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280743-82-0

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280743-82-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 280743-82-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,0,7,4 and 3 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 280743-82:
(8*2)+(7*8)+(6*0)+(5*7)+(4*4)+(3*3)+(2*8)+(1*2)=150
150 % 10 = 0
So 280743-82-0 is a valid CAS Registry Number.

280743-82-0Relevant articles and documents

Bite angle effect of bidentate P-N ligands in palladium catalysed allylic alkylationf

Van Haaren, Richard J.,Druijven, Cees J. M.,Van Strijdonck, Gino P. F.,Oevering, Henk,Reek, Joost N. H.,Kamer, Paul C. J.,Van Leeuwen, Piet W. N. M.

, p. 1549 - 1554 (2007/10/03)

Two series of new bidentate P-N ligands have been synthesized. Application of these ligands in the palladium catalysed allylic alkylation of crotyl chloride and cinnamyl chloride leads to the preferential formation of the branched product. A larger bite angle of the ligand leads to higher regioselectivity. Stoichiometric alkylation of the complex [Pd(C4H7){p-MeOC6H4C=N(CH 2)4OPPh2}][O3SCF3] proceeds with 88% regioselectivity to the branched product. The Royal Society of Chemistry 2000.

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