
Factory Direct Supply L-Tryptophan 99% CAS 73-22-3. High Purity L-Tryptophan: 99% content with EP8.0 quality standard, appearing as white crystals or powder. Customizable Grade: Available in Food Additives grade with customizable color and appearance options. Long Shelf Life: Stable product with a shelf life exceeding 12 months under normal storage. Flexible MOQ: Low minimum order quantity starting from 10g, 100g, and 1kg for high-value products. Free Sample Available: Free samples provided for most products, with shipping cost borne by the customer. Quality Guarantee: Strict quality control with free replacement or refund for any genuine quality issues. Fast Delivery: Standard delivery time of 5 to 7 days after receiving advance payment. Global Export Experience: Products exported to USA, Europe, Asia, and other regions with 4 years of export history.