7519-04-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7519-04-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,5,1 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 7519-04:
(6*7)+(5*5)+(4*1)+(3*9)+(2*0)+(1*4)=102
102 % 10 = 2
So 7519-04-2 is a valid CAS Registry Number.