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1,2,3,4,5-pentaphenyl-7,7-dimethyl-7-silanorbornadiene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

18821-72-2

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18821-72-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18821-72-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,8,2 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 18821-72:
(7*1)+(6*8)+(5*8)+(4*2)+(3*1)+(2*7)+(1*2)=122
122 % 10 = 2
So 18821-72-2 is a valid CAS Registry Number.

18821-72-2Downstream Products

18821-72-2Relevant academic research and scientific papers

OBSERVATIONS AND COMMENTS ON THE THERMAL BEHAVIOR OF 7-SILANORBORNADIENES

Barton, Thomas J.,Goure, William F.,Witiak, Joanne L.,Wulff, William D.

, p. 87 - 106 (1982)

Evidence for a radical mechanism in the termal decomposition of a 7-silanorbornadiene is presented.It is demonstrated that 2-carboxy-7-silanorbornadienes undergo a formal 1,5-migration of silicon to form O-silyl enol ethers.An earlier suggested rearrangement of a 7-silanorbornadiene to a silepin or silanorcardiene is excluded.A recent report of thermal and photochemical epimerization of 7-silanorbornadienes is shown to be incorrect.

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