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222839-16-9

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222839-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 222839-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,8,3 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 222839-16:
(8*2)+(7*2)+(6*2)+(5*8)+(4*3)+(3*9)+(2*1)+(1*6)=129
129 % 10 = 9
So 222839-16-9 is a valid CAS Registry Number.

222839-16-9Relevant articles and documents

Synthesis of new atropisomeric bisphosphine ligands bearing chiral phospholane and their use in asymmetric hydrogenation

Fujie, Naoto,Matsui, Manko,Achiwa, Kazuo

, p. 436 - 439 (1999)

Novel chiral bisphosphine ligands bearing (2S,5S)-dimethylphospholano group on a chiral biphenyl back-bone were designed and prepared. Asymmetric hydrogenations of a ketone and an olefin with the rhodium(I) complex catalysts prepared in situ from [Rh(COD)

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