72666-29-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72666-29-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,6,6 and 6 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 72666-29:
(7*7)+(6*2)+(5*6)+(4*6)+(3*6)+(2*2)+(1*9)=146
146 % 10 = 6
So 72666-29-6 is a valid CAS Registry Number.