168611-56-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 168611-56-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,8,6,1 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 168611-56:
(8*1)+(7*6)+(6*8)+(5*6)+(4*1)+(3*1)+(2*5)+(1*6)=151
151 % 10 = 1
So 168611-56-1 is a valid CAS Registry Number.