1025311-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1025311-81-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,5,3,1 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1025311-81:
(9*1)+(8*0)+(7*2)+(6*5)+(5*3)+(4*1)+(3*1)+(2*8)+(1*1)=92
92 % 10 = 2
So 1025311-81-2 is a valid CAS Registry Number.