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200947-29-1

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200947-29-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 200947-29-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,9,4 and 7 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 200947-29:
(8*2)+(7*0)+(6*0)+(5*9)+(4*4)+(3*7)+(2*2)+(1*9)=111
111 % 10 = 1
So 200947-29-1 is a valid CAS Registry Number.

200947-29-1Downstream Products

200947-29-1Relevant academic research and scientific papers

Asymmetric Michael addition mediated by novel cinchona alkaloid-derived bifunctional catalysts containing sulfonamides

Luo, Jie,Xu, Li-Wen,Hay, Robyn Aik Siew,Lu, Yixin

, p. 437 - 440 (2009)

(Chemical Equation Presented) Novel cinchona alkaloid-derived bifunctional organocatalysts containing sulfonamide groups were utilized to promote Michael addition of bicyclic α-substituted β-ketoesters to nitroolefins. The desired Michael adducts with all

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