66072-71-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66072-71-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,0,7 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 66072-71:
(7*6)+(6*6)+(5*0)+(4*7)+(3*2)+(2*7)+(1*1)=127
127 % 10 = 7
So 66072-71-7 is a valid CAS Registry Number.