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Zhangjiagang Clent Chemical Co., Ltd. has cultivated a large international market including: pharmaceutical intermediates, dye intermediates, pesticide intermediates etc. especially in the aspect of organic synthetic intermediates. We have made great efforts in production efficiency improvement, management system establishment, quality control and systemic service providing. We have established favorable partnership with many clients from worldwide.

Clent Chemical is an excellent manufacturer of organic compounds. Our products including API&pharmaceutical intermediates and Organic synthesis intermediates.We has passed ISO 9001: 2018 quality system certification, strict internal management, product quality.We exported to Europe, the United States,Korea, Japan and other places.We served for these local pharmaceutical companies,research institutions, Enterprise factories etc..

In the production and quality control, we have numbers of experienced professionals, a first-class production equipment and laboratories. Clent Chemical is committed to pharmaceutical intermediates and other organic synthesis intermediates research and development, process optimization and can provide grams, to kilograms of products.In addition, we also provide custom synthesis and special design services.

Clent Chemical focus on the diversification of products, reliable quality, very competitive prices and quality services to create value for customers.

We provides custom synthesis of almost any organic compound. We offer intermediates, reference compounds, starting materials, and derivatives of lead compounds. Compounds are made to order in scales ranging from grams to multi- kilogram.

The customer provides literature methods or their own synthesis route in which all details (reaction times, solvents, temperatures, analytical data, purification methods, yields, etc.) are included. The more information provided, the shorter the timelines and the lower the price. If you have no technical information about the product that you want, we can give an estimate after we carefully review it.

Our chemists team will evaluate synthesis and determine whether to pursue the project. If so, we will provide an estimate of cost and delivery time. Due to the unpredictable nature of synthetic chemistry, all of our work is carried out on best effort basis. We can not guarantee that the product will be provided, but with our success rate of about 90%, it is more than likely that we can. If the product is not obtained, there will of course be no charge.

We provides custom synthesis of intermediates, monomers and templates for combinatorial chemistry, new analogs for SAR studies, metabolites, reference compounds and reagents for our sponsors.Our experienced procurement specialists in our Procurement Department are proficient at sourcing raw materials from in China, which brings to us the advantages of local accessibility and high quality at much lower cost.The scale of our custom synthesis ranges from grams to tons. Our facilities in Shaghai and Suzhouhave 50L, 100L, 300L, 1000L, and 3000L reactors and can support syntheses up to tons.


Infrastructure includes:
Experienced researchers in both theoretical and synthetic organic chemistry;
Flexible project development from lab scale to tons;
Extensive R&D and continuous new product development;
Process optimization and/or integrated design;
A wide range of reaction combinations with low temperature capability through production scale;
Multi-purpose test plants in close collaboration with Research and Analytical services;
Internal analysis services include 400mhz NMR, LC-MS, LC-GC, HPLC/GC;
CGMP Kilo-lab and cGMP pilot plant;
QA/QC;
Strong commitment to health and safety.
CGMP Kilo-lab and cGMP Pilot Plant;
QA/QC;
Strong commitment to EH&S.


CONTRACT MANUFACTURING
We has commercial production site,located in Yangzi Chemical Zone Jiangsu Zhangjiagang China. With the facility capable of handling up to multi-hundred-metric ton operation, Our benefits from its wide range production choices, which gives us the advantage to supply our customers with flexible lead-time.

Quality control at our commercial site covers following areas:
In-process quality control;
Batch analysis;
Ware-house labeling;
Release control;
Batch sample storage.

Equipment:
Glass-lined reactor: 1000L, 2000L, 3000L;
Stainless-steal reactor: 1000L,2000L;
Ceramic Reactors: 300L, 500L, 2000L;
Autoclaves:500L, 1000L;
Temperature range: -78℃to 230℃;
Pressure: up to 130psi;
High vacuum system: 1mmHg.


R&D PROCESS 
Our chemistry team works in the state-of-the-art laboratory, equipped with the latest analytical instruments.
Our chemists can perform rapid process development, reaction condition optimization and material mass production for our customers.

We can provide services in the following aspects:
Evaluation and development of new synthetic routes for target molecules.
Optimize the reaction conditions, reduce the cost and increase the output.
Develop reliable methods for in-process testing and analysis of intermediates and API.
Expand existing routes for jacketed glass reactors (5-100 liters) and stationary reactors (3,000 liters capacity).
Performance working under the condition of low temperature (-78 ℃)
Develop and transfer analytical methods.


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