72796-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72796-57-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,7,9 and 6 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 72796-57:
(7*7)+(6*2)+(5*7)+(4*9)+(3*6)+(2*5)+(1*7)=167
167 % 10 = 7
So 72796-57-7 is a valid CAS Registry Number.