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Changzhou United Chemical Co., Ltd CUCHEM

ISO9001-certified manufacturer with over 30 years of experience in pharmaceutical and fine chemicals. Trusted by global partners for quality, integrity, and innovation.

Explore Our Products
CUCHEM Laboratory

About CUCHEM

Changzhou United Chemical Co., Ltd (CUCHEM), founded in 1992, is an ISO9001-certified enterprise specializing in the research, development, and production of pharmaceutical and fine chemicals.

With over 30 years of expertise in the chemical industry, we have built long-term partnerships with international clients and are recognized as a reliable and creditworthy supplier by manufacturers across Asia, Europe, and North America.

Our quality principle: "High quality and honesty to win international clients, full participations to create CUCHEM brand", drives every process and product we deliver.

  • ISO9001 Certified Manufacturer
  • 30+ Years of Industry Experience
  • Global Distribution Network
  • Dedicated R&D and Quality Control

Our Product Portfolio

We specialize in high-purity chemical compounds for pharmaceutical and industrial applications. Explore our core product lines.

Fine Chemicals

Fine Chemicals

High-purity specialty chemicals used in pharmaceuticals, agrochemicals, and advanced materials. Custom synthesis available.

  • Purity: ≥98%
  • Applications: APIs, Catalysts, Research
  • Packaging: 1kg, 5kg, 25kg drums
Pharmaceutical Intermediates

Pharmaceutical Intermediates

Key building blocks for drug synthesis. Strict GMP compliance and batch traceability ensure reliability.

  • Purity: ≥99%
  • Standards: USP, EP, JP
  • Scale: Pilot to Commercial
Nucleoside Series

Nucleoside Series

Advanced nucleoside analogs for antiviral, anticancer, and mRNA vaccine development. High stereochemical purity.

  • Purity: ≥99.5%
  • Types: Adenosine, Guanosine, Cytidine derivatives
  • Storage: -20°C, dry, dark
Custom Synthesis

Custom Synthesis Services

Tailored chemical synthesis from mg to kg scale. Fast turnaround and IP protection guaranteed.

  • Scale: Milligram to Kilogram
  • Turnaround: 2–8 weeks
  • Support: Full analytical data (HPLC, NMR, MS)
Process Development

Process Development

Optimization of synthetic routes for cost-efficiency, yield improvement, and environmental compliance.

  • Focus: Green chemistry, solvent reduction
  • Output: Scalable, robust processes
  • Support: DOE, PAT, QbD principles
Analytical Services

Analytical & QC Services

Comprehensive testing including HPLC, GC, NMR, MS, and elemental analysis for quality assurance.

  • Standards: ICH, USP, EP
  • Reports: Full CoA, stability data
  • Capacity: 24/7 lab operations
Agrochemical Intermediates

Agrochemical Intermediates

Building blocks for herbicides, insecticides, and fungicides. Designed for high efficacy and low environmental impact.

  • Purity: ≥97%
  • Types: Pyrethroids, Triazoles, Neonicotinoids
  • Compliance: EPA, EU REACH
Research Chemicals

Research Chemicals

Novel compounds for academic and industrial R&D. Ideal for screening, mechanism studies, and lead optimization.

  • Scale: Milligram to 100g
  • Purity: ≥95% (HPLC)
  • Delivery: Worldwide, tracked shipping

Why Choose CUCHEM?

We combine technical excellence with customer-centric values to deliver consistent, reliable chemical solutions.

ISO9001 Certified

Our quality management system ensures consistency, traceability, and compliance across all operations.

Global Reach

Trusted by clients in over 30 countries. Efficient logistics and customs documentation support.

R&D Driven

Dedicated team of chemists and engineers focused on innovation, process optimization, and new molecule development.

Customer Partnership

We believe in co-development and long-term collaboration. Your success is our mission.

Upcoming Events & News

Stay updated with our participation in global exhibitions and company milestones.

CPHI Shanghai 2025

Date: June 24–26, 2025

Venue: CPHI Exhibition Center, Shanghai, China

Stand: W4A22

Visit us at Asia's largest pharmaceutical ingredients exhibition. Let's discuss collaboration opportunities.

Schedule a Meeting →

CPHI Korea 2025

Date: August 26–28, 2025

Venue: Seoul, Korea

Stand: N26

Join us at CPHI Korea to explore cutting-edge chemical solutions for the pharmaceutical industry.

Contact Us for Details →

Company Travel – Dali, 2024

From July 2 to July 9, 2024, CUCHEM organized a team-building trip to Dali, China, strengthening internal collaboration and morale.

30+ Years of Excellence

Celebrating over three decades of innovation and trust in the chemical industry. Thank you to all our partners and team members.

Contact CUCHEM

For inquiries, collaborations, or product information, please visit our official website.

Visit Official Website

Corporate Office

5/F B FLAT, XINGBEI BUILDING,
NO.391 TONGJIANG ROAD
Changzhou, Jiangsu Province
China, 213 022

Contact Information

Tel: +86-519-8825 1268 / 8519 3302
Fax: +86-519-8519 3313
Email: manager@cuchem.com
Website: www.cuchem.com

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