900330-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 900330-20-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,0,3,3 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 900330-20:
(8*9)+(7*0)+(6*0)+(5*3)+(4*3)+(3*0)+(2*2)+(1*0)=103
103 % 10 = 3
So 900330-20-3 is a valid CAS Registry Number.