82658-85-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82658-85-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,6,5 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 82658-85:
(7*8)+(6*2)+(5*6)+(4*5)+(3*8)+(2*8)+(1*5)=163
163 % 10 = 3
So 82658-85-3 is a valid CAS Registry Number.