250280-34-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 250280-34-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,0,2,8 and 0 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 250280-34:
(8*2)+(7*5)+(6*0)+(5*2)+(4*8)+(3*0)+(2*3)+(1*4)=103
103 % 10 = 3
So 250280-34-3 is a valid CAS Registry Number.