89680-36-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89680-36-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,6,8 and 0 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 89680-36:
(7*8)+(6*9)+(5*6)+(4*8)+(3*0)+(2*3)+(1*6)=184
184 % 10 = 4
So 89680-36-4 is a valid CAS Registry Number.