348-09-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 348-09-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,4 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 348-09:
(5*3)+(4*4)+(3*8)+(2*0)+(1*9)=64
64 % 10 = 4
So 348-09-4 is a valid CAS Registry Number.