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endo-5-Diphenylmethyliden-1,7,9-triphenyl-11-oxatricyclo<5.3.1.0.2,6>undeca-3,8-dien-10-on is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89817-86-7

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89817-86-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89817-86-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,1 and 7 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 89817-86:
(7*8)+(6*9)+(5*8)+(4*1)+(3*7)+(2*8)+(1*6)=197
197 % 10 = 7
So 89817-86-7 is a valid CAS Registry Number.

89817-86-7Relevant academic research and scientific papers

Reaktionen von Fulvenen mit 1,3-dipolaren Verbindungen. IV. Umsetzung des 6,6-Diphenylfulvens mit 2,4,6-Triphenylpyrylium-3-olat

Friedrichsen, Willy,Seidel, Winfried,Debaerdemaeker, Tony

, p. 1621 - 1628 (2007/10/02)

6,6-Diphenylfulvene (6) reacts with 2,4,6-triphenylpyrylium-3-olate (7) to give three cycloadducts 8, 9, 10.Reduction of 8 with sodium borohydride yields a cage-like compound 12 whereas the action of the same reagent on 9 results in the format

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