251481-69-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 251481-69-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,1,4,8 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 251481-69:
(8*2)+(7*5)+(6*1)+(5*4)+(4*8)+(3*1)+(2*6)+(1*9)=133
133 % 10 = 3
So 251481-69-3 is a valid CAS Registry Number.