Description

L-Tryptophan>99% CAS NO 73-22-5 is a high-purity, essential amino acid crucial for protein biosynthesis and metabolic functions. It serves as a vital precursor for the synthesis of key biomolecules, including serotonin and melatonin, making it indispensable for both nutritional and pharmaceutical applications. This product is primarily targeted at manufacturers in the nutraceutical, pharmaceutical, food & beverage, and animal feed industries seeking a reliable, high-quality ingredient for their formulations.

Application

• Nutraceutical & Dietary Supplements: A key ingredient in sleep aids, mood support, and general wellness products due to its role as a serotonin precursor.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and as a component in parenteral nutrition solutions.
• Food & Beverage Fortification: Employed as a nutritional enhancer in functional foods, infant formula, and sports nutrition products.
• Animal Feed Additive: Incorporated into feed for swine and poultry to optimize growth performance, feed efficiency, and overall animal health.
• Microbiological & Cell Culture Media: An essential component in media formulations for fermentation processes and biotechnology research.
• Biochemical Research: Used as a standard and reagent in various life science and analytical research applications.

Basic Information

Product Name	L-Tryptophan>99%
CAS No.	73-22-5
Molecular Formula	C11H12N2O2
Molecular Weight	204.23 g/mol
Synonyms	Tryptophan; (S)-Tryptophan; L-2-Amino-3-(3-indolyl)propionic acid; 1H-Indole-3-alanine; (-)-Tryptophan; Tryptophane; Trp; W; L-TRP; L-α-Amino-1H-indole-3-propanoic acid; (S)-α-Amino-1H-indole-3-propanoic acid
EINECS	200-795-6

Quality Control

Our L-Tryptophan>99% is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets the highest standards of purity and consistency. Certificates of Analysis (COA) detailing specifications such as assay, optical rotation, and impurity profiles are available upon request. We can support compliance with various pharmacopoeial standards (e.g., USP, EP, JP) for specific customer requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking and degradation.

Specification

Item	Specification
Appearance	White to slightly yellow crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	> 99.0%
Specific Rotation [α]20/D	-30.0° to -33.0°
Loss on Drying	≤ 0.5%
Residue on Ignition (Sulfated Ash)	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.