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Merck

C0378

Chloramphenicol

≥98% (HPLC)

Sinónimos:

D-(−)-threo-2,2-Dichloro-N-[β-hydroxy-α-(hydroxymethyl)-β-(4-nitrophenyl)ethyl]acetamide, D-(−)-threo-2-Dichloroacetamido-1-(4-nitrophenyl)-1,3-propanediol, D-threo-2,2-Dichloro-N-[β-hydroxy-α-(hydroxymethyl)-4-nitrophenethyl]acetamide, Chloromycetin

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About This Item

Fórmula lineal:
Cl2CHCONHCH(CH2OH)CH(OH)C6H4NO2
Número CAS:
56-75-7
Peso molecular:
323.13
UNSPSC Code:
51102831
NACRES:
NA.76
PubChem Substance ID:
24892250
EC Number:
200-287-4
Beilstein/REAXYS Number:
2225532
MDL number:
MFCD00078159

Nombre del producto

Chloramphenicol, ≥98% (HPLC)

InChI key

WIIZWVCIJKGZOK-RKDXNWHRSA-N

InChI

1S/C11H12Cl2N2O5/c12-10(13)11(18)14-8(5-16)9(17)6-1-3-7(4-2-6)15(19)20/h1-4,8-10,16-17H,5H2,(H,14,18)/t8-,9-/m1/s1

SMILES string

OC[C@@H](NC(=O)C(Cl)Cl)[C@H](O)c1ccc(cc1)[N+]([O-])=O

assay

≥98% (HPLC)

form

powder or crystals

pKa 

5.5

mp

149-153 °C (lit.)

antibiotic activity spectrum

Gram-negative bacteria
Gram-positive bacteria
mycobacteria
mycoplasma

mode of action

protein synthesis | interferes

storage temp.

room temp

Quality Level

200

Gene Information

human ... CYP1A2(1544)

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Biochem/physiol Actions

Modo de acción: Inhibe la traducción en las subunidades de ribosomas 50S en la peptidiltransferasa (inhibición de elongación). Bacteriostático.
Modo de resistencia: Acetilación por cloranfenicol-acetiltransferasa (gen cat).

Application

Chloramphenicol is a synthetic antibiotic, isolated from strains of Streptomyces venezuelae. It is often used for bacterial selection in molecular biology applications at 10-20μg/mL and as a selection agent for transformed cells containing chloramphenicol reistance genes.
Chloramphenicol has been used as a bacteriostatic non potent antibiotic. It has been used for the selection/growth of positive bacterial cells.

Disclaimer

Stock solutions should be stored at 2-8°C and are stable at 37°C for 5 days. Aqueous solutions are neutral and stable over a wide pH range, with 50% hydrolysis occurring after 290 days. Use of a borax buffered solution reduces this number to 14%. Solutions should be protected from light as photochemical decomposition results in a yellowing of the solution. Heating aqueous solutions at 115°C for 30 minutes results in a 10% loss of chloramphenicol.

General description

Chemical structure: phenicole

Other Notes

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

Preparation Note

Degradation of chloramphenicol in aqueous solution is catalyzed by general acids and bases. This rate of degradation is independent of the ionic strength and pH.

pictograms

Health hazardCorrosion
GHS08,GHS05

signalword

Danger

Hazard Classifications

Carc. 2 - Eye Dam. 1 - Repr. 2

Clase de almacenamiento

11 - Combustible Solids

wgk

WGK 3

ppe

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

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Certificados de análisis (COA)

Lot/Batch Number
0000474736
0000474736
0000462289
0000462289
0000453336

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International Journal of Poultry Science, 9, 1031-1037 (2010)
Kyle J Wayne et al.
Journal of bacteriology, 192(17), 4388-4394 (2010-07-14)
The WalRK two-component regulatory system coordinates gene expression that maintains cell wall homeostasis and responds to antibiotic stress in low-GC Gram-positive bacteria. Phosphorylated WalR (VicR) of the major human respiratory pathogen Streptococcus pneumoniae (WalR(Spn)) positively regulates transcription of several surface
Expression and Purification of the Arabidopsis E4 SUMO Ligases PIAL1 and PIAL2.
Tomanov K and Bachmair A
Bio-protocol null
Joanna Szczepaniak et al.
Nature communications, 11(1), 1305-1305 (2020-03-13)
Coordination of outer membrane constriction with septation is critical to faithful division in Gram-negative bacteria and vital to the barrier function of the membrane. This coordination requires the recruitment of the peptidoglycan-binding outer-membrane lipoprotein Pal at division sites by the
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