160057-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 160057-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,0,0,5 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 160057-16:
(8*1)+(7*6)+(6*0)+(5*0)+(4*5)+(3*7)+(2*1)+(1*6)=99
99 % 10 = 9
So 160057-16-9 is a valid CAS Registry Number.