75141-66-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75141-66-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,1,4 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 75141-66:
(7*7)+(6*5)+(5*1)+(4*4)+(3*1)+(2*6)+(1*6)=121
121 % 10 = 1
So 75141-66-1 is a valid CAS Registry Number.