L-Selenomethionine CAS 3211-76-5

Contents

L-Selenomethionine (CAS 3211-76-5) Overview

L-Selenomethionine, a selenized amino acid with CAS registry 3211-76-5, serves as an organic selenium source with superior bioavailability compared to inorganic selenium compounds. This naturally occurring selenoamino acid features:

• Molecular Formula: C₅H₁₁NO₂Se
• Molecular Weight: 196.11 g/mol
• Appearance: White to off-white crystalline powder
• Purity: 98%-99.5% (HPLC)
• Storage: 2-8°C in airtight containers

Technical Specifications Comparison

Commercial & Industrial Applications

Primary utilization scenarios include:

• Nutraceuticals: Core ingredient in selenium dietary supplements
• Pharmaceuticals: Active component in antioxidant formulations
• Animal Feed: Poultry/swine nutrition enhancement
• Research: Cancer prevention studies, redox biology research

Optimal Usage Protocols

Recommended implementation methods:

• Supplement Manufacturing: 50-200μg per dosage unit
• Solution Preparation: Dissolve in pH 6.8 buffer at ≤40°C
• Stability: Maintain nitrogen atmosphere during processing

Documented Client Implementations

Case 1: European Nutraceutical Producer

• Client: Vitalis Supplements GmbH
• Application: High-potency selenium capsules
• Outcome: 23% bioavailability improvement vs selenite

Case 2: US Research Institution

• Client: Stanford Molecular Biology Lab
• Application: Cancer chemoprevention study
• Outcome: Successful GPx1 enzyme activation at 0.1μM concentration

Case 3: Asian Feed Manufacturer

• Client: GreenAgro Feeds Co., Ltd.
• Application: Broiler chicken feed additive
• Outcome: 15% reduction in mortality rate

Technical & Commercial Consultation

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