Cas 121829-59-2,(1S,4S,5R,6R,7S)-6,7-Dichloro-4-p-tolyl-2,3-diaza-bicyclo[3.2.0]hept-2-ene

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Check Digit Verification of cas no

The CAS Registry Mumber 121829-59-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,8,2 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 121829-59:
(8*1)+(7*2)+(6*1)+(5*8)+(4*2)+(3*9)+(2*5)+(1*9)=122
122 % 10 = 2
So 121829-59-2 is a valid CAS Registry Number.

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121829-59-2Relevant academic research and scientific papers

SYN-ANTI SELECTIVITY OF CIS-3,4-DISUBSTITUTED CYCLOBUTENES Part 2: New Cycloadditions with Dichlorocyclobutene and an Interpretation in Terms of Vicinal Interactions in Transitions Structures

Landen, Harald,Margraf, Birgit,Martin, Hans-Dieter

, p. 6593 - 6596 (1988)

Cycloaddition reactions of diazoalkanes, with R = H and R' = H, alkyl, aryl or alkoxycarbonil, yield syn-adducts with dichlorocyclobutene.Diphenylnitrilimine, however, mainly undergoes anti-additions.Two phenomena not described as yet will be discussed for the interpretation: the influence of substituents in 3,4-position on the out-of-plane distortions of the olefinic hydrogen atoms and vicinal torsional interactions in model transition structures.

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121829-59-2

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