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N3269

Sigma-Aldrich

Nafcillin sodium salt monohydrate

Sinónimos:

6-(2-Ethoxy-1-naphthamido)penicillin

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About This Item

Fórmula lineal:
C21H21N2O5SNa · H2O
Número de CAS:
7177-50-6
Peso molecular:
454.47
MDL number:
MFCD01941128
UNSPSC Code:
51283515
PubChem Substance ID:
24897636
NACRES:
NA.85

form

solid

antibiotic activity spectrum

Gram-positive bacteria

mode of action

cell wall synthesis | interferes

storage temp.

2-8°C

SMILES string

O.[Na+].CCOc1ccc2ccccc2c1C(=O)N[C@H]3C4SC(C)(C)[C@@H](N4C3=O)C([O-])=O

InChI

1S/C21H22N2O5S.Na.H2O/c1-4-28-13-10-9-11-7-5-6-8-12(11)14(13)17(24)22-15-18(25)23-16(20(26)27)21(2,3)29-19(15)23;;/h5-10,15-16,19H,4H2,1-3H3,(H,22,24)(H,26,27);;1H2/q;+1;/p-1/t15-,16+,19-;;/m1../s1

InChI key

OCXSDHJRMYFTMA-KMFBOIRUSA-M

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General description

Chemical structure: ß-lactam

Application

Nafcillin sodium is a narrow-spectrum β-lactam antibiotic. It is used to treat infections caused by Gram-positive bacteria, in particular, species of Staphylococci that are resistant to other penicillins. It has been used to study penicillin-binding proteins (PBPs), such as 2a, and heterogeneous expression of methicillin resistance in Staphylococcus aureus. It is a potential therapy of meningitis due to Staphylococcus aureus.

Biochem/physiol Actions

Nafcillin inhibits bacterial cell wall formation by inhibiting PBPs. The irreversible inhibition of the PBPs prevents the final crosslinking (transpeptidation) of the nascent peptidoglycan layer, which disrupts cell wall synthesis.

Other Notes

5g
Keep container tightly closed in a dry and well-ventilated place.

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Danger

Hazard Classifications

Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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H F Chambers et al.
Antimicrobial agents and chemotherapy, 31(12), 1982-1988 (1987-12-01)
Expression of methicillin resistance in heterogeneous strains of Staphylococcus aureus is enhanced by 2 to 5% NaCl in the medium and by selection with beta-lactam antibiotics. Resistance is associated with production of a penicillin-binding protein (PBP), PBP 2a, with low
W M Scheld et al.
The Journal of antimicrobial chemotherapy, 19(5), 647-658 (1987-05-01)
Co-trimoxazole was compared with nafcillin against Staphylococcus aureus in vitro and in the therapy of experimental Staph. aureus meningitis in rabbits. Co-trimoxazole (trimethoprim:sulphamethoxazole in a 1:20 ratio) was synergistic against 22/24 strains of Staph. aureus in vitro. The MBC90 of
Xin He et al.
Analytical biochemistry, 517, 9-17 (2016-10-27)
In this study, an anti-amoxicillin single chain variable fragment (ScFv) antibody was evolved by directional mutagenesis of a contact amino acid residue based on the analysis of virtual mutation. Comparison with its parental ScFv, the mutant showed highly improved affinity

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