Nucleosidi e Nucleotidi

Applications Gemcitabine is used for breast cancer treatment. First-line treatment for locally advanced pancreatic cancer.
References Hamsici, S., et al.: Bioconjugate Chem., (2017); Peng, T., et al.: J. Cell. Biochem., (2017)

Applications 2-Deoxy-D-ribose induces apoptosis by inhibiting the synthesis and increasing the efflux of glutathione.
References Fico, A., et al.: Free Radical Biology & Medicine, 45, 211 (2008),

Applications Melphalan is an antineoplastic.
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 Ross, W.C.J., et al.: Biochem. Pharmacol., 13, 969 (1964); Donelli, M.G., et al.: J. Pharm. Pharmacol., 18, 760 (1966), Furner, R.L., et al.: Cancer Treat. Rep., 64, 559 (1980),

Applications 5’-O-Acetyl Ribavirin is an impurity of Ribavirin (R414475). Ribavirin impurity F.
References Zakharieva., et al.: Bioorganic. Medicinal. Chem., 1994, 4, 2831 (1994), Reichard., et al.: The Lancet, 351, 83 (1998),

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 Acetoguanide is a degradation product of the sulfonylurea herbicide Iodosulfuron.
References Pramauro, E., et al.: Environ. Sci. Technol., 27, 1790 (1993); Rouchard, J., et al.: Toxicol. Environ. Chem., 85, 103 (2003); Brigante, M., et al.: J. Agric. Food Chem., 53, 5347 (2005);

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),

Stability Hygroscopic
Applications A metabolite of the potent and selective inhibitor of HIV-1 replication, AZT.

Applications Cabotegravir O-β-D-Glucuronide is a metabolite of Cabotegravir (C050100), a long acting HIV-1 integrase inhibitor with action against a broad range of HIV subtypes.
References Yoshinaga, T. et al.: Antimicrob, Agents Chemother., 59, 397 (2015); Andrews, C. et al.: Sci. Transl. Med., 7, 270 (2015)

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);

Stability Moisture Sensitive
Applications Cytidine 5'-diphosphocholine (cas# 987-78-0) is a useful research chemical.

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)

Impurity Aciclovir EP Impurity R
Applications Acyclovir Formacetal Dimer is a dimer impurity of Acyclovir (A192400); an orally active acyclic nucleoside with inhibitory activity towards several herpes viruses. Also antiviral. (Aciclovir EP Impurity R)
References Collins, P., et al.: J. Antimicrob. Chemother., 5, 431 (1979); Matsumoto, H., et al.: Chem. Pharm. Bull., 36, 1153 (1988); Whitley, R.J., et al.: N. Engl. J. Med., 327, 782 (1992)

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