L-Leucine CAS:61-90-5
L-Leucine CAS:61-90-5

L-Leucine CAS:61-90-5

Chemical formula: C6H13NO2
Molecular weight: 131.17
CAS:61-90-5
EINECS:200-522-0
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Products Description

 

Chemical formula C6H13NO2
Molecular weight 131.17
CAS 61-90-5
EINECS 200-522-0
Package 25kg/bag

 

introduction

 

L-Leucine is a natural essential amino acid, belonging to the branched-chain amino acid (BCAA) family, and is widely used in food nutrition, medicine, and feed.

 

Products applications

 

Food and Nutritional Supplement Industry: Used in functional foods and sports nutrition formulations as a source of essential amino acids, aiding in protein synthesis and fortification.

 

Pharmaceutical and Health Products Industry: Used as an amino acid raw material in amino acid preparations and compound nutritional formulations; high stability, suitable for pharmaceutical-grade formulation systems.

 

Animal Feed Industry:Used as a high-end feed additive to improve protein utilization, promote animal growth, and enhance feed conversion efficiency.

 

Biochemical and Scientific Research Fields:Used as an organic synthesis intermediate and experimental reagent; batch-to-batch stability, suitable for large-scale applications.

 

why choose us

 

Qualifications and Certifications: Compliant with international chemical management and export standards; products can be provided with complete Certificates of Authorization (COA) and relevant compliance documents, supporting global customs clearance.

 

Production Capacity: Large-scale production lines, stable annual production capacity, strong long-term bulk supply capability, meeting the needs of large orders.

 

Quality Control: Triple control measures from raw material selection → production process monitoring → finished product testing ensure batch stability and consistency.

 

Service Capabilities: Comprehensive pre-sales technical support, in-sales order follow-up, and after-sales quality response mechanisms; supports customized needs.

 

Packaging and Transportation

 

Packaging Specifications: Standard Packaging: 25kg/bag (inner PE bag, outer kraft paper bag)

 

Optional Packaging: Customized small packaging or ton bag packaging according to customer requirements

 

Logistics and Delivery: Supports sea, air, and land transportation; stable regular delivery cycle; provides complete export documents (such as COA, MSDS, packing list, invoice, etc.).

 

COA

 

Item

Standard

Result

Test Method

Appearance

White crystals or crystalline
powder

Conforms

Visual

Identification

Infrared Absorption

Conforms

USP<197K>

Specific rotation [α]D 25

+14.9°~+17.3°

+15.4°

USP<781S>

pH

5.5~7.0

6.O

USP<791>

Loss on drying

≤0.2%

0.14%

USP<731>

Residue on ignition

≤0.4%

0.09%

USP<281>

Chloride(Cl)

≤0.05%

<0.05%

USP<221>

Sulfate(SO4)

≤0.03%

<0.03%

USP<221>

Iron(Fe)

≤0.003%

<0.003%

USP<241>

Heavy metals(Pb)

≤0.0015%

<0.0015%

USP<231>

Organic volatile impurities

Meets the requirements

Conforms

USP<467>

Assay

98.5~101.5%

99.70%

Titration

 

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