1705-04-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1705-04-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,0 and 5 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1705-04:
(6*1)+(5*7)+(4*0)+(3*5)+(2*0)+(1*4)=60
60 % 10 = 0
So 1705-04-0 is a valid CAS Registry Number.