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1443997-83-8

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1443997-83-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1443997-83-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,3,9,9 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1443997-83:
(9*1)+(8*4)+(7*4)+(6*3)+(5*9)+(4*9)+(3*7)+(2*8)+(1*3)=208
208 % 10 = 8
So 1443997-83-8 is a valid CAS Registry Number.

1443997-83-8Downstream Products

1443997-83-8Relevant articles and documents

Structure-activity relationship of uridine-based nucleoside phosphoramidate prodrugs for inhibition of dengue virus RNA-dependent RNA polymerase

Wang, Gang,Lim, Siew Pheng,Chen, Yen-Liang,Hunziker, Jürg,Rao, Ranga,Gu, Feng,Seh, Cheah Chen,Ghafar, Nahdiyah Abdul,Xu, Haoying,Chan, Katherine,Lin, Xiaodong,Saunders, Oliver L.,Fenaux, Martijn,Zhong, Weidong,Shi, Pei-Yong,Yokokawa, Fumiaki

, p. 2324 - 2327 (2018/05/28)

To identify a potent and selective nucleoside inhibitor of dengue virus RNA-dependent RNA polymerase, a series of 2′- and/or 4′-ribose sugar modified uridine nucleoside phosphoramidate prodrugs and their corresponding triphosphates were synthesized and evaluated. Replacement of 2′-OH with 2′-F led to be a poor substrate for both dengue virus and human mitochondrial RNA polymerases. Instead of 2′-fluorination, the introduction of fluorine at the ribose 4′-position was found not to affect the inhibition of the dengue virus polymerase with a reduction in uptake by mitochondrial RNA polymerase. 2′-C-ethynyl-4′-F-uridine phosphoramidate prodrug displayed potent anti-dengue virus activity in the primary human peripheral blood mononuclear cell-based assay with no significant cytotoxicity in human hepatocellular liver carcinoma cell lines and no mitochondrial toxicity in the cell-based assay using human prostate cancer cell lines.

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