97389-14-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97389-14-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,3,8 and 9 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 97389-14:
(7*9)+(6*7)+(5*3)+(4*8)+(3*9)+(2*1)+(1*4)=185
185 % 10 = 5
So 97389-14-5 is a valid CAS Registry Number.
97389-14-5Relevant articles and documents
Synthesis of the Food Mutagens MeIQx and 4,8-DiMeIQx by Copper(I) Promoted Quinoxaline Formation
Knapp, Spencer,Ziv, Joseph,Rosen, Joseph D.
, p. 1293 - 1298 (2007/10/02)
The regiocontrolled syntheses of the title compounds (1 and 2) is described.The key step is a new intramolecular alkyne amination and aromatization process (5 6; 8 9) effected by tetrakis(acetonitrile)copper(I) tetrafluoroborate.