116178-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 116178-20-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,1,7 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 116178-20:
(8*1)+(7*1)+(6*6)+(5*1)+(4*7)+(3*8)+(2*2)+(1*0)=112
112 % 10 = 2
So 116178-20-2 is a valid CAS Registry Number.