251921-07-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 251921-07-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,1,9,2 and 1 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 251921-07:
(8*2)+(7*5)+(6*1)+(5*9)+(4*2)+(3*1)+(2*0)+(1*7)=120
120 % 10 = 0
So 251921-07-0 is a valid CAS Registry Number.