103323-77-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103323-77-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,3,2 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 103323-77:
(8*1)+(7*0)+(6*3)+(5*3)+(4*2)+(3*3)+(2*7)+(1*7)=79
79 % 10 = 9
So 103323-77-9 is a valid CAS Registry Number.