139545-51-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139545-51-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,5,4 and 5 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 139545-51:
(8*1)+(7*3)+(6*9)+(5*5)+(4*4)+(3*5)+(2*5)+(1*1)=150
150 % 10 = 0
So 139545-51-0 is a valid CAS Registry Number.
139545-51-0Relevant articles and documents
Influence of the Enol Formation on the Reduction of β-Keto Carboxylic Acid Derivatives by Zinc Borohydride
Meier, Herbert,Krause, Volker
, p. 1713 - 1719 (2007/10/02)
Reduction of Carbonyl Ester Groups, Chemoselectivity, StereoselectivityDepending on the keto-enol equilibrium 12 reduction of the esters and the amides 1/2 a-g with Zn(BH4)2/ZnCl2 attacks either at the CO or at the CO2R group.A high diastereoselectivit
