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exo-1,6,7,8-tetraphenyltricyclo<4.2.1.0> nonan-9-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

71571-22-7

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71571-22-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71571-22-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,5,7 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 71571-22:
(7*7)+(6*1)+(5*5)+(4*7)+(3*1)+(2*2)+(1*2)=117
117 % 10 = 7
So 71571-22-7 is a valid CAS Registry Number.

71571-22-7Relevant 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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