C3787
Chloramphenicol succinate sodium salt
≥80% (HPLC)
Synonym(s):
Chloramphenicol α-succinate
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All Photos(3)
About This Item
Linear Formula:
C15H15Cl2N2O8Na
CAS Number:
Molecular Weight:
445.18
EC Number:
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.85
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Assay
≥80% (HPLC)
form
solid
solubility
H2O: 50 mg/mL
antibiotic activity spectrum
Gram-negative bacteria
Gram-positive bacteria
Mode of action
protein synthesis | interferes
SMILES string
[Na].O[C@@H]([C@@H](COC(=O)CCC(O)=O)NC(=O)C(Cl)Cl)c1ccc(cc1)N(=O)=O
InChI
1S/C15H16Cl2N2O8.Na.H/c16-14(17)15(24)18-10(7-27-12(22)6-5-11(20)21)13(23)8-1-3-9(4-2-8)19(25)26;;/h1-4,10,13-14,23H,5-7H2,(H,18,24)(H,20,21);;/t10-,13-;;/m1../s1
InChI key
RJOAHMNSYANTPN-OWVUFADGSA-N
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General description
Chemical structure: phenicole
Application
Chloramphenicol is often used for bacterial selection in molecular biology applications at 10-20 μg/mL and as a selection agent for transformed cells containing chloramphenicol reistance genes.
Biochem/physiol Actions
Chloramphenicol is a synthetic antibiotic, isolated from strains of Streptomyces venezuelae. It inhibits bacterial protein synthesis by blocking the peptidyl transferase step by binding to the 50S ribosomal subunit and preventing attachment of aminoacyl tRNA to the ribosome. It also inhibits mitochondrial and chloroplast protein synthesis and ribosomal formation of (p)ppGpp, de-pressing rRNA transcription.
Mode of Resistance: Use of chloramphenicol acetyltransferase will acetylate the product and inactivate it.
Antimicrobial Spectrum: This is a broad spectrum antibiotic against gram-positive and gram-negative bacteria, and is used mainly for ophthalmic and veterinary purposes.
Mode of Resistance: Use of chloramphenicol acetyltransferase will acetylate the product and inactivate it.
Antimicrobial Spectrum: This is a broad spectrum antibiotic against gram-positive and gram-negative bacteria, and is used mainly for ophthalmic and veterinary purposes.
Caution
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.
Preparation Note
Stock solutions can be prepared directly in the vial at any recommended concentration. A solution at 50 mg/mL in ethanol yields a clear, very faint, yellow solution. 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.
Other Notes
Keep container tightly closed in a dry and well-ventilated place.
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Carc. 2
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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G C Allen et al.
Applied and environmental microbiology, 56(4), 1025-1032 (1990-04-01)
Succinate- or oxygen-limited continuous cultures were used to study the influences of different concentrations of dissolved oxygen and ammonia on the growth, respiration, and polypeptide patterns of Bradyrhizobium sp. (Arachis) strain 3G4b20. During succinate-limited growth, molar growth yields on succinate
Studies on the mechanism of action of chloramphenicol. I. The conformation of chlioramphenicol in solution.
O JARDETZKY
The Journal of biological chemistry, 238, 2498-2508 (1963-07-01)
M W Stinson et al.
Journal of bacteriology, 119(1), 152-161 (1974-07-01)
The ability of succinate to repress the secretion of Pseudomonas lemoignei poly-beta-hydroxybutyrate depolymerase was a function of pH. Repression only occurred when the pH of the medium was 7.0 or less. At a higher pH, lack of sensitivity to succinate
Mode of action of chloramphenicol. III. Action of chloramphenicol on bacterial energy metabolism.
F E HAHN et al.
Journal of bacteriology, 69(2), 215-223 (1955-02-01)
M F Festing et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 39(4), 375-383 (2001-04-11)
Much toxicological research continues to be done using genetically undefined "outbred" stocks of mice and rats, although the case for using isogenic strains has been made repeatedly in the literature over a period of more than two decades. Also, very
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