1613719-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1613719-97-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,3,7,1 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1613719-97:
(9*1)+(8*6)+(7*1)+(6*3)+(5*7)+(4*1)+(3*9)+(2*9)+(1*7)=173
173 % 10 = 3
So 1613719-97-3 is a valid CAS Registry Number.