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160682-43-9

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160682-43-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 160682-43-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,0,6,8 and 2 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 160682-43:
(8*1)+(7*6)+(6*0)+(5*6)+(4*8)+(3*2)+(2*4)+(1*3)=129
129 % 10 = 9
So 160682-43-9 is a valid CAS Registry Number.

160682-43-9Relevant articles and documents

The regiochemistry of carbenoid insertion into zirconacycles

Gordon, George J.,Luker, Tim,Tuckett, Mark W.,Whitby, Richard J.

, p. 2113 - 2129 (2007/10/03)

The regioselectivity of insertion of lithium chloroallylides (allyl carbenoids) into a wide variety of unsymmetrical zirconacycles has been determined. In all but one case a single regioisomer was obtained. A combination of steric and electronic effects is needed to explain the results and imply that the carbenoid is acting predominantly as an electrophilic species. The first carbenoid insertion into a zirconacyclopentadiene is noted. (C) 2000 Elsevier Science Ltd.

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