Carzonal
Brand names,
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Analogs
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Brand Names Mixture
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Chemical_Formula
C4H3FN2O2
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RX_link
http://www.rxlist.com/cgi/generic3/carac.htm
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fda sheet
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msds (material safety sheet)
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Synthesis Reference
Heidelberger et al., U.S. Pat 2802005(1956)
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Molecular Weight
130.077 g/mol
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Melting Point
280-282oC
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H2O Solubility
< 0.1 g/100 mL at 19 °C
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State
Solid
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LogP
-0.77
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Dosage Forms
Topical preparations; Solution for injection
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Indication
For the topical treatment of multiple actinic or solar keratoses. In the 5% strength it is also useful in the treatment of superficial basal cell carcinomas when conventional methods are impractical, such as with multiple lesions or difficult treatment sites. Fluorouracil injection is indicated in the palliative management of some types of cancer, including colon, rectum, breast, stomach and pancrease.
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Pharmacology
Fluorouracil is an antineoplastic anti-metabolite. Anti-metabolites masquerade as purine or pyrimidine - which become the building blocks of DNA. They prevent these substances becoming incorporated in to DNA during the "S" phase (of the cell cycle), stopping normal development and division. Fluorouracil blocks an enzyme which converts the cytosine nucleotide into the deoxy derivative. In addition, DNA synthesis is further inhibited because Fluorouracil blocks the incorporation of the thymidine nucleotide into the DNA strand.
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Absorption
28-100%
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side effects and Toxicity
LD50=230mg/kg (orally in mice)
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Patient Information
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Organisms Affected
Humans and other mammals