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143924-21-4

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143924-21-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143924-21-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,9,2 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 143924-21:
(8*1)+(7*4)+(6*3)+(5*9)+(4*2)+(3*4)+(2*2)+(1*1)=124
124 % 10 = 4
So 143924-21-4 is a valid CAS Registry Number.

143924-21-4Downstream Products

143924-21-4Relevant articles and documents

Synthesis of 20-Deethylsilicine from a Second-Generation 2-Cyano-Δ3-piperidine Synthon

Grierson, David S.,Bettiol, Jean-Luc,Buck, Ildiko,Husson, Henri-Philippe,Rubiralta, Mario,Diez, Anna

, p. 6414 - 6421 (2007/10/02)

The Zn(2+) ion mediated reaction of the 2-cyano-Δ3-piperidine 9a (X = SO2C6H5) with the silyl enol ether of Na-methyl-2-acetylindole (24) led to the formation of compounds 29a,b (70percent) resulting from introduction of the acetylindole moiety

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