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Attend the Shanghai CPHI exhibition in June 2025.

The production process of pharmaceutical intermediate raw materials involves multiple stages, including raw material preparation, chemical reactions, product separation, and purification. During the production process, it is essential to strictly control reaction conditions and optimize process parameters to ensure the quality and yield of the intermediates. At the same time, quality control of pharmaceutical intermediate raw materials is also critically important. Quality control encompasses raw material control, process control, and finished-product control, all aimed at ensuring the intermediates’ safety, efficacy, and stability.

2026-01-20

In May 2025, our company will participate in the Guangzhou API Exhibition.

Active pharmaceutical ingredient (API) intermediates are an indispensable part of the pharmaceutical industry, playing a crucial role in both drug research and development as well as in the manufacturing process. API intermediates refer to specific chemical entities that appear during the drug synthesis process, situated between the initial starting materials and the final pharmaceutical product. These intermediates serve as a bridge, linking the foundational raw materials to the finished API and thus playing a pivotal role in the overall drug synthesis pathway.

2026-01-20

Covers technical services as well as various chemical products, APIs, and intermediates.

Our company is a diversified enterprise with a broad range of business activities, covering technical services as well as various fields including chemical products and pharmaceutical intermediates.

2026-01-18

Dedicated to building a modern chemical production system that is safe, efficient, and environmentally friendly.

Only by ensuring safety, improving efficiency, and protecting the environment can the chemical industry achieve long-term development.

2026-01-16

Characteristics of the pharmaceutical intermediate industry

Products are updated rapidly: Due to intense market competition, the profit margins of a product tend to decline significantly after 3 to 5 years of production, forcing manufacturers to continuously develop new pharmaceutical intermediates and constantly improve their processes.

2026-01-14

The core role of pharmaceutical intermediates

Pharmaceutical intermediates are intermediate products generated through a series of chemical reactions during the synthesis of chemical drugs, and they serve as precursors for the further synthesis of active pharmaceutical ingredients (APIs). These intermediates do not possess full pharmacological activity on their own; rather, they must undergo subsequent processes such as molecular structure modification and purification before they can be transformed into APIs with therapeutic effects.

2026-01-13

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Contact Information

Phone:+86-13962407888

Phone:+86-13962402532

mmq@szqtpharm.com

Address

No. 488, Shan Nan West Road, Shaxi Town, Taicang City

Main products

Propylthiouracil pharmaceutical grade

Propylthiouracil for thyroid treatment

Propylthiouracil chemical compound

Propylthiouracil raw material

Propylthiouracil high purity

Propylthiouracil api powder

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