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1H-Indene-1,3(2H)-dione, 2-(diphenylmethyl)-2-(phenylmethyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91158-89-3

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91158-89-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91158-89-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,5 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 91158-89:
(7*9)+(6*1)+(5*1)+(4*5)+(3*8)+(2*8)+(1*9)=143
143 % 10 = 3
So 91158-89-3 is a valid CAS Registry Number.

91158-89-3Relevant academic research and scientific papers

Synthesis of Tribenzotriquinacene and Some centro-Substituted Derivatives

Kuck, Dietmar,Lindenthal, Thomas,Schuster, Andreas

, p. 1449 - 1460 (2007/10/02)

The syntheses of tribenzotriquinacene (1a) and five centro-substituted derivatives, 1b-1e and 1g, as well as of the related diindan 13 are reported.The three-step synthetic sequences include the reduction of suitably substituted 2-benzhydryl-1,3-indandion

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