89927-26-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89927-26-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,2 and 7 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 89927-26:
(7*8)+(6*9)+(5*9)+(4*2)+(3*7)+(2*2)+(1*6)=194
194 % 10 = 4
So 89927-26-4 is a valid CAS Registry Number.