75524-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75524-19-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,5,2 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 75524-19:
(7*7)+(6*5)+(5*5)+(4*2)+(3*4)+(2*1)+(1*9)=135
135 % 10 = 5
So 75524-19-5 is a valid CAS Registry Number.