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1033363-24-4

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1033363-24-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1033363-24-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,3,3,6 and 3 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1033363-24:
(9*1)+(8*0)+(7*3)+(6*3)+(5*3)+(4*6)+(3*3)+(2*2)+(1*4)=104
104 % 10 = 4
So 1033363-24-4 is a valid CAS Registry Number.

1033363-24-4Downstream Products

1033363-24-4Relevant articles and documents

Organocatalytic asymmetric tandem Michael-Henry reactions: A highly stereoselective synthesis of multifunctionalized cyclohexanes with two quaternary stereocenters

Tan, Bin,Chua, Pei Juan,Li, Yongxin,Zhong, Guofu

, p. 2437 - 2440 (2008)

(Chemical Equation Presented) A novel organocatalytic asymmetric tandem Michael-Henry reaction catalyzed by 9-amino-9-deoxyepiquinine (VI) has been developed. The reaction was efficiently catalyzed by catalyst VI to give highly functionalized cyclohexanes with four stereogenic carbons including two quaternary stereocenters in excellent enantioselectivities (97 to >99% ee) and high diastereoselectivities (93:7-99:1 dr). Thus, the first organocatalytic asymmetric Henry reaction of common ketones as acceptors is shown.

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