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4H-cyclopentaphenanthrene-8,9-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

27018-91-3

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27018-91-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27018-91-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,0,1 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 27018-91:
(7*2)+(6*7)+(5*0)+(4*1)+(3*8)+(2*9)+(1*1)=103
103 % 10 = 3
So 27018-91-3 is a valid CAS Registry Number.

27018-91-3Relevant academic research and scientific papers

Some Reactions on 4H-Cyclopentaphenanthrene-8,9-dione

Yoshida, Masaaki,Kadokura, Atsushi,Minabe, Masahiro,Suzuki, Kazuo

, p. 1179 - 1180 (1980)

The oxidation of 8,9-dihydro-4H-cyclopentaphenanthrene gave the 4-ketone by treatment with Triton B-oxygen, and afforded 8,9-diketone by the action of chromium (III) salt.The reduction of the quinone yielded the corresponding meso- and dl-diols.

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