66141-30-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66141-30-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,1,4 and 1 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 66141-30:
(7*6)+(6*6)+(5*1)+(4*4)+(3*1)+(2*3)+(1*0)=108
108 % 10 = 8
So 66141-30-8 is a valid CAS Registry Number.