130739-49-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130739-49-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,7,3 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 130739-49:
(8*1)+(7*3)+(6*0)+(5*7)+(4*3)+(3*9)+(2*4)+(1*9)=120
120 % 10 = 0
So 130739-49-0 is a valid CAS Registry Number.
130739-49-0Relevant articles and documents
Intramolecular Michael Addition of Chiral Imines to Enoates: a New Asymmetric Carbocyclization Reaction
Dumas, Francoise,d'Angelo, Jean
, p. 167 - 170 (2007/10/02)
Imines 6-8 have been cyclized into ketones 9-11 by using three methods of activation: heating, high pressure and Lewis acid (MgBr2).Low to excellent stereoselectivities were observed.