89914-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89914-72-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,1 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 89914-72:
(7*8)+(6*9)+(5*9)+(4*1)+(3*4)+(2*7)+(1*2)=187
187 % 10 = 7
So 89914-72-7 is a valid CAS Registry Number.