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1242046-45-2

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1242046-45-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1242046-45-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,2,0,4 and 6 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1242046-45:
(9*1)+(8*2)+(7*4)+(6*2)+(5*0)+(4*4)+(3*6)+(2*4)+(1*5)=112
112 % 10 = 2
So 1242046-45-2 is a valid CAS Registry Number.

1242046-45-2Downstream Products

1242046-45-2Relevant academic research and scientific papers

Highly enantioselective Michael addition reactions of 3-substituted benzofuran-2(3H)-ones to chalcones catalyzed by a chiral alkyl-substituted thiourea

Li, Xin,Xi, Zhiguo,Luo, Sanzhong,Cheng, Jin-Pei

supporting information; experimental part, p. 1097 - 1101 (2010/06/20)

A highly enantioselective Michael addition of 3-substituted benzofuran-2(3H)-ones to chalcones catalyzed by a chiral bifunctional thiourea was developed. Several chiral 3,3′-substituted benzofuran-2(3H)-ones derivatives, bearing adjacent quaternary-tertiary stereocenters, were efficiently synthesized with excellent enantioselectivities.

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