Description

Dl-Chloramphenicol CAS NO 2787-09-9 is a broad-spectrum antibiotic compound belonging to the class of synthetic antimicrobials. It is valued for its effectiveness against a wide range of Gram-positive and Gram-negative bacteria, including strains resistant to other antibiotics. This makes it a critical material for research and development in pharmaceutical synthesis, microbiology, and veterinary medicine.

Application

• Pharmaceutical Intermediate: Serves as a key starting material or reference standard in the synthesis of antibiotic formulations and active pharmaceutical ingredients (APIs).
• Microbiological Research: Used in laboratory settings to study bacterial mechanisms, antibiotic resistance, and for selective media preparation in cell culture.
• Veterinary Medicine: Employed in the development of treatments for bacterial infections in animals.
• Reference Standard: Acts as a high-purity analytical standard for quality control and assay development in pharmaceutical testing laboratories.
• Biochemical Studies: Utilized in research exploring protein synthesis inhibition at the molecular level.

Basic Information

Item	Detail
Product Name	Dl-Chloramphenicol
CAS No.	2787-09-9
Molecular Formula	C11H12Cl2N2O5
Molecular Weight	323.13 g/mol
Synonyms	Chloramphenicol (DL-form); DL-Chloramphenicol; (±)-Chloramphenicol; Racemic Chloramphenicol; 2,2-Dichloro-N-[(1R,2R)-1,3-dihydroxy-1-(4-nitrophenyl)propan-2-yl]acetamide (racemate); Antibiotic from *Streptomyces venezuelae* (racemic mixture); Chloromycetin (racemate); Paraxin
EINECS	220-492-0

Quality Control

Our Dl-Chloramphenicol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR), to ensure it meets high-grade standards suitable for research and industrial use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Specific Optical Rotation	-0.10° to +0.10° (c=5 in ethanol)

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.