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Merck
CN

N3269

Nafcillin sodium salt monohydrate

Synonym(s):

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

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About This Item

Linear Formula:
C21H21N2O5SNa · H2O
CAS Number:
7177-50-6
Molecular Weight:
454.47
NACRES:
NA.85
PubChem Substance ID:
24897636
UNSPSC Code:
51283515
MDL number:
MFCD01941128

Key Documents

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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

SMILES string

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

InChI key

OCXSDHJRMYFTMA-KMFBOIRUSA-M

form

solid

antibiotic activity spectrum

Gram-positive bacteria

mode of action

cell wall synthesis | interferes

storage temp.

2-8°C

Quality Level

200

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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.

General description

Chemical structure: ß-lactam

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

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

Regulatory Information

涉药品监管产品
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Certificates of Analysis (COA)

Lot/Batch Number
0000288980
0000246375
0000231232
0000222817
0000222817

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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
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
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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