831209-88-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 831209-88-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,3,1,2,0 and 9 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 831209-88:
(8*8)+(7*3)+(6*1)+(5*2)+(4*0)+(3*9)+(2*8)+(1*8)=152
152 % 10 = 2
So 831209-88-2 is a valid CAS Registry Number.