Camptothecin cas no.: 7689-03-4specification: 98%, 99%ingredient:camptotehcintest method: hplcappearance: brown crystalline powder; easy to loss activity under light. Botanical source: camptotheca acuminata decnes fruit and leafmolecular formula: c20h16n2o4molecular weight: 348.36 action and uses:camptothecin affects the activity of the enzyme topoisomerase i, whose normal action is to cleave, unwind, and religate dna. When camptothecin binds to topoisomerase i, it will be able to cleave but not to religate dna. Thereby, camptothecin causes single strand breaks in dnacamptothecin is a plant secondary metabolite used as an anti-cancer drug that damages dna, leading to the destruction of the cell.it comes from camptotheca acuminata, a deciduous tree found in southern china. A close analogue, 9-methoxycamptothecin, is also present in the same source. package: 25 kg/ fiberboard drum, inner with plastic bag. Storage: store in cool & dry area, keep away from the direct light and heat. Shelf life: two years if properly stored
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Lily Wu (Xiao Yuan Biotechnology Co.,Ltd)
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