Clindamycin API Manufacturer & Bulk Supplier in India | Swapnroop Drugs & Pharmaceuticals

Introduction to Clindamycin API

Clindamycin API is an important semi-synthetic antibacterial pharmaceutical ingredient belonging to the lincosamide class of antibiotics. It is widely used in pharmaceutical formulations developed to treat various bacterial infections caused by susceptible microorganisms.

Clindamycin works by inhibiting bacterial protein synthesis. It binds to the 50S subunit of bacterial ribosomes and interferes with the production of essential proteins required for bacterial growth and survival.

Its antibacterial properties make it useful against several Gram-positive bacteria and anaerobic microorganisms. Clindamycin is available in different pharmaceutical forms, including capsules, injections, topical preparations, gels, creams, and vaginal formulations.

The pharmaceutical industry uses different chemical forms of clindamycin depending on the intended dosage form and application. These include Clindamycin Hydrochloride, Clindamycin Phosphate, and Clindamycin Palmitate Hydrochloride.

For pharmaceutical manufacturers, antibiotic formulation companies, API distributors, and procurement professionals, Clindamycin API represents an important ingredient within the anti-infective and antibacterial pharmaceutical segments.

Swapnroop Drugs & Pharmaceuticals focuses on pharmaceutical raw materials and API-related business enquiries, supporting professional customers seeking product information, technical specifications, and pharmaceutical sourcing assistance.

What Is Clindamycin API?

Clindamycin is a semi-synthetic lincosamide antibiotic developed from lincomycin through chemical modification.

It is used in pharmaceutical products for the treatment of infections caused by susceptible bacteria. Its mechanism of action involves binding to bacterial ribosomes and inhibiting protein synthesis.

Clindamycin has activity against several Gram-positive organisms and anaerobic bacteria. It is also used in certain topical pharmaceutical formulations for acne vulgaris.

Different pharmaceutical salt and ester forms are developed to support different dosage forms and routes of administration.

Key Product Information

Product Name: Clindamycin
Alternative Name: Clindamycin Hydrochloride
Chemical Class: Lincosamide Antibiotic
Pharmacological Class: Antibacterial Agent
CAS Number (Clindamycin Free Base): 18323-44-9
CAS Number (Clindamycin Hydrochloride): 21462-39-5
Molecular Formula (Free Base): C18H33ClN2O5S
Molecular Weight (Free Base): Approximately 425.0 g/mol
Molecular Formula (Hydrochloride): C18H34Cl2N2O5S
Molecular Weight (Hydrochloride): Approximately 461.44 g/mol
Physical Appearance: White or almost white powder, depending on the chemical form
Therapeutic Category: Antibiotic and Anti-infective
Primary Target: Bacterial 50S Ribosomal Subunit

Note: Clindamycin free base, hydrochloride, phosphate, and palmitate hydrochloride are different chemical forms. Their CAS numbers, molecular formulas, molecular weights, and pharmaceutical applications must be evaluated separately.

Chemical Structure and Properties of Clindamycin

Clindamycin has a characteristic lincosamide structure containing a sulfur-containing sugar component linked to a substituted pyrrolidine carboxamide group.

Its molecular structure is associated with the antibacterial activity responsible for inhibiting bacterial protein synthesis.

Important structural characteristics include:

Sulfur-containing sugar structure.
Substituted pyrrolidine ring.
Chlorine-containing functional group.
Multiple hydroxyl groups.
Amide linkage.
Characteristic stereochemical configuration.

Clindamycin is available in different pharmaceutical forms with different physicochemical characteristics.

Clindamycin Hydrochloride

Clindamycin hydrochloride is a commonly used pharmaceutical salt form.

CAS Number: 21462-39-5
Molecular Formula: C18H34Cl2N2O5S
Molecular Weight: Approximately 461.44 g/mol
Appearance: White or almost white crystalline powder.
Solubility: Very soluble in water.

Clindamycin Phosphate

Clindamycin phosphate is a water-soluble phosphate ester of clindamycin.

Molecular Formula: C18H34ClN2O8PS
Molecular Weight: Approximately 504.96 g/mol
Appearance: White to off-white crystalline powder.
Pharmaceutical Applications: Injectable and topical formulations.

Clindamycin phosphate is converted into active clindamycin through hydrolysis in biological systems.

Clindamycin Palmitate Hydrochloride

Clindamycin palmitate hydrochloride is an ester form developed for oral liquid pharmaceutical formulations.

It is hydrolyzed in the gastrointestinal tract to release active clindamycin.

Each chemical form should be specified separately when preparing product specifications, purchasing documents, and pharmaceutical regulatory submissions.

Mechanism of Action of Clindamycin

Clindamycin works by inhibiting bacterial protein synthesis through its interaction with the 50S subunit of bacterial ribosomes.

Ribosomes are essential cellular structures responsible for producing proteins required for bacterial growth, replication, and survival.

Clindamycin interferes with the translation process and prevents susceptible bacteria from producing essential proteins.

Its mechanism involves the following stages.

1. Binding to the 50S Ribosomal Subunit

Clindamycin binds to the 50S subunit of bacterial ribosomes, particularly interacting with the 23S ribosomal RNA.

2. Inhibition of Protein Synthesis

The interaction interferes with ribosomal activity and disrupts the translation process.

3. Interference with Peptide Formation

Clindamycin affects the production of bacterial proteins by interfering with peptide-chain formation and ribosomal function.

4. Antibacterial Activity

The inhibition of protein synthesis prevents susceptible bacteria from growing and multiplying.

Clindamycin is predominantly bacteriostatic at usual concentrations, although its activity may vary depending on the organism and drug concentration.

Pharmaceutical Applications of Clindamycin API

Clindamycin is used in different pharmaceutical formulations for infections caused by susceptible microorganisms.

Its antibacterial properties make it relevant to several therapeutic areas.

1. Skin and Soft Tissue Infections

Clindamycin is used in approved formulations for certain bacterial skin and soft tissue infections.

It has activity against susceptible Gram-positive organisms, including selected Staphylococcus and Streptococcus strains.

2. Anaerobic Bacterial Infections

Clindamycin demonstrates activity against several susceptible anaerobic bacteria.

It may be used in selected infections involving anaerobic organisms, depending on susceptibility and clinical requirements.

3. Respiratory Tract Infections

Certain respiratory tract infections caused by susceptible bacteria may be treated with clindamycin when clinically appropriate.

4. Bone and Joint Infections

Clindamycin is used in selected bone and joint infections caused by susceptible microorganisms.

Its suitability depends on the causative organism, susceptibility testing, and clinical guidelines.

5. Dental and Oral Infections

Clindamycin has applications in selected dental and oral infections caused by susceptible bacteria.

6. Acne Vulgaris

Topical clindamycin formulations are used for the treatment of acne vulgaris.

These products are designed to deliver the antibacterial ingredient directly to the skin.

7. Gynecological Formulations

Clindamycin phosphate is used in certain vaginal pharmaceutical preparations for the treatment of bacterial vaginosis.

Important: Clindamycin is not effective against viral infections. Appropriate antimicrobial susceptibility testing and responsible antibiotic use are important because bacterial resistance can develop.

Different Pharmaceutical Formulations of Clindamycin

Clindamycin API is incorporated into several pharmaceutical dosage forms depending on its chemical form and intended therapeutic application.

1. Clindamycin Capsules

Clindamycin hydrochloride is commonly used in oral capsule formulations.

These products are developed for systemic antibacterial treatment of susceptible infections.

2. Clindamycin Oral Suspension

Clindamycin palmitate hydrochloride is used in certain oral suspension formulations.

It provides a liquid dosage form that can be suitable for patients who require an alternative to solid oral preparations.

3. Clindamycin Injectable Formulations

Clindamycin phosphate is used in sterile injectable formulations for selected bacterial infections.

These products require specialized sterile manufacturing and pharmaceutical quality-control procedures.

4. Clindamycin Topical Gel

Topical clindamycin formulations are developed for dermatological applications, particularly acne vulgaris.

5. Clindamycin Cream

Clindamycin phosphate is used in certain topical and vaginal cream formulations.

6. Clindamycin Vaginal Formulations

Clindamycin phosphate is incorporated into approved vaginal preparations for bacterial vaginosis.

Each dosage form requires appropriate formulation development, excipient compatibility evaluation, stability testing, and regulatory approval.

Manufacturing and Quality Considerations for Clindamycin API

The manufacturing of Clindamycin API requires controlled chemical processing and appropriate quality assurance systems.

The final material must meet the applicable requirements for identity, assay, purity, and impurity profile.

Important manufacturing considerations include:

1. Raw Material Quality

Starting materials and manufacturing inputs should be evaluated for their quality and suitability.

2. Chemical Identity

The identity of clindamycin should be established through suitable analytical procedures.

3. Salt and Ester Formation

For clindamycin hydrochloride, phosphate, and palmitate forms, the manufacturing process must achieve the required chemical composition and product characteristics.

4. Assay and Purity

Validated analytical methods should be used to evaluate the API content and purity.

5. Related Substances

Process-related impurities and degradation products should be controlled according to the applicable product specification.

6. Residual Solvents

Residual solvent levels should comply with relevant pharmaceutical requirements.

7. Moisture Control

Water content should be evaluated according to the applicable chemical form and product specification.

8. Packaging and Storage

Appropriate pharmaceutical-grade packaging should protect the API against moisture, contamination, and unsuitable environmental conditions.

9. Batch Consistency

Manufacturing processes and quality-control procedures should ensure consistent product quality across batches.

Quality Control and Testing of Clindamycin API

Quality control is an essential part of antibiotic API manufacturing and pharmaceutical procurement.

The following analytical parameters may be evaluated depending on the applicable pharmacopoeial monograph and approved product specification.

1. Identification Testing

Identity testing confirms that the material corresponds to the specified clindamycin chemical form.

Appropriate methods may include infrared spectroscopy and chromatographic identification.

2. Assay

Assay testing determines the amount of active pharmaceutical ingredient present in the material.

The assay basis should be clearly defined for the specific salt or ester form.

3. Related Substances

Related-substance testing evaluates process-related impurities and degradation products.

4. Water Content

Water content testing helps determine whether the material meets the applicable specification.

5. Residual Solvents

Residual solvent testing evaluates the presence of organic solvents remaining from manufacturing.

6. Specific Optical Rotation

Optical rotation may be evaluated as part of the applicable quality-control requirements.

7. Appearance and Solubility

Physical appearance and relevant solubility characteristics should be evaluated against the approved specification.

8. Stability Testing

Stability studies help establish suitable storage conditions, packaging requirements, and retest periods.

Actual numerical limits should be obtained from the relevant pharmacopoeial monograph or approved product specification.

Pharmaceutical Documentation Required for Clindamycin API

Pharmaceutical manufacturers and API procurement professionals should evaluate relevant documentation before purchasing Clindamycin API.

Depending on the intended chemical form and destination market, the documentation package may include:

Certificate of Analysis (COA).
Technical Data Sheet (TDS).
Safety Data Sheet (SDS).
Product Specification Sheet.
Identification and Assay Reports.
Related Substances Report.
Residual Solvent Report.
Water Content Report.
Stability Study Information.
Manufacturing and GMP Documentation.
Batch Traceability Records.
Applicable Pharmacopoeial Compliance Documents.

The documentation should clearly identify whether the material is clindamycin base, hydrochloride, phosphate, or palmitate hydrochloride.

Regulatory Considerations for Clindamycin API in India

Clindamycin is an antibacterial pharmaceutical ingredient used in prescription medicines.

Its manufacturing, testing, distribution, and supply must comply with applicable Indian pharmaceutical regulatory requirements.

Important regulatory considerations include:

Applicable drug manufacturing licences.
Good Manufacturing Practices (GMP).
Pharmacopoeial quality standards.
Approved manufacturing processes.
Analytical method validation.
Impurity and degradation product controls.
Batch manufacturing documentation.
Appropriate packaging and labelling.
Import and export permissions, where applicable.
Regulatory requirements for the intended finished dosage form.

Manufacturers should also consider antimicrobial stewardship requirements and responsible antibiotic-use policies.

Why Quality Matters When Sourcing Clindamycin API

Quality assurance is essential when sourcing antibacterial pharmaceutical ingredients.

Pharmaceutical manufacturers should evaluate the following considerations before selecting a Clindamycin API supplier.

Verified Chemical Identity: Confirm the exact chemical form and corresponding CAS number.

Consistent Assay: Ensure the API meets the required assay and potency specifications.

Impurity Control: Evaluate related substances and degradation products.

Pharmacopoeial Compliance: Verify compliance with the applicable IP, BP, USP, or other required standard.

Analytical Documentation: Review the batch-specific Certificate of Analysis and supporting reports.

Manufacturing Quality: Evaluate the supplier's manufacturing systems and applicable GMP documentation.

Packaging and Storage: Confirm appropriate material protection and storage conditions.

Batch Traceability: Ensure complete quality and manufacturing documentation is available.

Clindamycin API Bulk Procurement and Pharmaceutical Supply

Bulk procurement of Clindamycin API requires coordination between pharmaceutical manufacturers, antibiotic formulation companies, distributors, and procurement departments.

Before purchasing, buyers should confirm the intended chemical form, required grade, applicable quality specifications, and regulatory documentation.

Important procurement considerations include:

Required chemical form.
CAS number and molecular identity.
Required pharmacopoeial grade.
Assay and purity specifications.
Related-substance profile.
Batch-specific Certificate of Analysis.
Packaging and storage requirements.
Manufacturing source.
Regulatory documentation.
Delivery and supply-chain arrangements.

A qualified pharmaceutical supplier should provide accurate product information and appropriate quality documentation for the intended manufacturing application.

Why Choose Swapnroop Drugs & Pharmaceuticals for API Sourcing?

Swapnroop Drugs & Pharmaceuticals focuses on pharmaceutical raw materials and API-related business enquiries.

We understand the importance of product quality, technical information, documentation, and professional communication in pharmaceutical procurement.

Our business approach emphasizes:

Pharmaceutical product information.
API and raw material sourcing enquiries.
Product specification discussions.
Quality documentation coordination.
Professional B2B communication.
Domestic and international business enquiries.
Customer-focused pharmaceutical sourcing assistance.

For Clindamycin API enquiries, buyers can contact Swapnroop Drugs & Pharmaceuticals to discuss applicable chemical forms, product specifications, documentation, and commercial sourcing requirements.

Product availability, manufacturing origin, and supply capability should be confirmed directly before any purchase commitment.

Future Outlook of Clindamycin in the Pharmaceutical Industry

Antibacterial medicines continue to play an important role in the treatment of bacterial infections.

Clindamycin remains an established lincosamide antibiotic with applications across oral, injectable, topical, and vaginal pharmaceutical formulations.

The pharmaceutical industry continues to focus on improving antibiotic manufacturing quality, formulation stability, analytical characterization, and regulatory compliance.

At the same time, antimicrobial resistance has increased the importance of appropriate antibiotic selection, susceptibility testing, and responsible prescribing.

For pharmaceutical manufacturers and API suppliers, Clindamycin remains a relevant ingredient within the anti-infective pharmaceutical segment.

Frequently Asked Questions (FAQs) About Clindamycin API

1. What is Clindamycin API?

Clindamycin API is a semi-synthetic lincosamide antibiotic used in pharmaceutical formulations for treating infections caused by susceptible bacteria.

2. What is the CAS number of Clindamycin?

The CAS number of clindamycin free base is 18323-44-9. Clindamycin hydrochloride has CAS number 21462-39-5.

3. What is the molecular formula of Clindamycin?

The molecular formula of clindamycin free base is C18H33ClN2O5S.

4. What is the molecular weight of Clindamycin?

Clindamycin free base has a molecular weight of approximately 425.0 g/mol, while clindamycin hydrochloride has a molecular weight of approximately 461.44 g/mol.

5. What is the mechanism of action of Clindamycin?

Clindamycin inhibits bacterial protein synthesis by binding to the 50S ribosomal subunit and interfering with the bacterial translation process.

6. What is the pharmaceutical classification of Clindamycin?

Clindamycin belongs to the lincosamide class of antibacterial medicines.

7. What are the pharmaceutical applications of Clindamycin?

Its applications include approved formulations for selected skin and soft tissue, anaerobic, respiratory, bone and joint, dental, and dermatological infections.

8. What is Clindamycin Phosphate?

Clindamycin phosphate is a water-soluble ester of clindamycin used in injectable, topical, and certain vaginal pharmaceutical formulations.

9. What is Clindamycin Hydrochloride?

Clindamycin hydrochloride is the hydrochloride salt of clindamycin and is commonly used in oral capsule formulations.

10. What quality tests are important for Clindamycin API?

Important quality tests may include identification, assay, related substances, residual solvents, water content, specific optical rotation, and stability testing.

11. What documents should buyers request for Clindamycin API?

Buyers should request a Certificate of Analysis, product specification, SDS, analytical reports, stability information, and applicable GMP and pharmacopoeial documentation.

12. Who can enquire about Clindamycin API?

Pharmaceutical manufacturers, antibiotic formulation companies, API distributors, and qualified pharmaceutical procurement organizations can enquire about Clindamycin API for legitimate pharmaceutical manufacturing requirements.

Conclusion

Clindamycin is an established semi-synthetic lincosamide antibiotic with important applications in the pharmaceutical industry.

Its ability to inhibit bacterial protein synthesis, activity against susceptible Gram-positive and anaerobic microorganisms, and availability in different pharmaceutical forms make it a valuable ingredient within the anti-infective segment.

For pharmaceutical manufacturers and procurement professionals, sourcing Clindamycin API requires careful evaluation of chemical identity, salt or ester form, assay, purity, impurity profile, pharmacopoeial compliance, and manufacturing quality.

Swapnroop Drugs & Pharmaceuticals welcomes professional pharmaceutical API and raw material enquiries.

Contact our team to discuss Clindamycin API product information, technical specifications, quality documentation, and bulk procurement requirements.

Swapnroop Drugs & Pharmaceuticals – Your Partner for Pharmaceutical API and Raw Material Sourcing.