Nucleosides and Nucleotides

Stability Hygroscopic
Applications A metabolite of Lamivudine (L172500).
References Burgess, K., et al.: Chem. Rev., 100, 2047 (2000), Gallois-Montbrun, S., et al.: Biochem. Pharmacol., 68, 1749 (2004),

Applications A useful intermediate for chemical modifications of base and sugar moieties in natural nucleosides.
References Sashaki, T., et al.: J. Org. Chem., 40(1), 106 (1975)

Applications N-​[2-​(Methylthio)​ethyl]​-​2-​[(3,​3,​3-​trifluoropropyl)​thio]​-adenosine is used for developing platelet P2T receptor antagonists, which have potential applications for antithrombotic therapy.
References Ingall, A. H., et al.: J. Med. Chem. 42, 213 (1999)

Impurity Aciclovir EP Impurity B
Applications Guanine is 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. Aciclovir EP Impurity B.
References Geslain, R., et al.: J. Biol. Chem., 284, 27760 (2009); Manini, P., et al.: Toxicol. Lett., 190, 41 (2009); Gong, B., et al.: Biochem., 48, 11961 (2009); Sugimoto, M., et al.: J. Agric. Food Chem., 58, 374 (2010);

Applications Cladribine 5’-Monophosphate Ammonium Salt can be used as an antiviral, antibacterial and antileukemic agent.
References Cook, P., et al.: U.S., US 4719295 A 19880112 (1988);

Stability Very Hygroscopic
Applications Labelled Emtricitabine. A reverse transcriptase inhibitor. It is an effective antiviral agent against HIV, HBV, and other viruses replicating in a similar manner. A nucleoside analog structurally related to Lamivudine (L172500).
References Schinazi, R.F., et al.: Antimicrob. Ag. Chemother., 36, 2423 (1992), Shockeor, J.P., et al.: Xenobioica, 26, 189 (1996), Feng, J.Y., et al.: FASEB J., 13, 1511 (1999), Molina, J.-M., et al.: J. Infec. Dis., 182, 599 (2000)

Applications Inhibitor of enzyme. It is used for Phosphodiesterase Substrate.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Preuss, C.V., Biochem. Pharmacol., 51, 1661 (1996),

Applications 2-Amino-6-(chloromethyl)-4(3H)-pteridinone is a reagent/intermediate used in the preparation of Folic Acid (F680300) and its derivatives.
References Qi, Y., et al.: Faming Zhuanli Shenqing. CN 103755706 A 20140430. Apr 30, 2014;

Applications Open ring Dapagliflozin. Dapagliflozin (D185370) impurity.

Applications 6-Benzylaminopurine 9-(β-D-glucoside) (cas# 4294-17-1) is a compound useful in organic synthesis.

Stability Moisture Sensitive
Applications Eye irritant.
References Bagley, D. M. et al.; Toxicol. In Vitro 13, 505 (1999); Gilleron, L. et al.; Toxicol. In Vitro 11, 641 (1997)

Applications Widespread throughout animal and plant tissues combined with niacinamide, d-ribose, and phosphoric acids; a constituent of nucleic acids and coenzymes, such as codehydrase I and II, adenylic acid, coalaninedehydrase. It is used in microbial determination of niacin; in research on heredity, virus diseases, and cancer.
References Philips, et al.: J. Pharmacol. Exp. Ther., 20, 104 (1952), Lambertucci, C., et al.: Bioorg. Med. Chem., 17, 2812 (2009),

Applications A metabolite of 5-Fluorouracil. (F596000)
References Bocci, G., et al.: Eur. J. Clin. Pharmacol., 58, 593 (2002), Longley, D.B., Nature Rev. Cancer, 3, 330 (2003), Fischel, J., et al.: Anti-Cancer Drugs, 15, 969 (2004)

Applications A natural, active form of folic acid used at the cellular level for DNA reproduction, the cysteine cycle and the regulation of homocysteine among other functions. It is a coenzymated form of folic acid. It has been proposed for treatment of cardiovascular disease.
References Willems, F. et al.: Br. J. Pharmacol., 145, 823 (2004); Prinz-Langhebohi, R.: et al., Br. J. Pharmacol., 158, 2014 (2009); Wright, A. et al.: Brit, J. Nutrit., 103, 724 (2010)

Impurity Fluorouracil EP Impurity B; Fluorouracil USP Related Compound B
Applications A 5-hydroxy derivative of the nucleobase Uracil (U801000) and an isomer of Barbituric Acid (B118650). Studies show that it can form stable base pairs with all four bases in a DNA duplex. It has been used as oxidative DNA damage biomarker in tissue engineered skin. Fluorouracil EP Impurity B. Fluorouracil USP Related Compound B
References Varatharasa T. et al.: Chem. Comm., 3, 400 (2005); Jaruga, P. et al.: Nucleic Acid Res., 24, 1389 (1996); Rodriguez, H. et al.: Adv. Exp. Med. Biol., 534, 129 (2003);