For R&D scientists and procurement managers in the chemical and pharmaceutical industries, sourcing high-quality raw materials is paramount. Among these, 2,5-DIPHENYL-4,6-PYRIMIDINEDIOL (CAS 29133-86-6) stands out as a valuable fine chemical, often utilized as a crucial intermediate in complex organic synthesis and pharmaceutical development. Understanding the nuances of purchasing this compound, especially from international suppliers, is key to ensuring project success and cost-effectiveness. This guide aims to provide insights for buyers looking to procure 2,5-DIPHENYL-4,6-PYRIMIDINEDIOL from China, focusing on purity, reliability, and competitive pricing.

Understanding the Product: Purity and Specifications

2,5-DIPHENYL-4,6-PYRIMIDINEDIOL, identified by CAS number 29133-86-6, is a chemical compound characterized by its pyrimidine core with phenyl substituents and hydroxyl groups. Typically supplied as a white to off-white powder, its most critical specification for buyers is purity. High-purity grades, often exceeding 99.0%, are essential for applications in pharmaceutical intermediates and advanced organic synthesis where precise reactions and minimal by-products are critical. Buyers should always request a Certificate of Analysis (COA) to verify the purity and other relevant specifications like melting point (>300 °C) and identify any potential impurities. The GHS classification (GHS07, Warning) also highlights the need for appropriate handling procedures.

Why Source from China? Advantages for Buyers

China has emerged as a global powerhouse in fine chemical manufacturing, offering significant advantages for international buyers. When looking to buy 2,5-DIPHENYL-4,6-PYRIMIDINEDIOL, sourcing from reputable Chinese manufacturers and suppliers can offer:

  • Competitive Pricing: Due to economies of scale and efficient production processes, Chinese suppliers often provide highly competitive prices for bulk orders of fine chemicals. This makes it attractive for companies seeking to optimize their procurement budgets.
  • Large Supply Capacity: Many Chinese manufacturers have the capacity to produce substantial quantities, often exceeding 100 tons, ensuring a stable supply for ongoing production needs.
  • Extensive Product Range: The Chinese chemical industry offers a vast array of intermediates and fine chemicals, making it a one-stop solution for many procurement requirements.
  • Growing Quality Standards: While historically a concern, many Chinese chemical manufacturers have significantly improved their quality control systems, with numerous facilities achieving ISO certifications and adhering to international standards.

Navigating the Procurement Process: Key Considerations

When initiating a purchase for 2,5-DIPHENYL-4,6-PYRIMIDINEDIOL from China, several steps are crucial for a successful transaction:

  1. Supplier Vetting: It is imperative to partner with established and reputable suppliers. Look for companies with a strong track record, transparent communication, and positive customer reviews. Requesting company certifications and production capabilities can further validate their credibility.
  2. Requesting Quotes and Samples: Obtain detailed quotes that include product pricing, minimum order quantities (MOQ), Incoterms (e.g., FOB, CFR, EXW), and estimated delivery times. Always request a free sample for laboratory testing and quality verification before committing to a large purchase. This step is vital to confirm the purity and suitability of the chemical for your intended applications.
  3. Understanding Payment and Shipping: Familiarize yourself with accepted payment methods (L/C, T/T, PayPal, etc.) and shipping terms. Confirm the port of shipment (e.g., Shanghai port, Qingdao port) and discuss logistics, including air or sea freight options, and whether express courier services like DHL or TNT are suitable for smaller quantities or urgent needs.
  4. Inquiry and Communication: Effective communication is key. Clearly state your requirements, including CAS number, desired purity, quantity, and any specific packaging needs. Proactive communication with the supplier's sales representatives, such as Mr. Anson mentioned in industry listings, can streamline the inquiry process.

By carefully considering these aspects, procurement managers and R&D scientists can confidently source 2,5-DIPHENYL-4,6-PYRIMIDINEDIOL from China, ensuring they obtain a high-quality product at a competitive price to support their critical chemical synthesis and pharmaceutical development projects. Engaging with reliable manufacturers and suppliers is the first step towards a successful and fruitful collaboration.