51439-94-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51439-94-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,4,3 and 9 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 51439-94:
(7*5)+(6*1)+(5*4)+(4*3)+(3*9)+(2*9)+(1*4)=122
122 % 10 = 2
So 51439-94-2 is a valid CAS Registry Number.