Overview
High-content Roxithromycin is a refined form of the macrolide antibiotic Roxithromycin, characterized by its enhanced purity (>98%) and potency. It is derived from erythromycin and modified to improve acid stability and bioavailability. This compound is particularly valued in pharmaceutical manufacturing for its reliable efficacy against Gram-positive and some Gram-negative bacteria. Roxithromycin works by inhibiting bacterial protein synthesis, binding to the 50S ribosomal subunit. Its high-content variant ensures consistent performance in drug formulations, making it a preferred choice for treating respiratory tract infections, skin infections, and sexually transmitted diseases caused by susceptible organisms.
Physical and Chemical Properties
High-content Roxithromycin appears as a white to off-white crystalline powder with a molecular weight of 837.06 g/mol. It is slightly soluble in water but dissolves readily in organic solvents like methanol and ethanol. The compound exhibits stability under recommended storage conditions but may degrade upon prolonged exposure to light or moisture. Key chemical properties include a melting point of 116-118°C and a well-defined infrared spectrum for identification. Its solubility profile and stability make it suitable for various pharmaceutical formulations, including tablets, capsules, and suspensions. Analytical methods such as HPLC are commonly employed to verify purity and potency.
Main Applications
The primary application of high-content Roxithromycin is in the production of antibiotic medications. It is extensively used to treat bacterial infections such as pharyngitis, bronchitis, pneumonia, and skin infections. Its broad-spectrum activity covers pathogens like Streptococcus pneumoniae, Staphylococcus aureus, and Mycoplasma pneumoniae. Beyond human medicine, Roxithromycin finds use in veterinary applications to treat infections in livestock and pets. The high-content variant ensures dosage accuracy and therapeutic effectiveness, reducing the risk of under- or over-dosing. Its stability also allows for inclusion in combination therapies and controlled-release formulations.
Safety and Storage
Handling high-content Roxithromycin requires adherence to safety protocols to avoid inhalation or skin contact. PPE such as gloves, goggles, and lab coats should be worn. In case of exposure, rinse affected areas thoroughly with water and seek medical advice if irritation persists. Storage conditions are critical to maintaining the compound's integrity. It should be kept in a tightly sealed container, protected from light, and stored at 2-8°C. Bulk quantities must be placed in a dry, well-ventilated area away from incompatible substances like strong oxidizers. Regular inspections for container integrity are recommended.
B2B Procurement Guide
When procuring high-content Roxithromycin, prioritize suppliers with GMP (Good Manufacturing Practice) certification to ensure quality and regulatory compliance. Request a detailed Certificate of Analysis (COA) specifying purity, impurities, and microbial limits. Batch-specific documentation is essential for traceability. Pricing varies based on purity (typically 98-99.5%) and order volume. Negotiate contracts with reliable suppliers who offer technical support and stable supply chains. Consider logistical requirements, such as cold chain transportation for large orders, to prevent degradation during transit. Audit supplier facilities periodically to verify adherence to quality standards.
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