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939387-21-0

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939387-21-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 939387-21-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,9,3,8 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 939387-21:
(8*9)+(7*3)+(6*9)+(5*3)+(4*8)+(3*7)+(2*2)+(1*1)=220
220 % 10 = 0
So 939387-21-0 is a valid CAS Registry Number.

939387-21-0Relevant articles and documents

Organocatalytic asymmetric 1,6-additions of β-ketoesters and glycine imine

Bernardi, Luca,Lopez-Cantarero, Jesus,Niess, Barbara,Jorgensen, Karl Anker

, p. 5772 - 5778 (2007)

The first organocatalytic enantioselective 1,6-addition of β-ketoesters and benzophenone imine to electron-poor δ-unsubstituted dienes using cinchona alkaloids under phase-transfer conditions is demonstrated. The scope of the reaction for the β-ketoesters

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