D-Tryptophan
- CAS No.153-94-6
- GradeIndustrial / Pharmaceutical
- Availability● In Stock
Premium grade D-Tryptophan (CAS 153-94-6) designed for nutraceutical formulations and pharmaceutical research. High optical purity with strict quality control.
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Product Overview
D-Tryptophan is a crucial chiral amino acid extensively utilized in the nutraceutical and pharmaceutical industries. As the dextrorotatory enantiomer of tryptophan, this compound serves as a vital building block for specialized peptide synthesis and dietary supplement formulations. Our manufacturing process ensures exceptional optical purity, minimizing the presence of the L-isomer to meet rigorous international standards for high-value biochemical applications.
Produced under strict quality management systems, this ingredient is ideal for developers seeking reliable performance in complex biological matrices. The compound exhibits excellent stability and solubility characteristics, making it a preferred choice for researchers and formulators focused on precision nutrition and advanced therapeutic solutions.
Key Specifications and Quality Assurance
Quality control is paramount in the production of chiral amino acids. Our D-Tryptophan undergoes comprehensive testing to ensure compliance with pharmacopoeial standards. The specific rotation is tightly controlled to guarantee enantiomeric excess, while impurity profiles such as heavy metals, arsenic, and residual solvents are maintained at trace levels. This commitment to purity ensures safety and efficacy in downstream applications.
The following table outlines the critical technical parameters verified during our quality assurance process:
| Parameter | Specification |
|---|---|
| Solubility in water | Colorless and clear (c=1) |
| Specific rotation [α]D20 | +31.0° to +33.0° (c= 2, water) |
| Loss on drying | Not more than 0.3% |
| Residue on ignition (as sulfate) | Not more than 0.1% |
| Chloride (Cl) | Not more than 0.02% |
| Sulfate (SO4) | Not more than 0.03% |
| Heavy metals (as Pb) | Not more than 10ppm |
| Iron (Fe) | Not more than 10ppm |
| Ammonium (NH4) | Not more than 0.02% |
| Arsenic (As2O3) | Not more than 1ppm |
| Other amino acids | Not detected by T.L.C. (10μg) |
| Assay | 98.5% to 101.0% |
| L-Isomer | Not more than 0.5% |
Industrial Applications
This high-purity amino acid is primarily employed in the development of advanced nutraceutical ingredients where stereochemistry plays a critical role in biological activity. It serves as a key component in specialized dietary supplements designed to support metabolic health. Additionally, it is widely used in peptide synthesis for research purposes, providing a reliable foundation for creating complex molecular structures.
Formulators benefit from the consistent batch-to-batch reproducibility of our material. Whether used as a standalone ingredient or as part of a multi-component system, D-Tryptophan delivers predictable performance. Our technical team supports clients with formulation guidance to optimize stability and bioavailability in final products.
Storage and Handling
To maintain optimal quality, store this product in a cool, dry place away from direct sunlight and moisture. Containers should be kept tightly sealed when not in use to prevent contamination or degradation. Proper handling procedures ensure that the physical and chemical properties remain intact throughout the supply chain, guaranteeing that the material reaches the end user in prime condition.
