In the realm of pharmaceutical manufacturing, the quality and reliability of intermediates are foundational to the success of drug production. Pyrrolo[2,3-d]pyrimidin-4-ol has emerged as a molecule of immense significance, particularly due to its pivotal role in the synthesis of Tofacitinib. NINGBO INNO PHARMCHEM CO.,LTD. is proud to be a key contributor to this sector, ensuring the availability of this vital chemical building block.
The significance of Pyrrolo[2,3-d]pyrimidin-4-ol lies in its direct contribution to the efficacy of Tofacitinib, a drug that has revolutionized the treatment of various autoimmune disorders. The complex Tofacitinib intermediate preparation demands intermediates of exceptional purity and consistency. Our commitment to achieving high assay values (>=98.0%) for Pyrrolo[2,3-d]pyrimidin-4-ol ensures that manufacturers can rely on our product for their critical processes. This focus on quality is what makes our CAS 3680-71-5 pharmaceutical intermediate a preferred choice in the industry.
Exploring different Pyrrolo[2,3-d]pyrimidin-4-ol synthesis methodologies is an ongoing effort at NINGBO INNO PHARMCHEM CO.,LTD. Our aim is to develop and refine processes that are not only efficient but also sustainable and cost-effective. These advancements in synthetic chemistry are crucial for making advanced therapies more accessible globally. The deep understanding of 7-Deazahypoxanthine applications further fuels our research, as we identify new avenues for utilizing this versatile compound in novel drug candidates.
At NINGBO INNO PHARMCHEM CO.,LTD., we view our role as more than just a supplier; we are partners in innovation. By providing meticulously produced Pyrrolo[2,3-d]pyrimidin-4-ol, we enable pharmaceutical companies to accelerate their research and development pipelines. This dedication to quality and continuous improvement in Pyrrolo[2,3-d]pyrimidin-4-ol synthesis supports the broader mission of advancing global healthcare and improving patient outcomes worldwide.
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.