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302778-42-3

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302778-42-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 302778-42-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,2,7,7 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 302778-42:
(8*3)+(7*0)+(6*2)+(5*7)+(4*7)+(3*8)+(2*4)+(1*2)=133
133 % 10 = 3
So 302778-42-3 is a valid CAS Registry Number.

302778-42-3Relevant articles and documents

Novel phosphonium chloride-catalyzed dehydrohalogenative Si-C coupling reaction of alkyl halides with trichlorosilane [5]

Yeon Seok Cho,Kang,Joon Soo Han,Bok Ryul Yoo,Il Nam Jung

, p. 5584 - 5585 (2001)

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Process for preparing organochlorosilanes by dehydrohalogenative coupling reaction of alkyl halides with chlorosilanes

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, (2008/06/13)

The present invention relates to a process for preparing organochlorosilanes and more particularly, to the process for preparing organochlorosilanes of R4R3CHSiR1Cl2(I) by a dehydrohalogenative coupling of hydrochlorosilanes of HSiR1Cl2(II) with organic halides of R2R3CHX (III) in the presence of quaternary phosphonium salt as a catalyst to provide better economical matter and yield compared with conventional methods, because only a catalytic amount of phosphonium chloride is required and the catalyst can be separated from the reaction mixture and recycled easily.

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