398-85-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 398-85-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,9 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 398-85:
(5*3)+(4*9)+(3*8)+(2*8)+(1*5)=96
96 % 10 = 6
So 398-85-6 is a valid CAS Registry Number.