321-04-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 321-04-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,2 and 1 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 321-04:
(5*3)+(4*2)+(3*1)+(2*0)+(1*4)=30
30 % 10 = 0
So 321-04-0 is a valid CAS Registry Number.
321-04-0Relevant articles and documents
QUINOLONE COMPOUND AND PHARMACEUTICAL COMPOSITION
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Page/Page column 39, (2009/01/24)
The present invention provides a quinolone compound represented by General Formula (1) or a salt thereof, wherein R1 represents a hydrogen atom, etc.; R2 represents a hydrogen atom, etc.; R3 represents a phenyl group optio