293740-48-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 293740-48-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,3,7,4 and 0 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 293740-48:
(8*2)+(7*9)+(6*3)+(5*7)+(4*4)+(3*0)+(2*4)+(1*8)=164
164 % 10 = 4
So 293740-48-4 is a valid CAS Registry Number.