35 Years of Source Manufacturing Excellence

High-Purity Pharmaceutical Intermediates & Custom Synthesis

Empowering global pharmaceutical innovators and R&D labs with rigorous regulatory compliance, consistent batch quality, and dedicated pilot scale-up services.

Global Compliance & Quality

35+

Years Experience

99.5%

Avg. Purity (GC/HPLC)

50+

Global Pharma Clients

100%

Traceable Batches

GMP Standards

Strict quality control systems ensuring full regulatory alignment.

Full Documentation

COA, MSDS, and TDS provided with every single batch.

Secure Logistics

Global export compliance and safe hazardous/non-hazardous transit.

Expert Support

Direct technical consultation with experienced senior chemists.

Our Golden Product & Service Matrix

Focused exclusively on high-barrier, high-purity pharmaceutical building blocks, targeted pipeline intermediates, and specialized synthesis capabilities.

ASK1 Inhibitors Advanced Intermediates
High-Barrier Target

ASK1 Inhibitors Intermediates

Custom / High-Barrier

High-barrier targeted kinase inhibitor intermediates representing high-margin, technically intensive pharmaceutical building blocks for advanced therapeutics.

Purity: ≥ 99.0% (HPLC)
Profile: Strict Impurity Control
Delivery: Custom Scale-Up
Inquire Availability
Diethyl Malonate Pharmaceutical Intermediate
Core Flagship

Diethyl Malonate

CAS: 105-53-3

Classic organic synthesis building block with massive global demand, serving as a cornerstone for vitamin and heterocyclic synthesis.

Purity: ≥ 99.5% (GC)
Grade: Pharmaceutical / Synthesis
Package: 200kg Galvanized Drum
View Specifications
Dimethyl Malonate Reagent
Core Building Block

Dimethyl Malonate

CAS: 108-59-8

Essential C4 diester reagent optimized for targeted drug synthesis, forming a complete series with Diethyl Malonate for seamless procurement.

Purity: ≥ 99.5% (GC)
Grade: Synthesis Grade
Package: 200kg Iron Drum
View Specifications
4,6-Dihydroxypyrimidine API Intermediate
High-Value Precursor

4,6-Dihydroxypyrimidine

CAS: 119-41-5

Critical heterocyclic building block extensively applied in the synthesis of antineoplastic agents, vitamin derivatives, and advanced APIs.

Purity: ≥ 99.0% (HPLC)
Grade: API Intermediate
Package: 25kg Fiber Drum
View Specifications
Triethyl Orthoformate Organic Synthesis Reagent
Broad-Spectrum Reagent

Triethyl Orthoformate

CAS: 122-51-0

Versatile orthoester synthesis reagent heavily relied upon in organic chemistry, antibiotic manufacturing, and heterocyclic ring construction.

Purity: ≥ 99.0% (GC)
Grade: Technical / Pharma
Package: 180kg Plastic Drum
View Specifications
Small Molecule Drug Series Intermediates
Pipeline Innovation

Small Molecule Drug Series

Series: CS944X / CS3158 / CS410

Advanced intermediates directly interfacing with cutting-edge innovative drug R&D pipelines, showcasing exceptional custom synthesis and research firepower.

Purity: ≥ 99.0% (HPLC)
Application: Innovative R&D
Scale: mg to kg Availability
Inquire Availability

Dedicated Scale-Up & Custom Synthesis Excellence

Unlike standard trading companies, Hongtai Pharma bridges the critical gap between bench-scale innovation and commercial manufacturing with full IP protection and complete analytical traceability.

High-Performance Catalyst Synergy

We supply essential organic strong-base reagents (DBU, DBN, TMG) that perfectly complement our core building blocks for anhydrous condensation and elimination reactions.

Rigorous Double-Verification Protocols

Every lot undergoes strict in-process telemetry and multi-sample GC/HPLC screening by certified analytical labs before release.

Dedicated Pilot Scale-Up (mg to kg)

Seamless transition from laboratory synthesis to pilot and commercial production, ensuring zero supply chain friction for global drug developers.

Strategic Partnership

Ready to Accelerate Your Pipeline?

Whether you require bulk supply of our flagship malonates or customized multi-step synthesis for proprietary drug candidates, our senior chemists are ready to deliver.

Connect with a Chemist