L-5-Hydroxytryptophan Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 4350-09-8 |
| Product name | L-5-Hydroxytryptophan |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeReagent GradeFood GradeCosmetic Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for L-5-Hydroxytryptophan
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk L-5-Hydroxytryptophan Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of L-5-Hydroxytryptophan
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Used in the manufacture of pharmaceuticals, such as serotonin-related drugs, to modulate neurotransmitter levels for the treatment of depression and other neuropsychiatric disorders. | Prepared via fermentation or chemical synthesis and applied as an intermediate in pharmaceutical synthesis. |
| Cosmetics Industry | Applied as an antioxidant and skin protectant in anti-aging and sunscreen products. | Obtained through extraction or synthesis and incorporated into cosmetic formulations to enhance product performance. |
| Food Industry | Used as a natural preservative and flavoring agent in food additives. | Produced via fermentation and added to food as a food additive to extend shelf life or improve flavor. |
| Research | Used to study the biosynthetic pathway of serotonin and its role in the nervous system. | Obtained through laboratory synthesis or fermentation for scientific research and experimental applications. |
| Agriculture | Applied as a plant growth regulator to promote plant growth and enhance stress tolerance. | Prepared via chemical synthesis or microbial fermentation and applied to crops as a plant growth regulator. |
| Healthcare | Used in the treatment or prevention of serotonin-related disorders, including depression and anxiety. | Incorporated into pharmaceutical dosage forms—such as tablets or injectables—via drug manufacturing processes for clinical use. |
| Feed Industry | Applied as a feed additive to improve animal health and production performance. | Prepared via fermentation or chemical synthesis and added to animal feed to support growth and health. |
| Biotechnology | Used in the production of serotonin and its derivatives as a key intermediate in biotechnological applications. | Produced via microbial fermentation or enzymatic catalysis for use in biotechnology product manufacturing. |
| Environmental Protection | Applied in wastewater treatment for the degradation of organic pollutants as a biodegradation agent. | Produced via microbial fermentation for use in biodegradation processes during wastewater treatment. |
| Household Chemical Industry | Used in the manufacture of personal care products—such as shampoos and conditioners—for antioxidant and protective functions. | Obtained through extraction or synthesis and incorporated into personal care products to enhance functionality and efficacy. |
Manufacturing Quality Control of L-5-Hydroxytryptophan
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by comparison of peak area against a reference standard using reversed-phase chromatography and UV detection at 280 nm. |
| Related Substances | HPLC-UV | Separation and detection of structurally related impurities using gradient reversed-phase HPLC with UV detection. |
| Optical Rotation | Polarimetry | Measurement of the angle of rotation of plane-polarized light induced by chiral molecules in solution. |
| Residual Solvents | GC-FID | Identification and quantification of volatile organic solvents based on retention time and flame ionization response. |
| Heavy Metals | ICP-OES | Multi-element detection of metallic impurities after acid digestion, based on atomic emission intensities. |
| Loss on Drying | Gravimetric (Thermogravimetric) | Determination of volatile content by measuring mass loss after heating under controlled temperature and airflow. |
| Residue on Ignition | Sulfated Ash (Gravimetric) | Quantification of non-volatile inorganic residue after high-temperature ignition following sulfuric acid treatment. |
| Water Content | Karl Fischer Titration | Coulometric or volumetric titration using iodine-based reagent to determine water content via stoichiometric reaction. |
| pH (1% aqueous solution) | Potentiometric pH Measurement | Measurement of hydrogen ion activity in aqueous solution using calibrated glass electrode and pH meter. |
| Microbial Limits | Membrane Filtration / Plate Count | Enumeration of aerobic microorganisms and detection of specified pathogens using selective culture media and incubation. |
| Particle Size Distribution | Laser Diffraction | Analysis of particle size based on angular variation in intensity of scattered laser light. |
| Specific Absorption Coefficient (E1cm1%) | UV-Vis Spectrophotometry | Calculation of absorbance per unit concentration and path length at 280 nm in 0.1 M HCl solution. |
Technical Specifications of L-5-Hydroxytryptophan
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 274–278 °C |
| Optical Rotation | -35.0 to -31.0 ° (c=1, in 1M HCl) |
| Heavy Metals | <=10 ppm |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of L-5-Hydroxytryptophan
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of L-5-Hydroxytryptophan
Packaging of L-5-Hydroxytryptophan
Industrial L-5-Hydroxytryptophan Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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