As a B2B professional, understanding the supply landscape for essential amino acids like D-Isoleucine (CAS 319-78-8) is crucial for maintaining efficient operations and project success. D-Isoleucine, also known as (2R,3R)-2-Amino-3-methylpentanoic acid, is a non-proteinogenic D-amino acid that holds significant importance in various scientific and industrial applications, particularly as a pharmaceutical intermediate.
The demand for high-purity D-Isoleucine stems from its unique biochemical properties. Unlike its L-enantiomer, D-isoleucine is not directly incorporated into proteins synthesized by the body's ribosomes, but it plays vital roles in certain metabolic pathways and can be a valuable research tool. Its presence is noted in specific biological contexts, and its applications as a chiral precursor in complex organic synthesis make it a sought-after chemical.
When sourcing D-Isoleucine, particularly in bulk quantities, identifying a reliable manufacturer is the first step. A reputable manufacturer will offer:
Engaging with a trusted supplier of CAS 319-78-8 ensures that your research or manufacturing projects are not hindered by supply chain disruptions or quality issues. Many Chinese manufacturers specialize in amino acids and their derivatives, offering a robust sourcing option.
The market for D-Isoleucine is driven by its applications in:
For businesses looking to buy D-Isoleucine, a thorough vetting process of suppliers is essential. Contacting multiple manufacturers to compare specifications, pricing, and delivery terms will help you secure the best partner for your needs.
By focusing on purity, supplier reliability, and understanding the specific application needs, procurement professionals can effectively source high-quality D-Isoleucine. Partnering with experienced manufacturers in China can provide a distinct advantage in cost and availability for this essential amino acid.
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.