Description

Poly-Dl-Tryptophan is a synthetic, racemic mixture of the essential amino acid tryptophan. This compound is a critical building block in biochemical research and pharmaceutical development, valued for its role in protein synthesis and as a precursor to key metabolites like serotonin and melatonin. It is primarily utilized by research institutions, pharmaceutical manufacturers, and biotechnology companies for applications in cell culture media, peptide synthesis, and metabolic studies.

Application

• Biochemical Research & Development: Serves as a fundamental reagent in enzymatic studies, protein structure-function analysis, and metabolic pathway investigations.
• Pharmaceutical Intermediates: Used in the synthesis of more complex peptides, APIs (Active Pharmaceutical Ingredients), and potential therapeutic agents.
• Cell Culture Media Supplement: An essential nutrient component in defined media for mammalian and microbial cell culture, supporting growth and protein production.
• Nutraceutical & Cosmetic Formulations: Employed in the development of specialized nutritional supplements and high-end cosmetic products targeting skin health and wellness.
• Analytical Standards & Reference Materials: Provides a certified reference standard for quality control and analytical method validation in pharmaceutical and food industries.

Basic Information

Product Name	Poly-Dl-Tryptophan
CAS No.	27732-43-0
Molecular Formula	C11H12N2O2
Molecular Weight	204.23 g/mol
Synonyms	DL-Tryptophan; (±)-Tryptophan; Racemic Tryptophan; Tryptophan, DL-; 2-Amino-3-(1H-indol-3-yl)propanoic acid; H-DL-Trp-OH; Trypto-Racemate; Tryptophane, racémique
EINECS	248-594-8

Quality Control

Our Poly-Dl-Tryptophan is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis, and residual solvent screening, to ensure it meets the high standards required for research and industrial use. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed in a dry environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Optical Rotation	± 0.05° (c=1 in H2O)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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