126-34-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126-34-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,2 and 6 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 126-34:
(5*1)+(4*2)+(3*6)+(2*3)+(1*4)=41
41 % 10 = 1
So 126-34-1 is a valid CAS Registry Number.