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exo-1,6,7,8-tetraphenyltricyclo<4.2.1.02,5>nona-3,7-dien-9-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

73240-51-4

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73240-51-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73240-51-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,2,4 and 0 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 73240-51:
(7*7)+(6*3)+(5*2)+(4*4)+(3*0)+(2*5)+(1*1)=104
104 % 10 = 4
So 73240-51-4 is a valid CAS Registry Number.

73240-51-4Upstream product

73240-51-4Relevant 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 (1981)

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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