337358-77-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 337358-77-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,7,3,5 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 337358-77:
(8*3)+(7*3)+(6*7)+(5*3)+(4*5)+(3*8)+(2*7)+(1*7)=167
167 % 10 = 7
So 337358-77-7 is a valid CAS Registry Number.
337358-77-7Relevant academic research and scientific papers
NAPHTHYRIDINE DERIVATIVES
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, (2008/06/13)
2-Oxo-1,2-dihydro-1,8-naphthyridine derivatives characterized by bearing a specific substituent, -X-R6, at the 3-position and a cyclic substituent, R5, at the 4-position; or salts thereof. The derivatives and the salts are useful as drugs, particularly preventive or therapeutic agents for respiratory diseases related to PDE IV.