84839-12-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84839-12-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,8,3 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 84839-12:
(7*8)+(6*4)+(5*8)+(4*3)+(3*9)+(2*1)+(1*2)=163
163 % 10 = 3
So 84839-12-3 is a valid CAS Registry Number.