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134040-27-0

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134040-27-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134040-27-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,0,4 and 0 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 134040-27:
(8*1)+(7*3)+(6*4)+(5*0)+(4*4)+(3*0)+(2*2)+(1*7)=80
80 % 10 = 0
So 134040-27-0 is a valid CAS Registry Number.

134040-27-0Relevant articles and documents

Enantioselective Formal Synthesis of the Cytotoxic Topoisomerase II Inhibitor Deoxythysanone, Catalyzed by Chiral Spiroborate Ester

Chopade, A. U.,Chopade, M. U.,Nikalje, M. D.,Patil, H. S.

, p. 693 - 697 (2020/06/01)

Abstract: Bioactive pyranonaphthoquinone analogs, (1R,3S)-deoxythysanone,(1R,3S)-thysanone, and (1R,3S)-demethoxythysanone can be efficientlysynthesized from a common intermediate product, (S)-3-methyl-3,4-dihydro-1H-isochromene-5,8-dione. We have develop

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