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1383003-83-5

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1383003-83-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1383003-83-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,3,0,0 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1383003-83:
(9*1)+(8*3)+(7*8)+(6*3)+(5*0)+(4*0)+(3*3)+(2*8)+(1*3)=135
135 % 10 = 5
So 1383003-83-5 is a valid CAS Registry Number.

1383003-83-5Downstream Products

1383003-83-5Relevant articles and documents

Ag(I)-Catalyzed Kinetic Resolution of Cyclopentene-1,3-diones

Liu, Hua-Chao,Wei, Liang,Huang, Rong,Tao, Hai-Yan,Cong, Hengjiang,Wang, Chun-Jiang

, p. 3482 - 3486 (2018/06/26)

An efficient kinetic resolution of readily available racemic cyclopentene-1,3-diones has been developed via a Ag(I)-catalyzed asymmetric 1,3-dipolar cycloaddition of azomethine ylides. This methodology shows good functional-group tolerance, delivering an array of synthetically valuable cyclopentene-1,3-diones with excellent stereoselectivity and generally high resolution efficiency (s = 48-226) accompanied by the biologically important fused pyrrolidine derivatives. Notably, this strategy allows facile access to the key intermediates for the synthesis of (+)-madindolines A and B.

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