89722-47-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89722-47-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,7,2 and 2 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 89722-47:
(7*8)+(6*9)+(5*7)+(4*2)+(3*2)+(2*4)+(1*7)=174
174 % 10 = 4
So 89722-47-4 is a valid CAS Registry Number.