60204-57-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 60204-57-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,0,2,0 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 60204-57:
(7*6)+(6*0)+(5*2)+(4*0)+(3*4)+(2*5)+(1*7)=81
81 % 10 = 1
So 60204-57-1 is a valid CAS Registry Number.