89612-51-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89612-51-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,6,1 and 2 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 89612-51:
(7*8)+(6*9)+(5*6)+(4*1)+(3*2)+(2*5)+(1*1)=161
161 % 10 = 1
So 89612-51-1 is a valid CAS Registry Number.