1025311-80-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1025311-80-1 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 0 respectively.
Calculate Digit Verification of CAS Registry Number 1025311-80:
(9*1)+(8*0)+(7*2)+(6*5)+(5*3)+(4*1)+(3*1)+(2*8)+(1*0)=91
91 % 10 = 1
So 1025311-80-1 is a valid CAS Registry Number.