66451-22-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66451-22-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,4,5 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 66451-22:
(7*6)+(6*6)+(5*4)+(4*5)+(3*1)+(2*2)+(1*2)=127
127 % 10 = 7
So 66451-22-7 is a valid CAS Registry Number.