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273401-74-4

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273401-74-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 273401-74-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,3,4,0 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 273401-74:
(8*2)+(7*7)+(6*3)+(5*4)+(4*0)+(3*1)+(2*7)+(1*4)=124
124 % 10 = 4
So 273401-74-4 is a valid CAS Registry Number.

273401-74-4Downstream Products

273401-74-4Relevant articles and documents

Aminosulf(ox)ides as Ligands for Iridium(I)-Catalyzed Asymmetric Transfer Hydrogenation

Petra, Danielle G. I.,Kamer, Paul C. J.,Spek, Anthony L.,Schoemaker, Hans E.,Van Leeuwen, Piet W. N. M.

, p. 3010 - 3017 (2000)

A new class of efficient catalysts was developed for the asymmetric transfer hydrogenation of unsymmetrical ketones. A series of chiral N,S-chelates (6-22) was synthesized to serve as ligands in the iridium(I)-catalyzed reduction of ketones. Both formic a

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