160816-86-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 160816-86-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,0,8,1 and 6 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 160816-86:
(8*1)+(7*6)+(6*0)+(5*8)+(4*1)+(3*6)+(2*8)+(1*6)=134
134 % 10 = 4
So 160816-86-4 is a valid CAS Registry Number.