267001-16-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 267001-16-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,7,0,0 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 267001-16:
(8*2)+(7*6)+(6*7)+(5*0)+(4*0)+(3*1)+(2*1)+(1*6)=111
111 % 10 = 1
So 267001-16-1 is a valid CAS Registry Number.