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94202-81-0

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94202-81-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94202-81-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,2,0 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 94202-81:
(7*9)+(6*4)+(5*2)+(4*0)+(3*2)+(2*8)+(1*1)=120
120 % 10 = 0
So 94202-81-0 is a valid CAS Registry Number.

94202-81-0Relevant articles and documents

Asymmetric Carbon to Nitrogen Bond Formation Using Optically Active Allylic Selenides: A New General Method for the Synthesis of N-Protected Optically Active α-Amino Acids

Fitzner, Jeffrey N.,Shea, Regan G.,Fankhauser, John E.,Hopkins, Paul B.

, p. 417 - 419 (1985)

Optically active allylic selenides undergo oxidative sigmatropic rearrangement to afford optically active, protected allylic amines.The synthetic utility of this process is demonstrated by the synthesis of several N-protected D-α-amino acids in 78-84percent enantiomeric excess.

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