120078-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120078-19-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,0,7 and 8 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 120078-19:
(8*1)+(7*2)+(6*0)+(5*0)+(4*7)+(3*8)+(2*1)+(1*9)=85
85 % 10 = 5
So 120078-19-5 is a valid CAS Registry Number.
120078-19-5Relevant articles and documents
SYNTHESIS OF A CARBOCYCLIC ANALOG OF QUERCETIN VIA A BARBIER REACTION
Shih, Neng-Yang,Mangiaracina, Pietro,Green, Michael J.,Ganguly, Ashit K.
, p. 5563 - 5566 (2007/10/02)
A six-step synthetic route to the carbocyclic flavonoid 2 is described.The key step involves a 1,4-addition of a tertiary bromide to a α,β-unsaturated ester by the Barbier reaction.