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1-chloro-2,3,4,5-tetraphenyl-1-sila-2,4-cyclopentadiene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

19923-42-3

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19923-42-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19923-42-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,2 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 19923-42:
(7*1)+(6*9)+(5*9)+(4*2)+(3*3)+(2*4)+(1*2)=133
133 % 10 = 3
So 19923-42-3 is a valid CAS Registry Number.

19923-42-3Upstream product

19923-42-3Relevant academic research and scientific papers

Functional group transformations and stereochemistry of silicon-functionalized 7-silabenzonorbornadienes

Kawachi, Atsushi,Okimoto, Masahiro,Yamamoto, Yohsuke

, p. 960 - 961 (2005)

Functional group transformations of 7-silabenzonorbornadiene derivatives have been investigated. The 7-mesityl-7-silanorbornadiene 1 was prepared and converted into the 7-chloro derivative 5. Reductive lithiation of 5 with lithium naphthalenide afforded t

Synthesis of silicon-functionalized 7-silanorbornadienes and their thermolysis and photolysis

Okimoto, Masahiro,Kawachi, Atsushi,Yamamoto, Yohsuke

scheme or table, p. 1419 - 1426 (2009/10/01)

A series of 7-silanorbornadienes were prepared and characterized by X-ray crystallographic analysis. 2,3-Benzo-7-mesityl-1,4,5,6-tetraphenyl-7-silanorbornadiene (1a) was prepared by the [4+2] cycloaddition reaction of 1-mesityl-2,3,4,5-tetraphenyl-1-sila-

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