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168640-24-2

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168640-24-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 168640-24-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,8,6,4 and 0 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 168640-24:
(8*1)+(7*6)+(6*8)+(5*6)+(4*4)+(3*0)+(2*2)+(1*4)=152
152 % 10 = 2
So 168640-24-2 is a valid CAS Registry Number.

168640-24-2Downstream Products

168640-24-2Relevant articles and documents

Reductive dehydroxy coupling of 2-(hydroxymethyl)indenes to prepare ethano-bridged bis(2-indenyl) ansa-titanocenes

Palandoken, Hasan,Wyatt, Justin K.,Hitchcock, Shawn R.,Olmstead, Marilyn M.,Nantz, Michael H.

, p. 338 - 347 (2007/10/03)

New examples of ansa-titanocenes derived from 1,2-bis(2-indenyl)ethane have been prepared. The titanium-mediated reductive coupling of 2-(hydroxymethyl)indenes provided a convenient method for substrate dimerization. Alkyl substitution of the indene ring at C(3) improved the regioselectivity of the reductive coupling to provide the ethylene bis(2-indenyl)ansa-ligands in 29-62% yield.

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