For procurement managers and R&D scientists in the pharmaceutical industry, securing a reliable supply of high-quality intermediates is paramount. 1(3H)-Isobenzofuranone, commonly known as Phthalide (CAS 87-41-2), stands out as a crucial building block in the synthesis of various Active Pharmaceutical Ingredients (APIs) and drug candidates. Understanding the intricacies of sourcing this compound is vital for ensuring production continuity and cost-effectiveness.
When looking to buy Phthalide, several factors come into play. Firstly, purity is non-negotiable. Pharmaceutical applications demand intermediates with a minimum assay, often 99.0% or higher, to prevent unwanted side reactions and ensure the efficacy and safety of the final drug product. NINGBO INNO PHARMCHEM CO.,LTD., as a leading pharmaceutical intermediate supplier in China, prioritizes stringent quality control to deliver consistently high-purity Phthalide.
Secondly, the reputation and reliability of the manufacturer are key. A trusted supplier will provide transparent product specifications, Certificates of Analysis (CoA), and a robust supply chain. For companies seeking Phthalide, working with established manufacturers like NINGBO INNO PHARMCHEM CO.,LTD. reduces the risk of supply disruptions and quality deviations. We understand the critical nature of timely deliveries and consistent product availability.
The price of 1(3H)-Isobenzofuranone is also a significant consideration, especially for bulk orders. As a direct manufacturer, we can offer competitive wholesale prices for Phthalide, making it an economically viable choice for large-scale pharmaceutical production. Our aim is to provide exceptional value without compromising on quality.
Beyond these core aspects, buyers should also consider the supplier's logistical capabilities and customer service. NINGBO INNO PHARMCHEM CO.,LTD. has extensive experience in international trade, facilitating smooth shipping and customs clearance for our global clientele. Whether you are looking for small quantities for R&D or large volumes for commercial production, we are equipped to meet your needs. Contact us to discuss your requirements for 1(3H)-Isobenzofuranone and discover how our reliable supply and competitive pricing can benefit your pharmaceutical manufacturing operations.
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.