51217-95-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51217-95-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,2,1 and 7 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 51217-95:
(7*5)+(6*1)+(5*2)+(4*1)+(3*7)+(2*9)+(1*5)=99
99 % 10 = 9
So 51217-95-9 is a valid CAS Registry Number.