75921-13-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75921-13-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,9,2 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 75921-13:
(7*7)+(6*5)+(5*9)+(4*2)+(3*1)+(2*1)+(1*3)=140
140 % 10 = 0
So 75921-13-0 is a valid CAS Registry Number.