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17950-84-4

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17950-84-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17950-84-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,9,5 and 0 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 17950-84:
(7*1)+(6*7)+(5*9)+(4*5)+(3*0)+(2*8)+(1*4)=134
134 % 10 = 4
So 17950-84-4 is a valid CAS Registry Number.

17950-84-4Upstream product

17950-84-4Downstream Products

17950-84-4Relevant articles and documents

METHOD FOR PRODUCING ARYLSILANE COMPOUND CONTAINING HALOSILANE COMPOUND AS RAW MATERIAL

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Paragraph 0059-0063, (2020/03/06)

PROBLEM TO BE SOLVED: To provide a method for producing an arylsilane compound with low production cost. SOLUTION: A method for producing an arylsilane compound includes a reaction step for the cross-coupling reaction of a halosilane compound represented by general formula (A-1), (A-2), or (A-3) and an arylboronic acid pinacol ester in the presence of a nickel catalyst, a Lewis acid catalyst, and an organic base (R independently represent an aromatic hydrocarbon group, a heteroaromatic ring group, or a C1-20 hydrocarbon group; X independently represent a halogeno group or a trifluoromethanesulfonyloxy group). SELECTED DRAWING: None COPYRIGHT: (C)2020,JPOandINPIT

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