748-18-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 748-18-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,4 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 748-18:
(5*7)+(4*4)+(3*8)+(2*1)+(1*8)=85
85 % 10 = 5
So 748-18-5 is a valid CAS Registry Number.