126642-01-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126642-01-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,6,4 and 2 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 126642-01:
(8*1)+(7*2)+(6*6)+(5*6)+(4*4)+(3*2)+(2*0)+(1*1)=111
111 % 10 = 1
So 126642-01-1 is a valid CAS Registry Number.