The global demand for statin medications, particularly for managing cholesterol levels, remains exceptionally high. Rosuvastatin calcium, a highly effective drug in this class, requires specific, high-purity intermediates for its synthesis. Among these, (S)-4-Chloro-3-hydroxybutyronitrile (CAS 127913-44-4) stands out as a critical chiral building block. Pharmaceutical companies worldwide are increasingly looking to reliable suppliers in China for sourcing these vital components.
As a specialized pharmaceutical intermediates manufacturer in China, we are dedicated to providing (S)-4-Chloro-3-hydroxybutyronitrile that meets the stringent quality standards required for Active Pharmaceutical Ingredient (API) production. Our product boasts high purity, typically above 98.0%, and often exceeding 99.0% with excellent optical purity. This ensures that our customers, whether they are large pharmaceutical corporations or specialized contract manufacturers, can achieve optimal yields and product quality for their Rosuvastatin calcium synthesis.
The advantages of sourcing these critical intermediates from China are significant. Firstly, it offers a cost-effective solution without compromising on quality. We leverage advanced manufacturing processes and economies of scale to provide competitive pricing. Secondly, it ensures supply chain stability. For many pharmaceutical companies, securing a consistent and reliable supply of raw materials is paramount to avoid production disruptions. Our commitment as a manufacturer means we are a dependable partner in your supply chain.
When you are looking to buy (S)-4-Chloro-3-hydroxybutyronitrile, understanding the product's specifications is key. Our material is characterized by its colorless to pale yellow transparent liquid appearance and its specific rotation, ensuring it adheres to critical chemical parameters. Research scientists and procurement managers often search for CAS 127913-44-4 supplier information to identify partners who can consistently deliver on purity and volume.
We also offer custom synthesis capabilities, allowing us to tailor production to specific customer requirements, including packaging and quality parameters for GMP applications. For any pharmaceutical manufacturer engaged in the synthesis of Rosuvastatin calcium or similar chiral drugs, partnering with an experienced and quality-focused intermediate supplier in China is a strategic decision that can significantly impact production efficiency, cost, and the ultimate quality of the life-saving medication.
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.