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412050-20-5

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412050-20-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 412050-20-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,1,2,0,5 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 412050-20:
(8*4)+(7*1)+(6*2)+(5*0)+(4*5)+(3*0)+(2*2)+(1*0)=75
75 % 10 = 5
So 412050-20-5 is a valid CAS Registry Number.

412050-20-5Relevant articles and documents

New chiral phosphine-phosphites: A convenient synthesis based on the demethylation of o-anisyl phosphines and application in highly enantioselective catalytic hydrogenations

Suarez, Andres,Pizzano, Antonio

, p. 2501 - 2504 (2007/10/03)

An easy demethylation of o-anisyl phosphines provides a convenient access to a series of new chiral phosphine-phosphites. The screening of these derivatives as ligands in rhodium-catalyzed asymmetric hydrogenation of dimethyl itaconate has shown a profoun

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