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719283-07-5

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719283-07-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 719283-07-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,1,9,2,8 and 3 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 719283-07:
(8*7)+(7*1)+(6*9)+(5*2)+(4*8)+(3*3)+(2*0)+(1*7)=175
175 % 10 = 5
So 719283-07-5 is a valid CAS Registry Number.

719283-07-5Relevant articles and documents

Copper(I) tert-butoxide-promoted allylation of β-triphenylsilyl allylic alcohols via 1,3 Csp2-to-o silyl migration

Tsubouchi, Akira,Itoh, Miki,Onishi, Kotaro,Takeda, Takeshi

, p. 1504 - 1508 (2007/10/03)

The substitution of the silyl group in vinylsilanes by an allylic group proceeded when β-triphenylsilylallyl alcohols were treated with copper(I) tert-butoxide and allylic halides. This reaction is the first synthetic application of 1,3 Csp2-to-O silyl migration which provides a useful method for generation of vinyl anion equivalents.

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