1️⃣ Product Description

Product Name: L-Tryptophan Standard
CAS Number: 73-22-3
Product Code: T-A25003X
Category: Amino Acid Standard

Short Overview

L-Tryptophan (CAS 73-22-3) is a high-quality amino acid reference standard (≥ 95%), suitable for quantitative analysis, assay calibration, quality control, and method validation in pharmaceutical, nutritional, and biochemical laboratories. This essential aromatic amino acid is light-sensitive, and its room-temperature stability makes it convenient for routine laboratory workflows.

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Information

💡 Light-protected packaging ensures long-term stability — ideal for aromatic amino acids.

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2️⃣ Features & Benefits / Technical Information

Features & Benefits

✅ High-quality purity (≥ 95%) suitable for analytical applications
✅ COA & SDS included with every order
✅ Manufactured under ISO/IEC 17025 & GMP quality systems
✅ Room-temperature stable for easy handling
✅ Compatible with HPLC, LC-MS, UV detection, AAA
✅ Light-resistant packaging ensures global shipping safety

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Technical Information

📎 Each batch is tested for identity, purity, and photostability before release.

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3️⃣ Applications

L-Tryptophan standard is commonly used for:

Pharmaceutical Analysis

• Potency and impurity testing in amino acid supplements

• Quality control of formulations containing tryptophan

Food & Nutrition Testing

• Amino acid profiling in protein powders, feed, dairy products, and fortified foods

Clinical & Biomedical Research

• Metabolism studies (serotonin, melatonin pathways)

• Nutritional deficiency and biomarker analysis

Method Development & Validation

• Calibration curve preparation

• Precision, recovery, linearity and accuracy studies

💡 Ensures reliable quantification even in complex biological matrices.

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4️⃣ Frequently Asked Questions (FAQs)

Q1. Which analytical techniques can be used?
HPLC, LC-MS, UV spectroscopy, and amino acid analyzers are all suitable.

Q2. Are COA & SDS included?
Yes — both are provided with every shipment.

Q3. Any special storage conditions?
Room temperature is acceptable; avoid light exposure.

Q4. Are there handling precautions?
Yes — minimize exposure to light and moisture.

Q5. Can I order larger or custom sizes?
Yes, multi-gram and custom packaging options are available upon request.

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5️⃣ Ordering & Support

📦 Delivery: Ships worldwide within 3–5 business days
🧾 Included: COA & SDS
🌍 Global Shipping: Light-protective packaging ensures product integrity

📩 Sales: sales@hipsoulab.com
📞 Customer Support: +86-755-28502380

💬 Hipsoul — Delivering purity, precision, and reliability to analytical laboratories worldwide.