251901-82-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 251901-82-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,1,9,0 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 251901-82:
(8*2)+(7*5)+(6*1)+(5*9)+(4*0)+(3*1)+(2*8)+(1*2)=123
123 % 10 = 3
So 251901-82-3 is a valid CAS Registry Number.