160657-99-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 160657-99-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,0,6,5 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 160657-99:
(8*1)+(7*6)+(6*0)+(5*6)+(4*5)+(3*7)+(2*9)+(1*9)=148
148 % 10 = 8
So 160657-99-8 is a valid CAS Registry Number.