51239-13-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51239-13-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,2,3 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 51239-13:
(7*5)+(6*1)+(5*2)+(4*3)+(3*9)+(2*1)+(1*3)=95
95 % 10 = 5
So 51239-13-5 is a valid CAS Registry Number.