3303-90-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3303-90-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,3,0 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 3303-90:
(6*3)+(5*3)+(4*0)+(3*3)+(2*9)+(1*0)=60
60 % 10 = 0
So 3303-90-0 is a valid CAS Registry Number.