83164-98-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83164-98-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,1,6 and 4 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 83164-98:
(7*8)+(6*3)+(5*1)+(4*6)+(3*4)+(2*9)+(1*8)=141
141 % 10 = 1
So 83164-98-1 is a valid CAS Registry Number.