53349-55-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53349-55-6 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 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 53349-55:
(7*5)+(6*3)+(5*3)+(4*4)+(3*9)+(2*5)+(1*5)=126
126 % 10 = 6
So 53349-55-6 is a valid CAS Registry Number.