111499-77-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111499-77-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,4,9 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 111499-77:
(8*1)+(7*1)+(6*1)+(5*4)+(4*9)+(3*9)+(2*7)+(1*7)=125
125 % 10 = 5
So 111499-77-5 is a valid CAS Registry Number.