740-83-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 740-83-0 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 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 740-83:
(5*7)+(4*4)+(3*0)+(2*8)+(1*3)=70
70 % 10 = 0
So 740-83-0 is a valid CAS Registry Number.