96938-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 96938-57-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,6,9,3 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 96938-57:
(7*9)+(6*6)+(5*9)+(4*3)+(3*8)+(2*5)+(1*7)=197
197 % 10 = 7
So 96938-57-7 is a valid CAS Registry Number.