75322-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75322-91-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,3,2 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 75322-91:
(7*7)+(6*5)+(5*3)+(4*2)+(3*2)+(2*9)+(1*1)=127
127 % 10 = 7
So 75322-91-7 is a valid CAS Registry Number.