Cas 1148626-40-7,2,3,5-triphenyl-1-vinyl-1H-pyrrole

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Check Digit Verification of cas no

The CAS Registry Mumber 1148626-40-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,8,6,2 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1148626-40:
(9*1)+(8*1)+(7*4)+(6*8)+(5*6)+(4*2)+(3*6)+(2*4)+(1*0)=157
157 % 10 = 7
So 1148626-40-7 is a valid CAS Registry Number.

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1148626-40-7Relevant academic research and scientific papers

Synthesis and polymerization of sterically hindered 2,5-diphenyl- and 2,3,5-triphenyl-1-vinylpyrroles

Petrova,Markova,Sobenina,Morozova,Mikhaleva,Hyun,Trofimov

experimental part, p. 115 - 118 (2010/06/12)

Sterically hindered 2,5-diphenyl-and 2,3,5-triphenyl-1-vinylpyrroles have been obtained by the vinylation of the corresponding NH-pyrroles with acetylene in superbasic catalytic system KOH-DMSO in up to 78% yield. 2,3,5-Triphenyl-1- vinylpyrrole has also

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