51772-25-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51772-25-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,7,7 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 51772-25:
(7*5)+(6*1)+(5*7)+(4*7)+(3*2)+(2*2)+(1*5)=119
119 % 10 = 9
So 51772-25-9 is a valid CAS Registry Number.