741668-11-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 741668-11-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,1,6,6 and 8 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 741668-11:
(8*7)+(7*4)+(6*1)+(5*6)+(4*6)+(3*8)+(2*1)+(1*1)=171
171 % 10 = 1
So 741668-11-1 is a valid CAS Registry Number.