189124-51-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189124-51-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,1,2 and 4 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 189124-51:
(8*1)+(7*8)+(6*9)+(5*1)+(4*2)+(3*4)+(2*5)+(1*1)=154
154 % 10 = 4
So 189124-51-4 is a valid CAS Registry Number.
189124-51-4Relevant academic research and scientific papers
Feliu, Lidia,Ajana, Wadi,Alvarez, Mercedes,Joule, John A.
, p. 4511 - 4520 (1997)
5,8-Dimethoxyquinolin-4-one has been transformed in five steps into a 7-oxo-1,6-diazaphenalene and in 4 steps into 6-aza-1-oxaphenalene.
