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1333161-21-9

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1333161-21-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1333161-21-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,3,1,6 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1333161-21:
(9*1)+(8*3)+(7*3)+(6*3)+(5*1)+(4*6)+(3*1)+(2*2)+(1*1)=109
109 % 10 = 9
So 1333161-21-9 is a valid CAS Registry Number.

1333161-21-9Relevant articles and documents

Stereoselective synthesis of syn-β-amino propargylic ethers: Application to the asymmetric syntheses of (+)-β-conhydrine and (-)-balanol

Louvel, Julien,Chemla, Fabrice,Demont, Emmanuel,Ferreira, Franck,Perez-Luna, Alejandro,Voituriez, Arnaud

, p. 2137 - 2151 (2011/10/12)

The stereoselective synthesis of syn-β-amino propargylic ethers by the addition of racemic lithio 3-(methoxymethoxy)allenylcuprates, and more particularly (cyano) and (mesityl)cuprates, to enantiopure chiral N-tert-butylsulfinylimines is reported. The sco

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