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112949-12-9

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112949-12-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 112949-12-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,2,9,4 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 112949-12:
(8*1)+(7*1)+(6*2)+(5*9)+(4*4)+(3*9)+(2*1)+(1*2)=119
119 % 10 = 9
So 112949-12-9 is a valid CAS Registry Number.

112949-12-9Downstream Products

112949-12-9Relevant articles and documents

Cu(I)-catalyzed α-alkylation of ketones with styrene derivatives

Majima, Shohei,Shimizu, Yohei,Kanai, Motomu

, p. 4381 - 4384 (2012)

α-Alkylation of ketones with styrene derivatives was developed using a mesitylcopper-dppp complex as a soft Bronsted base catalyst. No waste derived from the alkylating reagent was produced in this catalytic alkylation reaction. The bisphosphine ligand structure, as well as the reaction solvent, had profound effects on catalyst activity. The reaction proceeded under mild conditions from a range of ketones and styrene derivatives. The present catalysis is especially useful for the selective mono-alkylation of ketones.

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