740835-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 740835-40-9 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 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 740835-40:
(8*7)+(7*4)+(6*0)+(5*8)+(4*3)+(3*5)+(2*4)+(1*0)=159
159 % 10 = 9
So 740835-40-9 is a valid CAS Registry Number.