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51454

Sigma-Aldrich

Methicillin sodium salt

≥95% (HPLC)

Synonym(s):

Sodium (2,6-dimethoxyphenyl)penicillin, Sodium methicillin

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About This Item

Empirical Formula (Hill Notation):
C17H19N2NaO6S
CAS Number:
Molecular Weight:
402.40
EC Number:
MDL number:
UNSPSC Code:
51283503
PubChem Substance ID:
NACRES:
NA.85

biological source

synthetic

Assay

≥95% (HPLC)

form

powder

color

white to off-white

antibiotic activity spectrum

Gram-positive bacteria

Mode of action

cell wall synthesis | interferes

storage temp.

2-8°C

SMILES string

[Na+].COc1cccc(OC)c1C(=O)N[C@H]2C3SC(C)(C)[C@@H](N3C2=O)C([O-])=O

InChI

1S/C17H20N2O6S.Na/c1-17(2)12(16(22)23)19-14(21)11(15(19)26-17)18-13(20)10-8(24-3)6-5-7-9(10)25-4;/h5-7,11-12,15H,1-4H3,(H,18,20)(H,22,23);/q;+1/p-1/t11-,12+,15-;/m1./s1

InChI key

MGFZNWDWOKASQZ-UMLIZJHQSA-M

Related Categories

Application

Methicillin is used to study bacterium susceptibility , methicillin-resistance in Staphylococcus aureus , and to inhibit cell-wall synthesis .

Biochem/physiol Actions

Methicillin inhibits cell wall synthesis. In Legionella pneumophila, methicillin causes the formation of membranous lesions through which cytoplasmic contents are lost .

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Other Notes

Keep container tightly closed in a dry and well-ventilated place.Light sensitive

Pictograms

Health hazardExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Paweł Kwiatkowski et al.
International journal of molecular sciences, 21(19) (2020-10-01)
This study aimed to determine the effect of selected essential oil compounds (EOCs) on the antibacterial activity of β-lactam antibiotics (βLAs) against methicillin-resistant Staphylococcus aureus (MRSA) strains. The following parameters were studied: antibiotic susceptibility testing, detection of mecA gene and
Alex J McCarthy et al.
Veterinary dermatology, 23(4), 267-275 (2012-07-25)
Meticillin-resistant Staphylococcus aureus (MRSA) continues to pose a major threat to human health. In animals, MRSA has become established as a veterinary pathogen in pets and horses; in livestock, it presents a concern for public health as a reservoir that
F G Rodgers et al.
Journal of medical microbiology, 31(1), 37-44 (1990-01-01)
The response of Legionella pneumophila to antibiotics that inhibit cell-wall, protein and DNA synthesis was examined by electronmicroscopy, MIC estimations and viable counts. Ampicillin, cefotaxime, methicillin, erythromycin, rifampicin and ciprofloxacin, each used separately at 20 times their respective MIC values
Yong Pil Chong et al.
Antimicrobial agents and chemotherapy, 57(3), 1509-1512 (2012-12-21)
We describe the genetic and microbiological characteristics of methicillin-resistant Staphylococcus aureus (MRSA) bloodstream isolates with agr dysfunction from a tertiary-care hospital in Korea. Of these, ST5-SCCmec type II-agr group II MRSA isolates, which are known to be prevalent in hospital-acquired
Kathleen Gutierrez et al.
Emerging infectious diseases, 19(1), 10-20 (2012-12-25)
We conducted a retrospective, observational, population-based study to investigate the effect of staphylococcal infections on the hospitalization of children in California during 1985-2009. Hospitalized children with staphylococcal infections were identified through the California Office of Statewide Health Planning and Development

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