103533-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103533-23-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,5,3 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 103533-23:
(8*1)+(7*0)+(6*3)+(5*5)+(4*3)+(3*3)+(2*2)+(1*3)=79
79 % 10 = 9
So 103533-23-9 is a valid CAS Registry Number.