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1596355-38-2

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1596355-38-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1596355-38-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,9,6,3,5 and 5 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1596355-38:
(9*1)+(8*5)+(7*9)+(6*6)+(5*3)+(4*5)+(3*5)+(2*3)+(1*8)=212
212 % 10 = 2
So 1596355-38-2 is a valid CAS Registry Number.

1596355-38-2Downstream Products

1596355-38-2Relevant articles and documents

Efficient asymmetric Michael reaction of 2-oxindole-3-carboxylate esters with maleimides catalyzed by cinchonidine

Zhou, Jing,Jia, Li-Na,Peng, Lin,Wang, Qi-Lin,Tian, Fang,Xu, Xiao-Ying,Wang, Li-Xin

, p. 3478 - 3484 (2014/05/06)

A highly efficient enantioselective Michael reaction of 2-oxindole-3-carboxylate esters with N-maleimides catalyzed by commercially available cinchonidine was described. The desired adducts, containing a quaternary center at the C3-position and a vicinal tertiary center, were obtained in excellent yields (up to 99%), good enantioselectivities (up to 85% ee), and diastereoselectivities (dr>90:10) in the presence of 0.05-5 mol % catalyst loading.

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