72957-75-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72957-75-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,9,5 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 72957-75:
(7*7)+(6*2)+(5*9)+(4*5)+(3*7)+(2*7)+(1*5)=166
166 % 10 = 6
So 72957-75-6 is a valid CAS Registry Number.