Cas 81068-40-8,C43H36O5

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Check Digit Verification of cas no

The CAS Registry Mumber 81068-40-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,6 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81068-40:
(7*8)+(6*1)+(5*0)+(4*6)+(3*8)+(2*4)+(1*0)=118
118 % 10 = 8
So 81068-40-8 is a valid CAS Registry Number.

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81068-40-8Relevant academic research and scientific papers

REACTIONS OF CYCLO-OCTATETRARENE AND ITS DERIVATES - X 1,2,3,8-TETRAPHENYLCYCLO-OCTATETRANE AND 2,3,4,5-TETRAPHENYLCYCLO-OCTA-1,3,5-TRIENE

Fray, Gordon I.,Gale, David P.,Geen, Graham R.

, p. 3101 - 3106 (2007/10/02)

The reaction of tetracyclone 1b with the cyclo-octatetraenedimethyl acetylenedicarboxylate adduct 2 at ca. 110 deg C produces, in addition to the exo ? cycloadduct 3b (49percent), 1,2,3,8-tetraphenylcyclo-octatraene 5 (11percent), together with the d

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