87056-45-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87056-45-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,0,5 and 6 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 87056-45:
(7*8)+(6*7)+(5*0)+(4*5)+(3*6)+(2*4)+(1*5)=149
149 % 10 = 9
So 87056-45-9 is a valid CAS Registry Number.
87056-45-9Relevant academic research and scientific papers
Studies in benzonaphthyridines: Synthesis of benzoimidazonaphthyridines
Bachowska,Zujewska
, p. 105 - 106 (2007/10/03)
Benzoimidazonaphthyridines were synthesized and quaternary salts of benzonaphthyridine were studied using cyclization reactions. Structural confirmation of the cyclized products was done by nuclear magnetic resonance (NMR), mass spectroscopy and elemental