78111-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78111-20-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,1,1 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 78111-20:
(7*7)+(6*8)+(5*1)+(4*1)+(3*1)+(2*2)+(1*0)=113
113 % 10 = 3
So 78111-20-3 is a valid CAS Registry Number.
78111-20-3Relevant articles and documents
The Synthesis of Megaphone
Buechi, George,Chu, Ping-Sun
, p. 2718 - 2721 (2007/10/02)
Condensation of 4,4,5-trimethoxy-2-propyl>-2,5-cyclohexadien-1-one (7) with 1,2,3-trimethoxy-5-(1-(Z)-propenyl)benzene in dichloromethane, in the presence of 1 equiv. of stannic chloride, gave (2β,3β,3aα)-3,3a-dihydro-5-methoxy-3-m
