Free Base High purity guanine, but not always able to meet our "White Crystal" specification. It is an acceptable, less expensive alternative to 190691 that still meets or exceeds most other dealers' best grade.
Guanine is on one of the five nucleobases incorporated into biological nucleic acids. Guanine, along with adenine and cytosine, is present in both DNA and RNA, whereas thymine is usually seen only in DNA, and uracil only in RNA.
References
PubChem Literature
From Data Sources
• Geslain, R., et al.: J. Biol. Chem., 284, 27760 (2009)
• Gong, B., et al.: Biochem., 48, 11961 (2009)
• Sugimoto, M., et al.: J. Agric. Food Chem., 58, 374 (2009)
• Manini, P., et al.: Toxicol. Lett., 190, 41 (2009)
Irritant (Xi)