100969-23-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100969-23-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,9,6 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 100969-23:
(8*1)+(7*0)+(6*0)+(5*9)+(4*6)+(3*9)+(2*2)+(1*3)=111
111 % 10 = 1
So 100969-23-1 is a valid CAS Registry Number.