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4'',6''-O-benzylidene-5-deoxy-5-epi-5-fluoro-1,3,2',6',3''-penta-N-tosyldibekacin is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

190430-68-3

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190430-68-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 190430-68-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,4,3 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 190430-68:
(8*1)+(7*9)+(6*0)+(5*4)+(4*3)+(3*0)+(2*6)+(1*8)=123
123 % 10 = 3
So 190430-68-3 is a valid CAS Registry Number.

190430-68-3Upstream product

190430-68-3Relevant academic research and scientific papers

Synthesis of 2'-acylamido derivatives of 2''-amino-5,2''-dideoxy-5-epi-5-fluorodibekacin and a study on the structures of 5-fluorinated dibekacin analogs by 13C NMR

Kuwahara, Ryuji,Tsuchiya, Tsutomu

, p. 271 - 279 (1997)

Several 2N-amino-2''-deoxy and 2''-acylamido-2'-deoxy derivatives (15-21) of 5-deoxy-5-epi-5-fluorodibekacin have been prepared, introducing the 2''-NH2 group via oxidation-methoxyimination-reduction processes. The C-4 and C-6 chemical shifts in the 13C NMR spectra of several 5-fluorinated kanamycin analogs have been studied, and the difference in shifts was explained on the basis of F-5-O-4 and F-5-O-6 distances estimated by MOPAC93/PM3 calculations on related model compounds.

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