128318-82-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128318-82-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,3,1 and 8 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 128318-82:
(8*1)+(7*2)+(6*8)+(5*3)+(4*1)+(3*8)+(2*8)+(1*2)=131
131 % 10 = 1
So 128318-82-1 is a valid CAS Registry Number.