740806-61-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 740806-61-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,0,8,0 and 6 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 740806-61:
(8*7)+(7*4)+(6*0)+(5*8)+(4*0)+(3*6)+(2*6)+(1*1)=155
155 % 10 = 5
So 740806-61-5 is a valid CAS Registry Number.