53557-85-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53557-85-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,5,5 and 7 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 53557-85:
(7*5)+(6*3)+(5*5)+(4*5)+(3*7)+(2*8)+(1*5)=140
140 % 10 = 0
So 53557-85-0 is a valid CAS Registry Number.