The efficiency and success of chemical synthesis projects hinge significantly on the quality and availability of the starting materials and intermediates. Within the broad spectrum of organic chemistry, androstane derivatives like Methyl-4-aza-5alpha-androstane-3-one-17beta-carboxylate (CAS 73671-92-8) are particularly sought after for their complex structures and synthetic potential. NINGBO INNO PHARMCHEM CO.,LTD. has established itself as a premier supplier in China, offering this critical compound to researchers and manufacturers globally.
Our role as a chemical synthesis intermediate supplier extends beyond mere provision; we aim to be a partner in optimizing your synthetic processes. The Methyl-4-aza-5alpha-androstane-3-one-17beta-carboxylate we provide is characterized by its exceptional purity, typically 99% and above, ensuring that your reactions proceed as expected without interference from impurities. This focus on quality is paramount, especially when clients choose to buy high purity methyl ester for sensitive applications.
For businesses operating in the pharmaceutical and specialty chemical sectors, securing a reliable supply of intermediates is a strategic imperative. NINGBO INNO PHARMCHEM CO.,LTD. leverages its robust manufacturing capabilities in China to ensure a consistent and dependable source of Methyl-4-aza-5alpha-androstane-3-one-17beta-carboxylate. This reliability allows our clients to streamline their procurement, manage inventory effectively, and maintain the momentum of their research and production schedules.
We understand that successful chemical synthesis requires not only high-quality materials but also efficient logistics and responsive customer service. As a leading manufacturer, NINGBO INNO PHARMCHEM CO.,LTD. is committed to providing a seamless experience from inquiry to delivery. Our goal is to empower your scientific and industrial endeavors by supplying the essential androstane derivative that drives your projects forward.
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.