100323-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100323-17-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,3,2 and 3 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 100323-17:
(8*1)+(7*0)+(6*0)+(5*3)+(4*2)+(3*3)+(2*1)+(1*7)=49
49 % 10 = 9
So 100323-17-9 is a valid CAS Registry Number.