89967-85-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89967-85-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,6 and 7 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 89967-85:
(7*8)+(6*9)+(5*9)+(4*6)+(3*7)+(2*8)+(1*5)=221
221 % 10 = 1
So 89967-85-1 is a valid CAS Registry Number.