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1021867-76-4

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1021867-76-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1021867-76-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,1,8,6 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1021867-76:
(9*1)+(8*0)+(7*2)+(6*1)+(5*8)+(4*6)+(3*7)+(2*7)+(1*6)=134
134 % 10 = 4
So 1021867-76-4 is a valid CAS Registry Number.

1021867-76-4Relevant articles and documents

Epi-cinchona based thiourea organocatalyst family as an efficient asymmetric Michael addition promoter: Enantioselective conjugate addition of nitroalkanes to chalcones and α,β-unsaturated N-acylpyrroles

Vakulya, Benedek,Varga, Szilard,Soos, Tibor

, p. 3475 - 3480 (2008/09/20)

(Chemical Equation Presented) A small set of easily available epi-cinchona based thiourea organocatalysts have been synthesized and tested in enantioselective Michael addition of nitroalkanes to chalcones. These bifunctional catalyst systems promoted the

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