160657-86-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 160657-86-3 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, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 160657-86:
(8*1)+(7*6)+(6*0)+(5*6)+(4*5)+(3*7)+(2*8)+(1*6)=143
143 % 10 = 3
So 160657-86-3 is a valid CAS Registry Number.