173166-64-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 173166-64-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,1,6 and 6 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 173166-64:
(8*1)+(7*7)+(6*3)+(5*1)+(4*6)+(3*6)+(2*6)+(1*4)=138
138 % 10 = 8
So 173166-64-8 is a valid CAS Registry Number.
173166-64-8Relevant articles and documents
Naphthalene amidine imide dyes by transamination of naphthalene bisimides
Langhals, Heinz,Jaschke, Harald
, p. 2815 - 2824 (2008/02/03)
Derivatives of naphthalene-1,4,5,8-tetracarboxylic acid with amidine structures have been prepared. The light absorption of the bisimide derivatives in the UV region is shifted to the visible for the amidine imides, which also fluoresce with a large Stoke
