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2,4,6,8-tetraphenyl-2,4,6,8-tetravinyl-cyclotetrasiloxane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

18884-75-8

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18884-75-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18884-75-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,8,8 and 4 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 18884-75:
(7*1)+(6*8)+(5*8)+(4*8)+(3*4)+(2*7)+(1*5)=158
158 % 10 = 8
So 18884-75-8 is a valid CAS Registry Number.

18884-75-8Upstream product

18884-75-8Downstream Products

18884-75-8Relevant academic research and scientific papers

Synthesis of tri- and tetracyclosiloxanes with functional groups attached to the silicon atoms

Zhdanov,Andrianov,Malykhin,Emel'yanov

, p. 2241 - 2244 (2007/10/16)

1. The hydrolytic condensation of phenylvinyldichlorosilane fails to yield phenylvinylcyclosiloxanes, and instead 1,3-dihydroxy-1,3-diphenyldivinyldisiloxane is formed. 2. A study was made of the heterofunctional condensation of 1,3-dihydroxy-1,3-diphenyldivinyldisiloxane with phenylvinyldichlorosilane and 1,3-dichloro-1,3-diphenyldivinyldisiloxane, and it was shown that trivinyltriphenylcyclotrisiloxane and tetravinyltetraphenylcyclotetrasiloxane can be synthesized by the given method. 3. The side process of benzene cleavage occurs during the hydrolytic condensation of phenyldichlorosilane. Tetraphenylcyclotetrasiloxane can be obtained by the hydrolytic condensation of 1,3-dichloro-1,3diphenyldisiloxane.

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