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243640-25-7

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243640-25-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 243640-25-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,3,6,4 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 243640-25:
(8*2)+(7*4)+(6*3)+(5*6)+(4*4)+(3*0)+(2*2)+(1*5)=117
117 % 10 = 7
So 243640-25-7 is a valid CAS Registry Number.

243640-25-7Downstream Products

243640-25-7Relevant articles and documents

Highly enantioselective hydrogenation and transfer hydrogenation of cycloalkyl and heterocyclic ketones catalysed by an iridium complex of a tridentate phosphine-diamine ligand

Fuentes, Jose A.,Carpenter, Ian,Kann, Nina,Clarke, Matthew L.

, p. 10245 - 10247 (2013/10/22)

Ir complexes of chiral phosphine-diamine ligands catalyse the hydrogenation and transfer hydrogenation of aryl-piperidin-4-yl methanones, and ketones bearing both an aryl group and secondary alkyl substituent with up to 98% e.e., and with substrate to catalyst ratios of up to 4000.

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