90612-16-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90612-16-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,1 and 2 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 90612-16:
(7*9)+(6*0)+(5*6)+(4*1)+(3*2)+(2*1)+(1*6)=111
111 % 10 = 1
So 90612-16-1 is a valid CAS Registry Number.