740855-66-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 740855-66-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,0,8,5 and 5 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 740855-66:
(8*7)+(7*4)+(6*0)+(5*8)+(4*5)+(3*5)+(2*6)+(1*6)=177
177 % 10 = 7
So 740855-66-7 is a valid CAS Registry Number.