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59349

Supelco

Ampicillin

analytical standard

Sinonimo/i:

D-(−)-α-Aminobenzylpenicillin

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About This Item

Formula empirica (notazione di Hill):
C16H19N3O4S
Numero CAS:
Peso molecolare:
349.40
Beilstein:
1090925
Numero CE:
Numero MDL:
Codice UNSPSC:
41116107
ID PubChem:
NACRES:
NA.24

Grado

analytical standard

Livello qualitativo

Saggio

≥95.0% anhydrous basis (NT)

Durata

limited shelf life, expiry date on the label

tecniche

HPLC: suitable
gas chromatography (GC): suitable

Impurezze

≤20% water

Punto di fusione

208 °C (dec.) (lit.)

applicazioni

clinical testing

Formato

neat

Temperatura di conservazione

2-8°C

Stringa SMILE

[H][C@]12SC(C)(C)[C@@H](N1C(=O)[C@H]2NC(=O)[C@H](N)c3ccccc3)C(O)=O

InChI

1S/C16H19N3O4S/c1-16(2)11(15(22)23)19-13(21)10(14(19)24-16)18-12(20)9(17)8-6-4-3-5-7-8/h3-7,9-11,14H,17H2,1-2H3,(H,18,20)(H,22,23)/t9-,10-,11+,14-/m1/s1
AVKUERGKIZMTKX-NJBDSQKTSA-N

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Descrizione generale

Chemical structure: β-lactam
Ampicillin belongs to the β-lactum group of antibiotics. It is used to treat bacterial infections via penetrating gram positive and gram negative bacteria. Its mode of action basically involves the inhibition of bacterial cell wall synthesis, thus leading to cell lysis.

Applicazioni

Ampicillin has been used as a reference compound in the determination of ampicillin free drug concentration in standard solution of human serum albumin by micellar liquid chromatography method.
Ampicillin is a semi-synthetic derivative of penicillin that functions as a broad-spectrum antibiotic. It has been used to study antibiotic resistance and penetration limitations, the synergy between multiple antibiotics, certain bloodstream infections, and has been used to develop PCR assays to detect resistance genes in cerebrospinal fluid.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Azioni biochim/fisiol

Mode of Action: Ampicillin is a semisynthetic penicillin and a ß-lactam antibiotic that inhibits bacterial cell-wall synthesis by inactivating transpeptidases on the inner surface of the bacterial cell membrane.

Mode of Resistance: Administration with ß-lactamase cleaves the ß-lactam ring of Ampicillin and inactivates it.

Antimicrobial Spectrum: Effective against both Gram-positive (similar to benzylpenicillin) and Gram-negative bacteria (similar to tetracyclines and chloramphenicol.

Confezionamento

This product is packaged in a bottomless glass bottle with the contents inside an inserted fused cone.

Avvertenza

This product has been reported stable as supplied at 25°C at 43% and 81% relative humidity for six weeks. Additional studies have shown that the stability of Ampicillin in solution is a function of pH, temperature and the identity of the buffer. It′s activity is quickly lost when stored above pH 7. Optimal storage conditions are suggested as 2-8°C, and pH 3.8-5 where its activity was retained at 90%+ for a week.

Nota sulla preparazione

Ampicillin is reported as slightly soluble in water, practically insoluble in alcohol, chloroform, ether and fixed oils but soluble in dilute acids or bases. The solution should not be autoclaved; a stock solution should be sterilized through filtration and stored frozen, where it will be stable for months.

Pittogrammi

Health hazard

Avvertenze

Danger

Indicazioni di pericolo

Classi di pericolo

Resp. Sens. 1 - Skin Sens. 1

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


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Sigma-Aldrich

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A new application of micellar liquid chromatography in the determination of free ampicillin concentration in the drug?human serum albumin standard solution in comparison with the adsorption
Stepnik KE, et al.
Talanta, 153, 1-7 (2016)
Analysis of three penicillin antibiotics (ampicillin, amoxicillin and cloxacillin) of several Iranian pharmaceutical companies by HPLC.
Ashnagar A and Naseri GN
Journal of Chemistry, 4(4), 536-545 (2007)
Rapid method for the determination of ampicillin residues in animal muscle tissues by high-performance liquid chromatography with fluorescence detection.
Luo W, et al.
Journal of Chromatography. B, Biomedical Sciences and Applications, 694(2), 401-407 (1997)
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Nucleic acids research, 42(17), e136-e136 (2014-07-31)
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