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98796-65-7

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98796-65-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98796-65-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,7,9 and 6 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 98796-65:
(7*9)+(6*8)+(5*7)+(4*9)+(3*6)+(2*6)+(1*5)=217
217 % 10 = 7
So 98796-65-7 is a valid CAS Registry Number.

98796-65-7Relevant articles and documents

Total synthesis of 2'-O-methyl-β-L-arabinosyluridine and reassignment the nucleoside from penicillium sp. as 2'-O-methyl-β-L-uridine

Shen, Chunyang,Ding, Haixin,Tao, Xueping,Yang, Ruchun,Bai, Jiang,Cao, Ban-Peng,Peng, Yi-Yuan,Xiao, Qiang

, p. 68 - 72 (2020/01/30)

In order to validate the structure of a rarely reported naturally occurring nucleoside isolated from the broth of Penicillium sp. (NO. 64), practical syntheses of 2′-O-methyl-β-L-arabinosyluridine, 2′-O-methyl-α-L-arabinosyluridine, and 2′-O-methyl-β-L-uridine were accomplished. Comparing their nuclear magnetic resonance (NMR) spectra and physical data, its structure was reassigned as 2′-O-methyl-β-L-uridine instead of former reported 2′-O-methyl-β-L-arabinosyluridine.

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