For professionals in the B2B chemical and pharmaceutical sectors, the acquisition of high-purity intermediates like tert-Butyl 3-Methanesulfonyloxymethyl-pyrrolidine-1-carboxylate (CAS 141699-56-1) is a strategic imperative. This compound serves as a crucial building block in numerous synthesis pathways, particularly in the development of novel pharmaceutical agents. Understanding how to effectively procure it, from identifying reputable suppliers to negotiating terms, is vital for project success and cost management. This guide offers insights from a buyer's perspective on sourcing this important chemical.
The Strategic Importance of CAS 141699-56-1
tert-Butyl 3-Methanesulfonyloxymethyl-pyrrolidine-1-carboxylate is valued for its chemical structure, which allows for controlled modifications to create complex molecules. The presence of the Boc-protected amine and the mesylate leaving group makes it a highly versatile intermediate in organic synthesis. Its utility in constructing pyrrolidine-containing pharmacophores means that reliable access to this compound is essential for pharmaceutical research and manufacturing. Buyers often seek this specific chemical by searching for 'buy tert-butyl 3-methanesulfonyloxymethyl-pyrrolidine-1-carboxylate' or 'CAS 141699-56-1 pharmaceutical intermediate.' The availability from 'suppliers in China' is frequently a key consideration due to competitive pricing.
Evaluating Suppliers and Product Quality
When evaluating potential suppliers for CAS 141699-56-1, several key criteria come into play. Foremost among these is product quality, typically verified through a Certificate of Analysis (CoA) that details purity, impurities, and analytical methods. Buyers will also scrutinize the supplier's manufacturing capabilities, looking for evidence of consistent production and adherence to quality management systems. Terms such as 'chemical manufacturer' and 'reliable supplier' are often used to filter potential partners. It's also important to inquire about lead times, shipping conditions, and packaging to ensure the product arrives in optimal condition and on schedule.
Navigating Price and Volume Considerations
Price is naturally a significant factor in procurement decisions. For intermediates like tert-Butyl 3-Methanesulfonyloxymethyl-pyrrolidine-1-carboxylate, pricing can vary based on purity, order volume, and supplier. Buyers often seek to obtain multiple 'quotes' to compare pricing and negotiate favorable terms, especially for larger quantities. Understanding the market dynamics and the cost drivers for such specialized chemicals can help buyers make informed decisions. A supplier's flexibility in terms of order volume, from R&D scale to commercial batches, is also a valuable asset.
The Role of Custom Synthesis and Support
Beyond standard catalog offerings, many buyers are interested in suppliers who can provide additional services, such as custom synthesis of related compounds or modifications to existing products. For tert-Butyl 3-Methanesulfonyloxymethyl-pyrrolidine-1-carboxylate, this might involve producing it in a specific isomeric form or with a different protecting group. Engaging with a 'supplier' that offers strong technical support and a willingness to collaborate on specific project needs can significantly enhance the procurement process and contribute to the overall success of a research or manufacturing endeavor.
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.