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Clindamycin HCl/Phosphate

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Clindamycin HCl/Phosphate
Quick Facts
CAS Number21462-39-5 (HCl) / 24729-96-2 (Phosphate)
Molecular FormulaC18H33ClN2O5S · HCl (HCl) / C18H34ClN2O8PS (Phosphate)
Molecular Weight461.44 (HCl) / 504.96 (Phosphate)
PharmacopoeiaBP/USP/CEP/EP/CPV
Packaging25 KG/DRUM
USP Standard EP/BP Standard GMP Certified

Product Overview

Clindamycin HCl/Phosphate is a lincosamide antibiotic phosphate ester and a semi-synthetic derivative of lincomycin. It has superior oral absorption and broader activity compared to its parent compound, effective against most Gram-positive bacteria and anaerobes in human medicine.

Clindamycin inhibits bacterial protein synthesis at the 50S ribosomal subunit. Clindamycin Phosphate is a water-soluble prodrug for parenteral (IV/IM) and topical formulations. It is rapidly hydrolyzed in vivo to active clindamycin. It achieves excellent tissue and abscess penetration.

Quality Specifications

PurityAs per USP monograph
Residual SolventsCompliant with ICH Q3C
Heavy MetalsCompliant with pharmacopoeia limits
GMP StatusManufactured under GMP conditions

Pharmaceutical Applications

  • Anaerobic infections: Intra-abdominal and pelvic anaerobic infections
  • Skin and soft tissue infections: Cellulitis, abscesses, and wound infections
  • Bacterial vaginosis: Topical and oral formulations
  • Acne vulgaris: Topical formulations for moderate to severe acne
  • Surgical prophylaxis: Alternative in penicillin-allergic patients
Standards: BP/USP/CEP/EP/CPV  |  CAS: 21462-39-5 (HCl) / 24729-96-2 (Phosphate)  |  Quality data verified against pharmacopoeia monograph COA and MSDS available  |  DrugBank  |  June 2026

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