198839-45-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 198839-45-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,8,3 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 198839-45:
(8*1)+(7*9)+(6*8)+(5*8)+(4*3)+(3*9)+(2*4)+(1*5)=211
211 % 10 = 1
So 198839-45-1 is a valid CAS Registry Number.
198839-45-1Relevant articles and documents
Intramolecular Azide Cycloadditions leading to Triazoloquinoxalines
Broggini, Gianluigi,Garanti, Luisa,Molteni, Giorgio,Zecchi, Gaetano
, p. 2215 - 2226 (2007/10/03)
A general synthetic route to the title heterocyclic compounds has been developed.