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500220-30-4

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500220-30-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 500220-30-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,2,2 and 0 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 500220-30:
(8*5)+(7*0)+(6*0)+(5*2)+(4*2)+(3*0)+(2*3)+(1*0)=64
64 % 10 = 4
So 500220-30-4 is a valid CAS Registry Number.

500220-30-4Relevant articles and documents

Total synthesis of gem-difluoromethylenated analogues of pironetin

Lin, Jing,Qing, Feng-Ling,Yue, Xuyi,Huang, Peng,Cui, Daxiang

experimental part, p. 267 - 275 (2010/04/02)

The straightforward synthesis of four gem-difluoromethylenated analogues of pironetin is described. Our synthesis features the efficient construction of the key intermediates through the indium--mediated gem-difluoropropargylation of aldehydes with the fl

Total synthesis of (-)-pironetin

Dias, Luiz C.,De Oliveira, Luciana G.,De Sousa, Marcio A.

, p. 265 - 268 (2007/10/03)

(Matrix presented) The asymmetric total synthesis of pironetin, a compound that shows plant growth regulatory activity, immunosuppressive as well as a remarkable antitumoral activity, is described. The approach involves the use of three very efficient Eva

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