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1137150-74-3

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1137150-74-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1137150-74-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,7,1,5 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1137150-74:
(9*1)+(8*1)+(7*3)+(6*7)+(5*1)+(4*5)+(3*0)+(2*7)+(1*4)=123
123 % 10 = 3
So 1137150-74-3 is a valid CAS Registry Number.

1137150-74-3Relevant articles and documents

Synthesis of optically active monoacid side-chains of Cephalotaxus alkaloids

Berhal, Farouk,Tardy, Sebastien,Perard-Viret, Joelle,Royer, Jacques

experimental part, p. 437 - 443 (2009/06/18)

The general preparation of enantiopure monoacid side-chains of several esters of cephalotaxine is described. The strategy, similar to Weinreb's approach to the synthesis of deoxyharringtonine, used as key intermediate the chiral nonracemic epoxide 11a pre

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