Cas 1221972-08-2,(2E)-7-{[(4-methylphenyl)sulfonyl]amino}-1-phenylhept-2-en-1-yl acetate

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Check Digit Verification of cas no

The CAS Registry Mumber 1221972-08-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,1,9,7 and 2 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1221972-08:
(9*1)+(8*2)+(7*2)+(6*1)+(5*9)+(4*7)+(3*2)+(2*0)+(1*8)=132
132 % 10 = 2
So 1221972-08-2 is a valid CAS Registry Number.

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1221972-08-2Relevant academic research and scientific papers

FeCl3-catalyzed highly diastereoselective synthesis of substituted piperidines and tetrahydropyrans

Guerinot, Amandine,Serra-Muns, Anna,Gnamm, Christian,Bensoussan, Charlelie,Reymond, Sebastien,Cossy, Janine

supporting information; experimental part, p. 1808 - 1811 (2010/10/03)

The eco-friendly and highly diastereoselective synthesis of substituted cis-2,6-piperidines and cis-2,6-tetrahydropyrans is described. The key step of this method is the iron-catalyzed thermodynamic equilibration of 2-alkenyl 6-substituted piperidines and 2-alkenyl 6-substituted tetrahydropyrans allowing the isolation of enriched mixtures of the most stable cis-isomers.

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