250719-04-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 250719-04-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,0,7,1 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 250719-04:
(8*2)+(7*5)+(6*0)+(5*7)+(4*1)+(3*9)+(2*0)+(1*4)=121
121 % 10 = 1
So 250719-04-1 is a valid CAS Registry Number.