L-tert-Leucine | CAS 20859-02-3 Manufacturer & Supplier in China

Product Overview

L-tert-Leucine (CAS 20859-02-3) is a non-proteinogenic alpha-amino acid characterized by its bulky tert-butyl side chain, which confers unique steric hindrance and conformational rigidity to molecular structures. Within the Pharmaceutical Intermediates and fine chemical manufacturing sectors, this optically active compound is highly valued as a critical chiral building block. It serves as an essential Atazanavir intermediate, Boceprevir intermediate, and Telaprevir intermediate, playing a vital role in the synthesis of advanced antiviral therapeutics and protease inhibitors. As a leading manufacturer of L-tert-Leucine CAS 20859-02-3 based in China, Conscientia Industrial utilizes advanced asymmetric synthesis and enzymatic resolution technologies to ensure exceptional enantiomeric excess and chemical purity. Our product maintains a strict quality profile to satisfy the rigorous technical requirements of global pharmaceutical supply chains and advanced multi-step organic synthesis.

Technical Specifications

• Product Name: L-tert-Leucine

• CAS Number: 20859-02-3

• Category: Pharmaceutical Intermediates

• Quality Standard: In-House Specification

• Molecular Formula: C6H13NO2

• Molecular Weight: 131.17

• Appearance: White to off-white powder

• Purity (HPLC): ≥98.0%

• Loss on Drying: ≤1.0%

• Residue on Ignition: ≤0.1%

• Application: Atazanavir intermediate, Boceprevir intermediate, Telaprevir intermediate

• Brand: Conscientia Industrial

• Country of Origin: China

• Availability: In Stock

• Pricing: Competitive factory price based on order volume

• Currency: USD

• Molecular Structure:

Why Partner with Conscientia Industrial

• Technical Quality Control: Our manufacturing process follows rigorous analytical protocols to ensure high-grade batch-to-batch consistency for L-tert-Leucine CAS 20859-02-3.

• Advanced Analytical Verification: Every batch of L-tert-Leucine is validated through HPLC, Gas Chromatography (GC), and Mass Spectrometry (MS) to confirm chemical identity and ensure precise enantiomeric purity.

• Full Technical Documentation: We provide comprehensive support, including Certificate of Analysis (COA), MSDS, and Method of Analysis (MOA) for L-tert-Leucine CAS 20859-02-3.

• Scalable Production Capacity: Our China facility is equipped to support projects ranging from kilogram-scale pilot studies to large-scale multi-ton bulk industrial supply.

• Direct Source Advantage: As a primary manufacturer, we provide L-tert-Leucine CAS 20859-02-3 with efficient lead times and direct factory technical support.

Packaging & Storage

• Standard Packaging: Available in specific quantities including 1kg per aluminum foil bag, 5kg per durable plastic drum, and 25kg per industrial fiber drum, complete with inner double-layer PE bags.

• Storage Conditions: Store in a tightly closed container in a cool, dry, and well-ventilated area. Keep away from strong oxidizing agents and moisture.

• Shelf Life: 24 months from the manufacturing date when stored under correct recommended conditions.

• Safety Handling: This material is a technical-grade chemical intended for industrial production, pharmaceutical manufacturing, and laboratory research use only.

Our logistics team ensures secure distribution of L-tert-Leucine CAS 20859-02-3 via global courier, air freight, and sea freight.

Request a Quote & COA for L-tert-Leucine CAS 20859-02-3 Today.