144216-67-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144216-67-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,2,1 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 144216-67:
(8*1)+(7*4)+(6*4)+(5*2)+(4*1)+(3*6)+(2*6)+(1*7)=111
111 % 10 = 1
So 144216-67-1 is a valid CAS Registry Number.