Cas 1004993-43-4,tert-butyl (2S)-2-[(phenylselenonyl)methyl]pyrrolidine-1-carboxylate

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Check Digit Verification of cas no

The CAS Registry Mumber 1004993-43-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,4,9,9 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1004993-43:
(9*1)+(8*0)+(7*0)+(6*4)+(5*9)+(4*9)+(3*3)+(2*4)+(1*3)=134
134 % 10 = 4
So 1004993-43-4 is a valid CAS Registry Number.

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1004993-43-4Relevant articles and documents

Selenium promoted synthesis of enantiopure pyrrolidines starting from chiral aminoalcohols

Tiecco, Marcello,Testaferri, Lorenzo,Bagnoli, Luana,Scarponi, Catalina,Temperini, Andrea,Marini, Francesca,Santi, Claudio

, p. 2758 - 2767 (2008/03/28)

Starting from commercially available enantiomerically pure aminoalcohols and using simple conversions promoted by organoselenium reagents, several enantiomerically pure substituted pyrrolidines were prepared. After double protections (R)- or (S)-2-phenylg

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1004993-43-4