Last updated: April 26, 2026
Who supplies benzoyl peroxide (API and excipient-grade)?
Benzoyl peroxide is widely sourced in bulk for topical drug products (gels, creams, washes) and in industrial/consumer channels. Supplier lists below focus on companies that routinely sell benzoyl peroxide in bulk chemical catalogs, including multiple grades suitable for pharmaceutical formulation.
Common supplier categories (by end-use)
- API-grade / pharmaceutical-grade bulk chemical suppliers: provide benzoyl peroxide as a specialty chemical with traceability documentation for formulation use.
- Industrial chemical suppliers with pharmaceutical-grade offerings: sell benzoyl peroxide across grades; some lines support documentation needed by formulators.
Representative suppliers (global)
- Evonik (benzoyl peroxide product lines for polymer and specialty uses; often cross-listed for specialty chemical supply)
- Arkema (benzoyl peroxide specialty/peroxide offerings through chemical supply channels)
- Sigma-Aldrich / MilliporeSigma (benzoyl peroxide for laboratory and scale supply through distributor channels)
- TCI Chemicals (benzoyl peroxide sold in multiple pack sizes via chemical supply networks)
- Meryer / regional bulk chemical manufacturers (numerous regional producers supply benzoyl peroxide to downstream formulators through distributor networks)
Who supplies clindamycin phosphate (API)?
Clindamycin phosphate is a regulated antibiotic API used in topical products (notably clindamycin phosphate 1% solutions/gel/lotion). API sourcing is concentrated relative to benzoyl peroxide, with fewer global producers and more compliance-driven procurement.
Representative API suppliers (global)
- Hubei Keya (clindamycin phosphate API supply for downstream markets in China and export)
- Nanjing Chempharm / similar Chinese API manufacturers (clindamycin phosphate appears across multiple API catalogs with pharmaceutical documentation packages)
- AKUMS / Aurobindo / other Indian API manufacturing groups (clindamycin APIs are typically offered through API lines or contract manufacturing supply networks)
- Teva API supply network (API sourcing may occur through internal supply and contract distribution for certain markets)
- Distributors (catalog channels): pharmaceutical distributors frequently carry clindamycin phosphate API from approved manufacturer lines for formulation developers
What supplier model fits each chemical best?
Benzoyl peroxide procurement model
Benzoyl peroxide procurement usually works through:
- Bulk chemical suppliers for stable supply and pricing.
- Distributor channels for smaller formulation batches or rapid pilot runs.
- Grade selection (pharmaceutical formulation suitability) matters because benzoyl peroxide is sensitive to decomposition and impurities.
Clindamycin phosphate procurement model
Clindamycin phosphate procurement usually works through:
- API manufacturers with regulatory documentation (CoA, traceability, impurity reporting).
- Qualification of API suppliers by finished-product manufacturers or contract development and manufacturing organizations (CDMOs).
- Tighter incoming controls because it is a regulated antibiotic API.
Supplier shortlists by business need
If you need benzoyl peroxide for formulation
- Prioritize specialty chemical suppliers with multiple peroxide product lines and established bulk distribution.
- Use catalog/distributor channels for pilot scale, then qualify bulk sources.
If you need clindamycin phosphate API
- Prioritize API manufacturers that routinely supply regulated-grade antibiotics and provide full documentation packages for incoming quality control.
- Use distributor channels only when they clearly disclose the underlying API manufacturing site(s) and provide traceability.
Key specifications to request from suppliers
Benzoyl peroxide
- Assay and impurity profile (relevant for stability and irritation tolerance)
- Particle size distribution (for topical uniformity and suspension behavior)
- Bulk density and moisture handling specs (for consistent metering)
Clindamycin phosphate
- API assay and water content (where applicable for the salt form)
- Specific impurities and limits (antibiotic impurity profile is critical)
- Polymorph/solid-state information (where provided) and traceability
Key Takeaways
- Benzoyl peroxide has a broader supplier base through specialty/peroxide chemical networks; procurement can be diversified across bulk and distributor channels.
- Clindamycin phosphate API sourcing is more compliance-driven with a narrower set of manufacturer routes and heavier reliance on supplier qualification.
- For both, procurement success depends on documentation quality (CoA, impurity reporting, traceability) and alignment of grade to topical formulation requirements.
FAQs
1. Can benzoyl peroxide be sourced from specialty chemical suppliers instead of pharma-only API suppliers?
Yes. Benzoyl peroxide is commonly supplied through specialty/peroxide chemical channels for downstream formulation use, provided the supplier grade aligns with your formulation and documentation requirements.
2. Is clindamycin phosphate sourcing usually limited to fewer API manufacturers?
Yes. Antibiotic API supply is concentrated and procurement is driven by documentation, quality system maturity, and impurity reporting.
3. What supplier documentation matters most for clindamycin phosphate?
CoA detail (assay and impurity profile), batch traceability, and incoming quality data that allow finished-product manufacturers to qualify the API.
4. Do distributors work for clindamycin phosphate?
They can, but the critical factor is transparency on the underlying API manufacturing site and the completeness of traceability and documentation.
5. What is the procurement risk difference between benzoyl peroxide and clindamycin phosphate?
Benzoyl peroxide procurement risk is more about stability and handling of a reactive peroxide chemical; clindamycin phosphate risk is more about regulated API quality and impurity control.
References
[1] MilliporeSigma. “Benzoyl peroxide” product catalog entry. (Accessed 2026-04-27).
[2] TCI Chemicals. “Benzoyl peroxide” product listing. (Accessed 2026-04-27).
[3] Evonik. Specialty chemicals product information for benzoyl peroxide/peroxide offerings. (Accessed 2026-04-27).
[4] Arkema. Peroxide/specialty chemical offerings including benzoyl peroxide. (Accessed 2026-04-27).
