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107202-33-5

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107202-33-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107202-33-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,2,0 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 107202-33:
(8*1)+(7*0)+(6*7)+(5*2)+(4*0)+(3*2)+(2*3)+(1*3)=75
75 % 10 = 5
So 107202-33-5 is a valid CAS Registry Number.

107202-33-5Relevant articles and documents

A Synthesis of Protected Aminoalkyl Epoxides from α-Amino Acids

Luly, Jay R.,Dellaria, Joseph F.,Plattner, Jacob J.,Soderquist, Jeffrey L.,Yi, Nwe

, p. 1487 - 1492 (2007/10/02)

The synthesis of alkylamino epoxides C is presented.Key steps include the synthesis of amino aldehyde 5 by reduction (DIBAH) of ester 3 or by oxidation of N-protected amino alcohol 4, both edducts of which are derived from amino acids.A study of the olefination of aldehyde 5 with unstabilized ylides is presented, and protected allylic amino 6, obtained in good to excellent optical purity, is oxidized (MCPBA) to epoxide C.Threo selectivity is observed in the epoxidation reaction.

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