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1220765-83-2

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1220765-83-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1220765-83-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,0,7,6 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1220765-83:
(9*1)+(8*2)+(7*2)+(6*0)+(5*7)+(4*6)+(3*5)+(2*8)+(1*3)=132
132 % 10 = 2
So 1220765-83-2 is a valid CAS Registry Number.

1220765-83-2Downstream Products

1220765-83-2Relevant academic research and scientific papers

Chemical modification of rupestonic acid and preliminarily in vitro antiviral activity against influenza A3 and B viruses

Yong, Jian-Ping,Aisa, Haji Akber

experimental part, p. 1293 - 1297 (2012/01/02)

To improve the biological activities of rupestonic acid, 21 new rupestonic acid fatty ester derivatives (2a-2h) and aromatic ester derivatives (2i-2u) were synthesized and preliminarily evaluated for their anti-influenza activity in vitro by the national center for drug screening of China, using the Oseltamivir and Ribavirin as reference drugs. The results showed that 2l (IC50 = 0.5 μmol/L) exhibited potent anti-influenza A3 viral activity among the synthesized compounds and was 10-fold more potent than that of the reference drug Oseltamivir (IC50 = 5.1 μmol/L).

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