In the rigorous landscape of pharmaceutical manufacturing, maintaining the highest standards of quality and purity is non-negotiable. For Active Pharmaceutical Ingredient (API) manufacturers, understanding and controlling impurities is a cornerstone of regulatory compliance and product safety. One such compound that plays a significant role in quality control processes is 2-Chloro-N-(2-chloro-4-methylpyridin-3-yl)nicotinamide, identified by its unique CAS number 133627-46-0.
This specific chemical is recognized in the industry primarily as Nevirapine Impurity 2. Its importance stems from its utility as a reference standard. Pharmaceutical companies utilize these standards to develop and validate analytical methods, such as High-Performance Liquid Chromatography (HPLC), to detect and quantify impurities in their drug products. The availability of a well-characterized standard like CAS 133627-46-0 is crucial for ensuring the accuracy and reliability of these analytical tests.
For procurement managers and quality control scientists looking to purchase this essential standard, searching for 'Nevirapine Impurity 2 supplier', 'CAS 133627-46-0 reference standard price', or 'buy pharmaceutical impurity standard' can lead to specialized chemical manufacturers. These suppliers often offer detailed Certificates of Analysis (CoA) that confirm the purity and identity of the compound, a vital document for regulatory submissions and internal quality assurance.
The presence of 2-Chloro-N-(2-chloro-4-methylpyridin-3-yl)nicotinamide as an impurity in certain pharmaceutical synthesis routes necessitates its availability as a standard for monitoring. By having this compound readily accessible from reliable manufacturers, API producers can effectively manage their impurity profiles, ensuring that their final drug products meet stringent pharmacopeial requirements and international regulatory guidelines. Therefore, sourcing CAS 133627-46-0 is a critical step for any pharmaceutical entity focused on uncompromising quality.
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.