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C-2799 Capecitabine, >99%       Prices Reduced (June 2010)

[Capecitabin] [Capecitibine] [Capecytabine] [Capiibine] [Captabin] [Caxeta] [Ro 09-1978] [Xabine] [Xeloda] [Ro-09-1978] [Ro09-1978]

M.W. 359.35

C15H22FN3O6

[154361-50-9]

M.I. 14:  1754

Storage:  Store at or below -20 ºC.  Solubility:  Soluble in DMSO at 100 mg/mL; soluble in ethanol at 12.5 mg/mL with slight warming; soluble in water at 2 mg/mL with slight warming; buffers, serum, or other additives may increase or decrease the aqueous solubility.  Disposal:  A

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• Capecitabine is a pre-prodrug of 5-fluorouracil (5-FU).  After oral uptake, capecitabine is first metabolized to 5'-deoxy-5-fluorocytidine (5'-DFCR), which happens mainly in the liver by carboxyl-esterase.  The metabolite is converted to 5'-deoxy-5-fluoro-uridine (5'-DFUR) by cytidine deaminase in liver and tumor tissue.  Then 5'-DFUR is converted to 5-FU intracellularly by thymidine phosphorylase, which is often expressed in tumor tissue.  Miwa, M., et al.  "Design of a novel oral fluoropyrimidine carbamate, capecitabine, which generates 5-fluorouracil selectively in tumours by enzymes concentrated in human liver and cancer tissue."  Eur. J. Cancer 34:  1274-1281 (1998).

• Capecitabine inhibits tumor growth by incorporation of 5-FU into RNA and DNA and inhibition of thymidylate synthase.  Schellens, J.H.  "Capecitabine."  Oncologist 12:  152-155 (2007).

• Capecitabine is the active ingredient in the drug sold under the trade name Xeloda®.  This drug has been approved in at least one country for use in patients with metastatic breast and colorectal cancers.  NOTE:  The capecitabine product sold by LC Laboratories is NOT Xeloda®, and is NOT for human use.

• Other CAS numbers previously assigned to capecitabine, 158798-73-3 and 958887-39-3, have been deleted by CAS and are no longer in use.

• Sold for laboratory or manufacturing purposes only; not for human, veterinary, food, or household use.

• This product is offered for R&D use in accordance with (i) 35 USC 271(e)+A13(1) in the U.S.; (ii) Section 69.1 of Japanese Patent Law in Japan; (iii) Section 11, No. 2 of the German Patent Act of 1981 in Germany; (iv) Section 60, Paragraph 5b of the U.K. Patents Act of 1977 in the U.K.; (v) Sections 55.2(1) and 55.2(6) and other common law exemptions of Canadian patent law; (vi) Section 68B of the Patents Act of 1953 in New Zealand together with the amendment of same by the Statutes Amendment Bill of 2002; (vii) such related legislation and/or case law as may be or become applicable in the aforementioned countries; and (viii) such similar laws and rules as may apply in various other countries.

• Not available in some countries; not available to some institutions; not available for some uses.