51229-53-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51229-53-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,2,2 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 51229-53:
(7*5)+(6*1)+(5*2)+(4*2)+(3*9)+(2*5)+(1*3)=99
99 % 10 = 9
So 51229-53-9 is a valid CAS Registry Number.