111184-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111184-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,1,8 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 111184-57:
(8*1)+(7*1)+(6*1)+(5*1)+(4*8)+(3*4)+(2*5)+(1*7)=87
87 % 10 = 7
So 111184-57-7 is a valid CAS Registry Number.