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$35
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$30
50-499 Others
$25
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Product Description
Potassium Benzylpenicillin Powder is a beta-lactam antibiotic pharmaceutical active ingredient widely used in pharmaceutical and veterinary formulation development. Also known as penicillin G potassium, it is supplied as a high-quality API with controlled potency, analytical verification, and technical documentation support for professional manufacturing applications.
Potassium Benzylpenicillin, also called Penicillin G Potassium, is the potassium salt form of benzylpenicillin, a natural penicillin-class beta-lactam antibiotic. It is produced from fermentation-derived penicillin followed by purification and salt formation processes.
As a pharmaceutical active ingredient, potassium benzylpenicillin is characterized by its defined beta-lactam structure and is commonly supplied as a sterile powder or pharmaceutical-grade raw material for formulation applications.
For pharmaceutical procurement, buyers should evaluate potency, sterility requirements where applicable, impurity profile, moisture control, manufacturing process, analytical methods, and documentation package.
| Item | Specification |
|---|---|
| Product Name | Potassium Benzylpenicillin Powder |
| Alternative Name | Penicillin G Potassium; Benzylpenicillin Potassium |
| Product Category | Pharmaceutical Active Ingredient (API) / Beta-Lactam Antibiotic |
| Active Compound | Potassium Benzylpenicillin |
| CAS Number | 113-98-4 |
| Molecular Formula | C16H17KN2O4S |
| Molecular Weight | 372.48 g/mol |
| Appearance | White or almost white crystalline powder |
| Potency | Common pharmaceutical grades are specified by antibiotic activity units according to API standards |
| Identification | Conforms to benzylpenicillin potassium reference standard identification requirements |
| Standard Test Method | HPLC and microbiological potency assay |
| Production Method | Fermentation-derived production, purification, and potassium salt formation |
| Solubility | Freely soluble in water |
| Particle Size | Fine powder; customized according to formulation requirements |
| Moisture Content | Controlled according to pharmaceutical ingredient specifications |
| Residual Solvents | Controlled according to pharmaceutical quality requirements |
| Microbial Quality | Controlled according to applicable pharmaceutical standards |
| Shelf Life | Typically 24 months under recommended storage conditions |
| Storage | Store tightly sealed in a cool, dry place protected from moisture, heat, and direct light |
| Packaging | Pharmaceutical-grade aluminum foil bags or sealed containers; bulk packaging customized according to requirements |
The key sourcing factor for potassium benzylpenicillin is pharmaceutical-grade quality management. As a beta-lactam antibiotic API, evaluation should focus on potency, chemical identity, impurity profile, sterility requirements, and manufacturing consistency rather than appearance alone.
| Evaluation Factor | Why It Matters | Buyer Consideration |
|---|---|---|
| Potency Specification | Defines antibiotic activity level | Review microbiological assay results and API specifications |
| Chemical Identity | Confirms correct potassium salt structure | Verify HPLC and identification testing |
| Sterility Control | Important for sterile pharmaceutical applications | Confirm requirements according to final dosage form |
| Impurity Profile | Supports pharmaceutical consistency | Review related substances and quality documentation |
Penicillin-class APIs are commonly evaluated by biological activity as well as chemical analysis. Potency testing helps manufacturers confirm antibiotic activity and maintain consistent quality between batches.
Potassium Benzylpenicillin quality control focuses on antibiotic potency, chemical identification, impurity management, and pharmaceutical quality systems.
COA, TDS, SDS, and technical documentation can be provided for pharmaceutical ingredient evaluation and procurement processes.
Potassium Benzylpenicillin Powder is supplied in sealed pharmaceutical-grade packaging designed to protect product quality during storage and transportation.
The product should be stored in a cool and dry environment, protected from moisture, heat, and direct light. Proper storage helps maintain API stability and quality.
Potassium Benzylpenicillin can support pharmaceutical projects requiring API sourcing, potency specification review, technical documentation, and customized packaging solutions according to project requirements.
Potassium benzylpenicillin is the potassium salt form of benzylpenicillin, a beta-lactam antibiotic pharmaceutical ingredient commonly known as Penicillin G Potassium.
Potency testing evaluates antibiotic activity and helps ensure consistent pharmaceutical quality. It is an important parameter alongside chemical identification and purity analysis.
Buyers should evaluate potency, chemical form, impurity profile, sterility requirements, analytical methods, manufacturing controls, and technical documentation.
Potassium benzylpenicillin powder should be stored in tightly sealed packaging under cool and dry conditions, protected from moisture, heat, and direct light.
Potassium Benzylpenicillin Powder is a pharmaceutical beta-lactam antibiotic API requiring accurate potency verification, impurity control, and reliable analytical documentation. With controlled fermentation quality and professional supply support, it provides a dependable raw material solution for pharmaceutical formulation projects. Contact us today to request samples, a COA, technical documents, and a wholesale quotation for Potassium Benzylpenicillin Powder.

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