1603-08-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1603-08-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,0 and 3 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1603-08:
(6*1)+(5*6)+(4*0)+(3*3)+(2*0)+(1*8)=53
53 % 10 = 3
So 1603-08-3 is a valid CAS Registry Number.