72517-96-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72517-96-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,5,1 and 7 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 72517-96:
(7*7)+(6*2)+(5*5)+(4*1)+(3*7)+(2*9)+(1*6)=135
135 % 10 = 5
So 72517-96-5 is a valid CAS Registry Number.