Phthalide (CAS No. 87-41-2) is a noteworthy organic chemical compound that serves as a fundamental intermediate in numerous synthesis processes. NINGBO INNO PHARMCHEM CO.,LTD. highlights Phthalide's significance as a versatile chemical building block. It is typically supplied as a white flake solid, with a defined melting point and a molecular weight of 134.132 g/mol. Its chemical nature makes it highly adaptable for incorporation into more complex molecular structures across various industries.
The utility of Phthalide is most prominently seen in its role as a phthalide synthesis intermediate for agrochemicals, particularly the widely used fungicide Kresoxim-methyl. Its participation in this synthesis highlights its importance in crop protection technology. Furthermore, the broad scope of phthalide agrochemical applications demonstrates its value in enhancing agricultural productivity and sustainability.
Beyond agriculture, Phthalide also plays a role in the synthesis of dyes, such as phenolphthalein, and in the pharmaceutical industry for compounds like isoxepac and hydralazine. These diverse phthalide pharmaceutical uses showcase its wide-ranging applicability. NINGBO INNO PHARMCHEM CO.,LTD. ensures that the Phthalide we supply meets the industry standard of ≥98.0% assay, guaranteeing its suitability for precise chemical reactions.
As a key component in the production of essential agricultural and pharmaceutical products, Phthalide exemplifies the critical nature of chemical intermediates in modern industry. NINGBO INNO PHARMCHEM CO.,LTD. is dedicated to providing a consistent and high-quality supply of Phthalide, supporting the innovation and manufacturing needs of its partners globally.
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.