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219581-98-3

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219581-98-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219581-98-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,5,8 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 219581-98:
(8*2)+(7*1)+(6*9)+(5*5)+(4*8)+(3*1)+(2*9)+(1*8)=163
163 % 10 = 3
So 219581-98-3 is a valid CAS Registry Number.

219581-98-3Relevant articles and documents

Asymmetric synthesis of 3-phenyl-2,3-methanophenylalanine developed by panning catalysts in a library format

Moye-Sherman, Destardi,Welch, Mike B.,Reibenspies, Joe,Burgess, Kevin

, p. 2377 - 2378 (1998)

Optimal catalysts for the key cyclopropanation step in a synthesis of the title compound were identified by screening libraries of metal complex-ligand combinations; the synthesis was completed, and a derivative of the final product was crystallized to es

Novel dirhodium tetraprolinate catalysts containing bridging prolinate ligands for asymmetric carbenoid reactions

Davies, Huw M.L.,Panaro, Stephen A.

, p. 5287 - 5290 (2007/10/03)

The D2-symmetric dirhodium prolinate complex 3 is an effective catalyst for asymmetric vinylcarbenoid and phenylcarbenoid cyclopropanations.

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