60203-18-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 60203-18-1 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 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 60203-18:
(7*6)+(6*0)+(5*2)+(4*0)+(3*3)+(2*1)+(1*8)=71
71 % 10 = 1
So 60203-18-1 is a valid CAS Registry Number.