3126-28-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3126-28-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,1,2 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 3126-28:
(6*3)+(5*1)+(4*2)+(3*6)+(2*2)+(1*8)=61
61 % 10 = 1
So 3126-28-1 is a valid CAS Registry Number.