| Custom Manufacturing
Custom Manufacturing

DSL Chemicals can review selected custom specialty aromatic derivative projects for customers requiring non-standard aromatic chemistry, difficult-to-source compounds, or customer-specific substitution patterns.

DSL Chemicals supports custom synthesis and custom manufacturing projects for fine chemicals, specialty chemicals, and pharmaceutical intermediates.

From kilogram-scale trials to larger production requirements, we help customers evaluate route practicality, raw material availability, process fit, quality requirements, and production coordination for suitable chemical projects.

DSL Chemicals operates R&D and pilot-scale resources that support custom synthesis and custom manufacturing projects from kilogram-scale trials to larger production requirements.

Through our production resources and long-term cooperation with qualified domestic manufacturers, we can coordinate scale-up planning and production support for suitable projects.

Practical Experience in Chemical Synthesis
Our technical team has long-term experience in organic intermediates and fine chemical synthesis.

In custom synthesis projects, we focus not only on whether a route is possible in the laboratory, but also on raw material availability, process practicality, equipment fit, cost control, quality requirements, and scale-up feasibility.

Over the years, DSL Chemicals has developed and supported a broad portfolio of chemical products, including nearly 700 chemical items across selected fine chemical and intermediate categories.
Main Facilities for Custom Manufacturing
  • Reaction Equipment
    • Glass-lined reaction vessels: 300-2,000 L
    • Stainless steel reaction vessels: 300-500 L
    • High-pressure vessels: 1 L, 5 L, 10 L, 50 L, 500 L
  • Distillation, Separation & Drying
    • Distillation equipment: 100-1,000 L
    • Fractionating tower: 10 m
    • Stainless steel centrifuge
    • Vacuum drying oven
    • Tray dryer
  • Analytical Instruments
    • HPLC
    • GC
    • GC-MS
    • UV and related analytical equipment
  • Pressure Capability
    • Pressure range: 5 mmHg to 125 kgf/M²
Main Reaction Capabilities
DSL Chemicals supports a range of reaction types commonly used in fine chemical and intermediate synthesis, including:
  • Halogenation, including fluorination, chlorination, bromination, and iodination
  • Condensation
  • Cyanation
  • Esterification
  • Diazotization
  • Nitration
  • Amination
  • Alkylation
  • Grignard reactions
  • Hydrogenation
  • Reduction, including NaBH₄ and iron-mediated reduction
  • Oxidation
  • Suzuki coupling
  • Lithiation
  • Friedel-Crafts reactions