1397199-17-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1397199-17-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,7,1,9 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1397199-17:
(9*1)+(8*3)+(7*9)+(6*7)+(5*1)+(4*9)+(3*9)+(2*1)+(1*7)=215
215 % 10 = 5
So 1397199-17-5 is a valid CAS Registry Number.