L(-)-Tryptophan(CAS 73-22-3)
| Purity | Grade | Package | Stock | Price | Quantity |
| 99% | RG | 25G | In Stock | 2 USD
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| 99% | RG | 100G | In Stock | 3 USD
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| 99% | RG | 500G | In Stock | 11 USD
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| 99% | RG | 2.5KG | In Stock | 47 USD
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| 99% | RG | 25KG | In Stock | 745 USD
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Applications of 73-22-3
| Industry | Application | Process |
|---|---|---|
| Animal Feed Industry | Essential Amino Acid for Nutritional Balance | Serves as an essential amino acid to supplement limiting amino acids (e.g., in swine and poultry diets) in compound feeds, thereby improving dietary protein utilization and reducing crude protein levels in feed formulations. |
| Pharmaceutical Industry | Raw Material for Drug Synthesis | Used in the synthesis of various peptide-based therapeutics, amino acid infusion solutions, and as a component of antidepressants (e.g., as a precursor to serotonin). |
| Pharmaceutical Industry | Nutritional Supplement | Employed in the preparation of compounded amino acid injection and oral solutions to improve nutritional status and treat amino acid deficiency disorders. |
| Food Industry | Food Fortificant | Added to infant formula, dietary supplements, and functional beverages to enhance nutritional value. |
| Food Industry | Flavor Modulator | Utilized for its taste-modifying properties to enhance food flavor profiles or mask bitterness. |
| Chemical & Biotechnology Industry | Precursor to Bioactive Compounds | Serves as a synthetic precursor to indole alkaloids, plant growth regulators (e.g., indole-3-acetic acid), and neurotransmitters (e.g., serotonin). |
| Scientific Research | Cell Culture Component | Functions as a critical nutrient component in cell culture media for cell biology research and upstream biopharmaceutical manufacturing processes. |
| Agriculture | Raw Material for Plant Growth Regulators | Used in the synthesis of plant growth regulators or applied directly as a plant growth stimulant. |
Physical and chemical properties of 73-22-3
Acidity coefficient |
2.46(at 25℃) |
|---|---|
Boiling Point |
447.9±35.0 °C at 760 mmHg |
BRN |
86197 |
Decomposition |
When heated to decomposition it emits toxic fumes of /nitric oxide/. |
Density |
1.4±0.1 g/cm3 |
Exact Mass |
204.089874 |
Flash Point |
224.7±25.9 °C |
Index of Refraction |
1.698 |
LogP |
-1.06 |
Melting Point |
230 °C |
Merck |
14,9797 |
Molecular Formula |
C11H12N2O2 |
Molecular Weight |
204.23 |
Odor |
Odorless |
optical activity |
[α]20/D 31.5±1°, c = 1% in H2O |
pH |
A 1% solution in water has a pH of 5.5 to 7. |
PSA |
79.11000 |
Solubility |
13.4 mg/mL at 25 °C |
Specific rotation |
-31.1 º (c=1, H20) |
Stability |
Stable. Incompatible with strong acids, strong oxidizing agents. |
Storage condition |
2-8°C |
Vapour Pressure |
2.1X10-9 mm Hg at 25 °C (est) |
Water Solubility |
11.4 g/L (25 ºC) |
Spectrums of 73-22-3
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Retrosynthesis analysis of 73-22-3
Cas:54-12-6
Cas:82704-14-1
Cas:6720-02-1
Q&A for CAS 73-22-3
1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.
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Orders from Ready stock / In stock items typically Ships Tomorrow via Fast Shipping via FedEx/DHL/UPS. International deliveries usually arrive within 7 business days, subject to customs clearance.
3. What if the received product doesn’t meet quality standards?
If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.
4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.
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Yes. Our Lab Supplier team is available to assist with questions about product usage, storage, Lab Grade requirements, applications, and more.
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Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.
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Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.
9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.
10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.
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Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.
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Download SDS of 73-22-3
Pictograms |
 |
|---|---|
Signal Word |
Warning |
Hazard Statements |
H302 Harmful if swallowed H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation |
Safety Data Sheet |
Download COA of 73-22-3
Operate under the ISO 9001 system
