5953-57-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5953-57-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,9,5 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 5953-57:
(6*5)+(5*9)+(4*5)+(3*3)+(2*5)+(1*7)=121
121 % 10 = 1
So 5953-57-1 is a valid CAS Registry Number.