1116559-13-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1116559-13-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,1,6,5,5 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1116559-13:
(9*1)+(8*1)+(7*1)+(6*6)+(5*5)+(4*5)+(3*9)+(2*1)+(1*3)=137
137 % 10 = 7
So 1116559-13-7 is a valid CAS Registry Number.