1️⃣ Product Description

Product Name: DL-Methionine Standard
CAS Number: 59-51-8
Product Code: M-A25002Z
Category: Amino Acid Standard

Short Overview

DL-Methionine (CAS 59-51-8) is a high-purity amino acid reference standard (≥ 99%), suitable for quantitative analysis, assay calibration, and method validation in pharmaceutical, nutritional, and biochemical laboratories. Its amino acid stability profile and argon-filled packaging ensure optimal protection against oxidation and light exposure, supporting precise analytical workflows in controlled environments.

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Information

💡 Argon-filled packaging minimizes oxidation — essential for sulfur-containing amino acids like Methionine.

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2️⃣ Features & Benefits / Technical Information

Features & Benefits

✅ Ultra-high purity ≥ 99% for accurate quantification
✅ COA & SDS included for regulatory compliance
✅ Produced under ISO/IEC 17025 & GMP environments
✅ Protected under argon and low-temperature storage
✅ Compatible with HPLC, LC-MS, AAA (Amino Acid Analyzer)
✅ Light-resistant packaging ensures global transit stability

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Technical Information

📎 Each batch undergoes identity, purity, and oxidation-level testing before release.

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3️⃣ Applications

DL-Methionine standard is widely used in:

Pharmaceutical Analysis

• Quantification of methionine in APIs and formulations

• Stability studies involving sulfur-containing amino acids

Food & Nutrition Testing

• Determination of amino acid composition in feed, protein powders, and fortified foods

Clinical & Biomedical Research

• Metabolic studies on methylation pathways

• Monitoring methionine levels in dietary and medical samples

Method Development & Validation

• Calibration curves

• Linearity, repeatability, accuracy and recovery studies

💡 High purity ensures precise detection even at low concentrations.

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4️⃣ Frequently Asked Questions (FAQs)

Q1. What analytical techniques are suitable?
HPLC, LC-MS, and amino acid analyzers (AAA) are commonly used.

Q2. Are COA & SDS provided?
Yes, included with every shipment.

Q3. Why argon-filled packaging?
To prevent oxidation — methionine is sulfur-containing and sensitive to air.

Q4. How should I store it?
Store at 2–8 °C, protect from light, and keep tightly sealed.

Q5. Can I purchase custom or bulk sizes?
Yes, multi-gram quantities and custom packaging are available upon request.

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5️⃣ Ordering & Support

📦 Delivery: Ships worldwide within 3–5 business days
🧾 Included: COA & SDS
🌍 Global Shipping: Argon-filled, light-protective packaging

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

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