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1442563-34-9

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1442563-34-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1442563-34-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,2,5,6 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1442563-34:
(9*1)+(8*4)+(7*4)+(6*2)+(5*5)+(4*6)+(3*3)+(2*3)+(1*4)=149
149 % 10 = 9
So 1442563-34-9 is a valid CAS Registry Number.

1442563-34-9Relevant articles and documents

Synthesis of acylguanidine zanamivir derivatives as neuraminidase inhibitors and the evaluation of their bio-activities

Lin, Chien-Hung,Chang, Tsung-Che,Das, Anindya,Fang, Ming-Yu,Hung, Hui-Chen,Hsu, Kai-Cheng,Yang, Jinn-Moon,Von Itzstein, Mark,Mong, Kwok Kong T.,Hsu, Tsu-An,Lin, Chun-Cheng

, p. 3943 - 3948 (2013/07/05)

A series of acylguanidine-modified zanamivir analogs were synthesized and their inhibitory activities against the NAs of avian influenza viruses (H1N1 and H3N2) were evaluated. In particular, zanamivir derivative 3j, with a hydrophobic naphthalene substituent, exhibits the best inhibitory activity against group-1 NA with an IC50 of 20 nM. The Royal Society of Chemistry 2013.

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