131025-80-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131025-80-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,0,2 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 131025-80:
(8*1)+(7*3)+(6*1)+(5*0)+(4*2)+(3*5)+(2*8)+(1*0)=74
74 % 10 = 4
So 131025-80-4 is a valid CAS Registry Number.