397250-80-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 397250-80-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,7,2,5 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 397250-80:
(8*3)+(7*9)+(6*7)+(5*2)+(4*5)+(3*0)+(2*8)+(1*0)=175
175 % 10 = 5
So 397250-80-5 is a valid CAS Registry Number.