72401-88-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72401-88-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,4,0 and 1 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 72401-88:
(7*7)+(6*2)+(5*4)+(4*0)+(3*1)+(2*8)+(1*8)=108
108 % 10 = 8
So 72401-88-8 is a valid CAS Registry Number.