The pharmaceutical industry relies on a vast array of chemical intermediates to synthesize active pharmaceutical ingredients (APIs) and complex molecular structures. Among these, 4,5-Diamino-1-(2-Hydroxyethyl)Pyrazole Sulfate (CAS 155601-30-2) stands out as a versatile compound with potential in various drug synthesis pathways. For research scientists and procurement specialists, understanding its properties and how to source it effectively is crucial.
This pyrazole derivative is characterized by its diamino and hydroxyethyl functionalities, making it a valuable building block for chemists engaged in organic synthesis. Its ability to participate in diverse chemical reactions allows for the construction of more intricate molecular frameworks relevant to medicinal chemistry. The sulfate salt form often enhances its water solubility, which can be advantageous in certain reaction conditions and purification processes.
When looking to buy pharmaceutical intermediates like 4,5-Diamino-1-(2-Hydroxyethyl)Pyrazole Sulfate, several factors must be considered. Primarily, the purity of the compound is non-negotiable. A high assay, typically ≥99.0%, ensures that the intermediate will perform reliably in synthesis, minimizing side reactions and the generation of impurities that could complicate downstream processing or affect the final API’s quality.
Reliable pharmaceutical intermediate suppliers are those who can consistently provide material that meets stringent specifications. This includes low levels of moisture, ash, and specific metal ions like iron, as indicated by standard analytical tests. Manufacturers who adhere to strict quality control protocols and provide Certificates of Analysis (CoA) are essential partners for any pharmaceutical company.
For those sourcing from China, identifying reputable manufacturers and suppliers is key. These partners can often offer competitive pricing while maintaining international quality standards. It is advisable to look for suppliers with experience in exporting pharmaceutical intermediates and who understand the documentation requirements for global shipments. Establishing a stable supply chain is vital for ongoing research and production timelines.
Beyond its pharmaceutical applications, this chemical is also recognized for its use in the cosmetics industry, particularly as a hair dye intermediate. This dual application underscores its versatility and importance in fine chemical manufacturing. Whether for R&D or bulk production, securing a consistent and high-quality supply is paramount.
In conclusion, the procurement of 4,5-Diamino-1-(2-Hydroxyethyl)Pyrazole Sulfate requires a thorough understanding of its chemical attributes and the importance of a robust supply chain. By partnering with experienced manufacturers and suppliers, pharmaceutical professionals can ensure the successful advancement of their drug development programs.
Seeking to purchase this pharmaceutical intermediate? Reach out to our team for competitive quotes and reliable sourcing solutions.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.