53348-77-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53348-77-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,3,4 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 53348-77:
(7*5)+(6*3)+(5*3)+(4*4)+(3*8)+(2*7)+(1*7)=129
129 % 10 = 9
So 53348-77-9 is a valid CAS Registry Number.