Cas 902153-59-7,Pyrrolidine, 2-ethynyl-2-(4-methoxyphenyl)-1-(2-propenyl)-

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Check Digit Verification of cas no

The CAS Registry Mumber 902153-59-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,2,1,5 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 902153-59:
(8*9)+(7*0)+(6*2)+(5*1)+(4*5)+(3*3)+(2*5)+(1*9)=137
137 % 10 = 7
So 902153-59-7 is a valid CAS Registry Number.

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902153-59-7Relevant academic research and scientific papers

Sequential addition reaction of lithium acetylides and Grignard reagents to thioiminium salts from thiolactams leading to 2,2-disubstituted cyclic amines

Murai, Toshiaki,Toshio, Rie,Mutoh, Yuichiro

, p. 6312 - 6320 (2007/10/03)

The reaction of thioiminium salts derived from γ- and δ-thiolactams with lithium acetylides and Grignard reagents proceeded sequentially to give 2,2-disubstituted pyrrolidines and piperidines in moderate to high yields. In the initial step of the reaction

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