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263722-93-6

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263722-93-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 263722-93-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,3,7,2 and 2 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 263722-93:
(8*2)+(7*6)+(6*3)+(5*7)+(4*2)+(3*2)+(2*9)+(1*3)=146
146 % 10 = 6
So 263722-93-6 is a valid CAS Registry Number.

263722-93-6Downstream Products

263722-93-6Relevant articles and documents

5-Fluorouracil derivatives containing α-hydroxy phosphonates

Shi, De-Qing,Li, Xiao-Ju,Wei, Jia

, p. 405 - 412 (2007)

In order to find high acitivity and low toxicity antitumor drug-lead compounds, 13 novel N1-(2-furanidyl)-N3-(O,O- dialkylphosphonyl aryl (alkyl)methoxy-carbonylmethyl)-5-fluorouracils were synthesized via phase-transferred catalytic reactions of chloroacetyloxyalkyl phosphonates 2 with N1-(2-furanidyl)-5-fluorouracil. The structures of the products were confirmed by 1H NMR, 31P NMR, IR, and MS spectra and elemental analyses. The results of preliminary bioassay showed that the new compounds possess some extent of inhibitory effect against HCT-8 and Bel-7402 cell lines and good fungicidal activities. Copyright Taylor & Francis Group, LLC.

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