51179-21-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51179-21-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,1,7 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 51179-21:
(7*5)+(6*1)+(5*1)+(4*7)+(3*9)+(2*2)+(1*1)=106
106 % 10 = 6
So 51179-21-6 is a valid CAS Registry Number.