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1421692-00-3

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1421692-00-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1421692-00-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,6,9 and 2 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1421692-00:
(9*1)+(8*4)+(7*2)+(6*1)+(5*6)+(4*9)+(3*2)+(2*0)+(1*0)=133
133 % 10 = 3
So 1421692-00-3 is a valid CAS Registry Number.

1421692-00-3Relevant articles and documents

Catalytic asymmetric protonation of silyl ketene imines

Guin, Joyram,Varseev, Georgy,List, Benjamin

supporting information, p. 2100 - 2103 (2013/03/28)

An efficient catalytic and highly enantioselective protonation of silyl ketene imines is described. The reaction is catalyzed by the chiral phosphoric acids TRIP or STRIP in the presence of a stoichiometric amount of methanol as the proton source and silyl acceptor. A variety of substituted racemic silyl ketene imines have been transformed into highly enantioenriched nitriles.

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