100743-12-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100743-12-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,7,4 and 3 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 100743-12:
(8*1)+(7*0)+(6*0)+(5*7)+(4*4)+(3*3)+(2*1)+(1*2)=72
72 % 10 = 2
So 100743-12-2 is a valid CAS Registry Number.