191598-69-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 191598-69-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,5,9 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 191598-69:
(8*1)+(7*9)+(6*1)+(5*5)+(4*9)+(3*8)+(2*6)+(1*9)=183
183 % 10 = 3
So 191598-69-3 is a valid CAS Registry Number.