Overview
Amylpenicillin, also known as penicillin G amyl ester, is a semi-synthetic derivative of penicillin G. It belongs to the β-lactam class of antibiotics and exhibits broad-spectrum activity against Gram-positive bacteria. The compound is primarily used in veterinary medicine due to its improved stability and absorption properties compared to penicillin G. Amylpenicillin is hydrolyzed in vivo to release the active form, penicillin G. This prodrug approach enhances bioavailability and prolongs therapeutic effects. While its use in human medicine is limited, it remains a valuable tool in research and animal health applications.
Physical and Chemical Properties
Amylpenicillin appears as a white to off-white crystalline powder with a molecular weight of 334.39 g/mol. It is sparingly soluble in water but dissolves readily in organic solvents like ethanol and dimethyl sulfoxide (DMSO). The compound decomposes at temperatures above 120°C, making it unsuitable for high-temperature processing. Its chemical structure includes a β-lactam ring, which is essential for antibacterial activity. The amyl ester group improves lipid solubility, facilitating better tissue penetration. Stability is a key consideration; amylpenicillin degrades under acidic or alkaline conditions and must be stored in controlled environments to prevent hydrolysis.
Main Applications
The primary application of amylpenicillin is in veterinary medicine, where it is used to treat bacterial infections in livestock and poultry. Its extended release and improved bioavailability make it advantageous for large-scale animal treatment programs. In research, amylpenicillin serves as a model compound for studying prodrug delivery systems and antibiotic resistance mechanisms. Occasionally, it is used in niche human therapeutic applications, though its use is restricted due to the availability of more modern antibiotics. Industrial applications include its role as an intermediate in synthesizing other penicillin derivatives.
Safety and Storage
Amylpenicillin must be handled with care due to its potential to cause allergic reactions, particularly in individuals sensitive to β-lactam antibiotics. Proper personal protective equipment (PPE), including gloves and goggles, is recommended during handling. Storage conditions are critical to maintaining stability. The compound should be kept in a cool (2-8°C), dry environment, protected from light and moisture. Long-term storage may require desiccants or inert atmospheres to prevent degradation. Disposal should comply with local regulations for antibiotic waste to minimize environmental impact.
B2B Procurement Guide
When procuring amylpenicillin, B2B buyers should prioritize suppliers with certified quality control processes. Key factors include purity (verified by HPLC or LC-MS), batch consistency, and compliance with Good Manufacturing Practices (GMP). Pricing varies based on purity (typically 95-99%) and order volume. Bulk purchases may attract discounts, but buyers should confirm stability data for large batches. Logistics planning is essential to ensure temperature-controlled transportation and avoid exposure to humidity. Contracts should specify testing protocols and liability for non-conforming products.
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