116031-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 116031-91-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,0,3 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 116031-91:
(8*1)+(7*1)+(6*6)+(5*0)+(4*3)+(3*1)+(2*9)+(1*1)=85
85 % 10 = 5
So 116031-91-5 is a valid CAS Registry Number.