7126-04-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7126-04-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,2 and 6 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 7126-04:
(6*7)+(5*1)+(4*2)+(3*6)+(2*0)+(1*4)=77
77 % 10 = 7
So 7126-04-7 is a valid CAS Registry Number.