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Merck
CN

N0755

奈替米星 硫酸盐

别名:

1-N-Ethylsisomicin

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关于此项目

线性分子式:
C21H41N5O7 · 5/2H2SO4
化学文摘社编号:
56391-57-2
分子量:
720.78
UNSPSC Code:
51102829
NACRES:
NA.85
EC Number:
260-147-3
MDL number:
MFCD01311715

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SMILES string

[S](=O)(=O)(O)O.[S](=O)(=O)(O)O.[S](=O)(=O)(O)O.[S](=O)(=O)(O)O.[S](=O)(=O)(O)O.N([C@@H]4[C@H]([C@H](OC[C@@]4(O)C)O[C@@H]5[C@H]([C@@H]([C@H](C[C@H]5NCC)N)O[C@H]6OC(=CC[C@H]6N)CN)O)O)C.N([C@@H]1[C@H]([C@H](OC[C@@]1(O)C)O[C@@H]2[C@H]([C@@H]([C@H](C[C@H]2NCC

InChI key

AGFWIZQEWFGATK-UNZHCMSXSA-N

InChI

1S/2C21H41N5O7.5H2O4S/c2*1-4-26-13-7-12(24)16(32-19-11(23)6-5-10(8-22)31-19)14(27)17(13)33-20-15(28)18(25-3)21(2,29)9-30-20;5*1-5(2,3)4/h2*5,11-20,25-29H,4,6-9,22-24H2,1-3H3;5*(H2,1,2,3,4)/t2*11-,12+,13-,14+,15-,16-,17+,18-,19-,20-,21+;;;;;/m11...../s1

form

powder

color

white to faint yellow

solubility

H2O: 10 mg/mL

antibiotic activity spectrum

Gram-negative bacteria
Gram-positive bacteria

mode of action

protein synthesis | interferes

storage temp.

2-8°C

Quality Level

200

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相关类别

Application

Netilmicin is an aminoglycoside antibiotic active against most Gram-negative and some Gram-positive bacteria. It is a semisynthetic 1-N-ethyl derivative of sisomycin, an aminoglycoside antibiotic with action similar to gentamicin, but has less ear and kidney toxicity. It is used in aminoglycoside resistance studies and in susceptibility studies of Pseudomonas aeruginosa and Pseudomonas pseudomallei .

Biochem/physiol Actions

An aminoglycoside antibiotic active against most Gram-negative and some Gram-positive bacteria, including many gentamycin-resistant strains. The antibiotic enters the cell through a porin channel and binds to the 30S ribosomal subunit, causing misreading of mRNA.
Netilmicin irreversibly binds to specific 30S-subunit proteins and 16S rRNA. Netilmicin binds to four nucleotides of 16S rRNA and a single amino acid of protein S12. This interferes with the decoding site in the vicinity of nucleotide 1400 in 16S rRNA of 30S subunit. This region interacts with the wobble base in the anticodon of tRNA. This leads to interference with the initiation complex, misreading of mRNA so incorrect amino acids are inserted into the polypeptide. This results in nonfunctional and toxic peptides and the bacterium is unable to synthesize crucial proteins.

General description

Chemical structure: aminoglycoside

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H360

Hazard Classifications

Repr. 1B

存储类别

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

法规信息

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分析证书(COA)

Lot/Batch Number
0000098737
0000098737
0000202387
0000202387
0000081855

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L Dubé et al.
European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology, 31(10), 2545-2547 (2012-03-08)
Aminoglycosides are recommended for the treatment of Enterococcus faecalis infections, especially in severe and bacteremic infection. However, the optimal aminoglycoside or the optimal dosage remains uncertain. This study aimed to compare the activity of four aminoglycosides against E. faecalis (gentamicin
W E Siegenthaler et al.
The American journal of medicine, 80(6B), 2-14 (1986-06-30)
This article presents an overview of the aminoglycoside antibiotics used in clinical practice. Facts concerning the discovery and properties of the aminoglycosides are followed by information about spectrums of activity and mechanisms of action and resistance. Individual compounds are compared
Chengwei Liu et al.
Se pu = Chinese journal of chromatography, 29(2), 157-161 (2011-05-24)
A method was developed for the direct determination of netilmicin in rat serum using high performance liquid chromatography and resonance Rayleigh scattering (RRS). The separation was carried out on a C18 column with the isocratic elution of the mixture of
J Patzer et al.
The Journal of antimicrobial chemotherapy, 18(1), 45-49 (1986-07-01)
Pseudomonas aeruginosa strains, 1285 in total, were isolated from hospitalized children in the period 1981-1984. Serotypes 011 and 06 and nontypable strains were the most frequently identified. 44.6% of serotype 011 strains and between 12.4 and 37.7% of other serotypes
D W McEniry et al.
The Journal of antimicrobial chemotherapy, 21(2), 171-175 (1988-02-01)
Pseudomonas pseudomallei is resistant to many antimicrobial agents. We determined the susceptibility to twelve beta-lactams and six aminoglycosides of twelve isolates of P. pseudomallei. Imipenem (MIC range 0.5-1.0 mg/l; MIC90 1.0 mg/l), ceftazidime (MIC range 1-8 mg/l; MIC90 8.0 mg/l)
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