740837-78-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 740837-78-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,0,8,3 and 7 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 740837-78:
(8*7)+(7*4)+(6*0)+(5*8)+(4*3)+(3*7)+(2*7)+(1*8)=179
179 % 10 = 9
So 740837-78-9 is a valid CAS Registry Number.