83303-35-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83303-35-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,3,0 and 3 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 83303-35:
(7*8)+(6*3)+(5*3)+(4*0)+(3*3)+(2*3)+(1*5)=109
109 % 10 = 9
So 83303-35-9 is a valid CAS Registry Number.