239123-50-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 239123-50-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,9,1,2 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 239123-50:
(8*2)+(7*3)+(6*9)+(5*1)+(4*2)+(3*3)+(2*5)+(1*0)=123
123 % 10 = 3
So 239123-50-3 is a valid CAS Registry Number.