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220446-51-5

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220446-51-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220446-51-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,4,4 and 6 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 220446-51:
(8*2)+(7*2)+(6*0)+(5*4)+(4*4)+(3*6)+(2*5)+(1*1)=95
95 % 10 = 5
So 220446-51-5 is a valid CAS Registry Number.

220446-51-5Relevant articles and documents

Synthesis of pyrrole derivatives by palladium-catalyzed cyclization of γ,δ-unsaturated ketone o-pentafluorobenzoyloximes

Tsutsui, Hironori,Kitamura, Mitsuru,Narasaka, Koichi

, p. 1451 - 1460 (2007/10/03)

Various pyrrole derivatives are synthesized from γ,δ-unsaturated ketone O-pentafluorobenzoyloximes by treatment with catalytic amounts of Pd(PPh3)4 and triethylamine via alkylideneaminopalladium(II) intermediates generated by oxidative addition of the oximes to the Pd(0) complex.

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