105025-87-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105025-87-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,0,2 and 5 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 105025-87:
(8*1)+(7*0)+(6*5)+(5*0)+(4*2)+(3*5)+(2*8)+(1*7)=84
84 % 10 = 4
So 105025-87-4 is a valid CAS Registry Number.