66172-29-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66172-29-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,1,7 and 2 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 66172-29:
(7*6)+(6*6)+(5*1)+(4*7)+(3*2)+(2*2)+(1*9)=130
130 % 10 = 0
So 66172-29-0 is a valid CAS Registry Number.