The pharmaceutical industry's quest for efficient and precise synthesis routes constantly drives the demand for high-quality chemical intermediates. Trimethylacetic Anhydride, identified by CAS 1538-75-6, is a prime example of such a critical component. This colorless transparent liquid, with a typically high assay of 99.0%min, serves as a potent acylating agent, playing an indispensable role in the creation of Active Pharmaceutical Ingredients (APIs) and other vital pharmaceutical compounds. For researchers and procurement managers alike, understanding its applications and securing a reliable supply is paramount.
As an acylating agent, Trimethylacetic Anhydride excels at introducing the trimethylacetyl (pivaloyl) group. This functionalization is often a key step in modifying the properties of drug molecules, enhancing their bioavailability, stability, or targeting capabilities. The synthesis of ester and amide linkages, which are common in many pharmaceutical structures, is efficiently facilitated by this anhydride. When you need to buy Trimethylacetic Anhydride for pharmaceutical synthesis, prioritizing purity and consistent quality from a trusted manufacturer is non-negotiable.
The technical specifications of Trimethylacetic Anhydride are crucial for its effective use. Low levels of impurities, such as free acid (typically ≤0.5%) and water (typically ≤0.1%), ensure predictable reaction kinetics and minimize the formation of unwanted by-products. These properties are essential for processes demanding high yields and stringent purity controls, common in pharmaceutical R&D and large-scale API production. Sourcing from a reputable chemical supplier that can provide lot-specific Certificates of Analysis (COA) adds another layer of assurance.
The demand for Trimethylacetic Anhydride extends beyond pharmaceuticals, also finding significant application in the agrochemical sector for creating advanced crop protection agents. Its utility in polymer chemistry and other specialty chemical applications further underscores its importance. NINGBO INNO PHARMCHEM CO.,LTD. is committed to being a dependable source for this essential intermediate. We understand the critical nature of supply chain reliability and competitive pricing in the pharmaceutical and chemical industries.
For companies involved in pharmaceutical synthesis, establishing a robust relationship with a supplier of Trimethylacetic Anhydride (CAS 1538-75-6) is a strategic advantage. We invite you to contact us to discuss your requirements, obtain a quotation, and learn more about how our high-quality product can support your development and manufacturing goals. Partner with us for your chemical needs and ensure the efficiency and success of your pharmaceutical synthesis projects.
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.