Cas 1191940-80-3,C18H18ClFN2O3

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Check Digit Verification of cas no

The CAS Registry Mumber 1191940-80-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,1,9,4 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1191940-80:
(9*1)+(8*1)+(7*9)+(6*1)+(5*9)+(4*4)+(3*0)+(2*8)+(1*0)=163
163 % 10 = 3
So 1191940-80-3 is a valid CAS Registry Number.

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1191940-80-3Relevant academic research and scientific papers

Tandem asymmetric aza-Darzens/ring-opening reactions: Dual functionality from the silane Lewis acid

Valdez, S. Corey,Leighton, James L.

supporting information; experimental part, p. 14638 - 14639 (2010/01/06)

(Chemical Equation Presented) The addition of a stabilized sulfur ylide (generated by the rhodium-catalyzed reaction of Ph2S with ethyl diazoacetate) to N-acylhydrazones promoted by a chiral silane Lewis acid leads to the highly diastereo- and

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