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117643-47-7

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117643-47-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117643-47-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,4 and 3 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 117643-47:
(8*1)+(7*1)+(6*7)+(5*6)+(4*4)+(3*3)+(2*4)+(1*7)=127
127 % 10 = 7
So 117643-47-7 is a valid CAS Registry Number.

117643-47-7Relevant academic research and scientific papers

Total synthesis of (-)-4,8,10-tridesmethyl telithromycin

Velvadapu, Venkata,Paul, Tapas,Wagh, Bharat,Glassford, Ian,Debrosse, Charles,Andrade, Rodrigo B.

scheme or table, p. 7516 - 7527 (2011/11/29)

Novel sources of antibiotics are required to address the serious problem of antibiotic resistance. Telithromycin (2) is a third-generation macrolide antibiotic prepared from erythromycin (1) and used clinically since 2004. Herein we report the details of

Desmethyl macrolides: Synthesis and evaluation of 4,8,10-tridesmethyl telithromycin

Velvadapu, Venkata,Paul, Tapas,Wagh, Bharat,Klepacki, Dorota,Guvench, Olgun,MacKerell, Alexander,Andrade, Rodrigo B.

, p. 68 - 72 (2011/04/17)

There is an urgent need to discover new drugs to address the pressing problem of antibiotic resistance. Macrolide antibiotics such as erythromycin (1) are safe, broad-spectrum antibiotics used in the clinic since 1954. Herein, we report the synthesis and

Enantioselective total synthesis of macrolide antitumor agent (-)-lasonolide A

Ghosh, Arun K.,Gong, Gangli

, p. 1437 - 1440 (2008/02/03)

Equation presented An enantioselective total synthesis of (-)-lasonolide A is described. The upper tetrahydropyran ring was constructed stereoselectively by an intramolecular 1,3-dipolar cycloaddition reaction. The bicyclic isooxazoline led to the tetrahy

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