40148-16-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40148-16-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,1,4 and 8 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 40148-16:
(7*4)+(6*0)+(5*1)+(4*4)+(3*8)+(2*1)+(1*6)=81
81 % 10 = 1
So 40148-16-1 is a valid CAS Registry Number.