116588-81-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 116588-81-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,5,8 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 116588-81:
(8*1)+(7*1)+(6*6)+(5*5)+(4*8)+(3*8)+(2*8)+(1*1)=149
149 % 10 = 9
So 116588-81-9 is a valid CAS Registry Number.