Formulation: A solid
Formal Name: 3,9-dihydro-1-methyl-1H-purine-2,6-dione
Purity: ≥98%
Formula Markup: C6H6N4O2
Formula Weight: 166,1
Shelf life (days): 1460
CAS Number: 6136-37-4
Notes: 1-Methylxanthine is an active metabolite of caffeine (Item No. 14118).{68086,68087} It enhances ionizing radiation-induced DNA double-strand break formation in RKO colorectal cancer cells when used at a concentration of 3 mM.{68086} 1-Methylxanthine (100 µM) inhibits the uptake of 6-carboxyfluorescein (Item No. 21233) in CHO cells overexpressing human organic anion transporter 1 (OAT1).{68087} It has also been used as a biomarker of caffeine consumption.{68088}