4048-18-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4048-18-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,4 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4048-18:
(6*4)+(5*0)+(4*4)+(3*8)+(2*1)+(1*8)=74
74 % 10 = 4
So 4048-18-4 is a valid CAS Registry Number.