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872682-21-8

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872682-21-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 872682-21-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,6,8 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 872682-21:
(8*8)+(7*7)+(6*2)+(5*6)+(4*8)+(3*2)+(2*2)+(1*1)=198
198 % 10 = 8
So 872682-21-8 is a valid CAS Registry Number.

872682-21-8Downstream Products

872682-21-8Relevant articles and documents

Halobenzenes and Ir(I): Kinetic C-H oxidative addition and thermodynamic C-Hal oxidative addition

Fan, Lei,Parkin, Sean,Ozerov, Oleg V.

, p. 16772 - 16773 (2005)

A (PNP)Ir fragment undergoes facile, room-temperature oxidative addition of C-H bonds in arenes and haloarenes in preference to aromatic carbon-halogen bonds. This preference, however, is determined to be kinetic in nature. Oxidative addition of C-Cl and C-Br is preferred thermodynamically. The products of the C-Cl or C-Br oxidative addition are separated from the C-H oxidative addition products by a high activation barrier and are only accessible at >100 °C. Of the C-H oxidative addition products of chlorobenzene, the isomer with the o-ClC6H4 ligand has the lowest energy. Copyright

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