H. Rasmussen, E. Sletten: The Crystal and Electronic Structure of Isocoffeine, (1,3,9-Trimethyl-2,6-dioxypurine), in: Acta Chem. Scand., 1973, 27, S. 2757–2768. (PDF; 1,1 MB).

sigmaaldrich.com (Global: 774^th place; German: 63^rd place)

Datenblatt 1,3,9-Trimethylxanthine bei Sigma-Aldrich, abgerufen am 11. Mai 2011 (PDF).