84649-83-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84649-83-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,6,4 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 84649-83:
(7*8)+(6*4)+(5*6)+(4*4)+(3*9)+(2*8)+(1*3)=172
172 % 10 = 2
So 84649-83-2 is a valid CAS Registry Number.