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1262149-18-7

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1262149-18-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1262149-18-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,2,1,4 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1262149-18:
(9*1)+(8*2)+(7*6)+(6*2)+(5*1)+(4*4)+(3*9)+(2*1)+(1*8)=137
137 % 10 = 7
So 1262149-18-7 is a valid CAS Registry Number.

1262149-18-7Relevant articles and documents

Silver(I)-catalyzed reaction between pyrazole and propargyl acetates: Stereoselective synthesis of the scorpionate ligands (E)-allyl-gem-dipyrazoles (ADPs)

Bhanuchandra,Kuram, Malleswara Rao,Sahoo, Akhila K.

, p. 11824 - 11834 (2014/01/06)

The reaction between readily accessible pyrazole and propargyl acetates in the presence of Ag(I) catalyst yielded a new class of (E)-allyl-gem-dipyrazole scorpionate ligands: 1-aryl-2-N-pyrazolyl allyl acetates and 1,3-dipyrazolyl-3-arylpropene. The reaction showed broad substrate scope, and various functional and protecting groups were tolerated under the reaction conditions. The palladium(II) scorpionate complex could thus be easily prepared and successfully employed in Suzuki-Miyaura cross-couplings in water.

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