High-Performance Chemical Solutions for the Pharmaceutical Industry
Reliable quality and regulatory compliance, backed by decades of expertise in organic peroxides and polymer additives
Meeting the Highest International Standards
Shandong Do Sender Chemicals Co., Ltd. supplies critical chemical intermediates and specialty products to the pharmaceutical industry worldwide. Our manufacturing facilities operate under stringent quality management systems, ensuring consistent product purity and batch-to-batch reliability.
Organic peroxides serve as essential free-radical initiators in the synthesis of active pharmaceutical ingredients (APIs) and fine chemical intermediates, enabling precise control over polymerization and oxidation reactions.
Metal alkyls and organometallic catalysts provide highly selective pathways for building complex molecular structures, supporting the production of intermediates used in drug formulation and advanced therapeutic development.
Polymer additives from our portfolio are engineered for pharmaceutical packaging applications, where biocompatibility, extractables control, and regulatory compliance are paramount.
Product Lines
Comprehensive chemical solutions designed to meet the rigorous demands of pharmaceutical manufacturing
Organic Peroxides
Free-radical initiators for API synthesis, fine chemical intermediates, and controlled polymerization processes in pharmaceutical manufacturing.
Learn more →Metal Alkyls & Organometallics
Highly selective Ziegler-Natta and metallocene catalysts enabling precise molecular construction for API intermediates and specialty polymers.
Learn more →Polymer Additives
Stabilizers, antioxidants, and processing aids engineered for pharmaceutical-grade packaging with low extractables and full regulatory compliance.
Learn more →Pharma-Grade Peroxides
Ultra-high-purity organic peroxides produced under GMP-aligned protocols, supported by comprehensive analytical documentation and COA traceability.
Learn more →Azo Initiators
Azobisisobutyronitrile and related compounds offering clean, non-oxygen-inhibiting initiation for pharmaceutical-grade polymer synthesis.
Learn more →Custom Synthesis & Toll Manufacturing
Tailored chemical solutions with dedicated project management, from lab-scale development through commercial production under confidentiality agreements.
Learn more →Featured Products
Key products trusted by pharmaceutical manufacturers worldwide
Perodox® B (Dicumyl Peroxide)
High-efficiency crosslinking and initiation agent for pharmaceutical polymer processing, with excellent thermal stability and controlled decomposition profile.
Read more →Diethylzinc (DEZ)
Versatile organozinc compound used as a chain-transfer agent and selective reducing agent in pharmaceutical intermediate synthesis.
Read more →Perodox® Antioxidant Series
Pharmaceutical-grade stabilizers providing long-term thermal and oxidative protection for drug packaging polymers, with full extractables documentation.
Read more →AIBN (Azobisisobutyronitrile)
Clean free-radical initiator for pharmaceutical-grade polymer synthesis, generating nitrogen gas as the sole by-product for minimal contamination risk.
Read more →Perodox® 14S (BPO)
Benzoyl peroxide in stabilized form for pharmaceutical applications, offering reliable initiation with enhanced handling safety.
Read more →DIBAL-H (Diisobutylaluminum Hydride)
Selective reducing agent widely employed in pharmaceutical synthesis for ester-to-aldehyde conversions and stereoselective reductions.
Read more →Pharmaceutical & Fine Chemicals Product Guide
DownloadNews & Events
Latest updates from Do Sender Chemicals
Do Sender Chemicals Expands Pharma-Grade Organic Peroxide Capacity
Our new GMP-aligned production line for pharmaceutical-grade organic peroxides is now operational, enhancing supply reliability for API manufacturers worldwide.
Read more →Get in Touch!
Connect with our pharmaceutical industry specialists to discuss your requirements