1005111-87-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1005111-87-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,5,1,1 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1005111-87:
(9*1)+(8*0)+(7*0)+(6*5)+(5*1)+(4*1)+(3*1)+(2*8)+(1*7)=74
74 % 10 = 4
So 1005111-87-4 is a valid CAS Registry Number.