100103-50-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100103-50-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,1,0 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 100103-50:
(8*1)+(7*0)+(6*0)+(5*1)+(4*0)+(3*3)+(2*5)+(1*0)=32
32 % 10 = 2
So 100103-50-2 is a valid CAS Registry Number.