Cas 1449222-72-3,dimethyl (3R,4R)-(3-methyl-2-oxo-3,4-diphenyl-3,4-dihydro-2H-pyran-6-yl)phosphonate

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Check Digit Verification of cas no

The CAS Registry Mumber 1449222-72-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,9,2,2 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1449222-72:
(9*1)+(8*4)+(7*4)+(6*9)+(5*2)+(4*2)+(3*2)+(2*7)+(1*2)=163
163 % 10 = 3
So 1449222-72-3 is a valid CAS Registry Number.

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1449222-72-3Relevant academic research and scientific papers

Enantioselective NHC-catalysed formal [4+2] cycloaddition of alkylaryl-ketenes with β,γ-unsaturated α-ketophosphonates

Leckie, Stuart M.,Fallan, Charlene,Taylor, James E.,Brown, T. Bruce,Pryde, David,Lébl, Tomá?,Slawin, Alexandra M. Z.,Smith, Andrew D.

, p. 1243 - 1249 (2013)

NHC-mediated enantioselective formal [4+2] cycloadditions of alkylarylketenes with γ-substituted-β,γ-unsaturated α-ketophosphonates is described. A substrate-dependent switch in diastereoselectivity was observed, with γ-aryl α-ketophosphonates providing p

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1449222-72-3

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