116888-55-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 116888-55-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,8,8 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 116888-55:
(8*1)+(7*1)+(6*6)+(5*8)+(4*8)+(3*8)+(2*5)+(1*5)=162
162 % 10 = 2
So 116888-55-2 is a valid CAS Registry Number.