Name: Source Factory Supply Hot Selling High Quality 99.4% L-Leucine CAS 61-90-5 for sport support products
Brand: Wuhan Fortuna Chemical Co., Ltd.

Detailed Description

Specifications of L-Leucine CAS 61-90-5

Items	Specifications	Results
Appearance(25℃)	White crystals or crystalline powder	Conforms
Assay	98.5~101.5%	99.4%
Residue on ignition	≤0.4%	0.06%
Chloride(Cl)	≤0.05%	<0.05%
Sulfate(SO₄)	≤0.03%	<0.03%
Iron(Fe)	≤30ppm	<30ppm
Related Compounds	Not more than 0.5% of any individual impurity is found； Not more than 2.0% of total impurities is found	Conforms
Specific rotation [α]D²⁵	+14.9°~+17.3°	+15.6°
pH	5.5~7.0	6.0
Loss on drying	≤0.2%	0.14%
Conclusion	The product conforms to the above specifications.

Parameters of L-Leucine CAS 61-90-5

Product parameters
Cas number:	61-90-5
Appearance:	White crystalline powder
Purity:	98.5~101.5%
Package details:	25kg/drum
Brand:	Fortunachem

Uses:

L-Leucine: The Master Switch for Muscle Protein Synthesis & Elite Athletic Performance

L-Leucine is a premium, essential branched-chain amino acid (BCAA) that serves as the foundational cornerstone in advanced sports nutrition. Universally recognized as the most potent anabolic trigger among all amino acids, it is the critical determinant of protein quality and the primary catalyst for muscle adaptation.

Core Mechanism: Activating the mTOR Pathway

The unique physiological advantage of L-Leucine lies in its direct and potent ability to activate the mechanistic target of rapamycin complex 1 (mTORC1) signaling pathway. Acting as a powerful nutrient sensor, L-Leucine binds to specific intracellular proteins to "turn on" the mTORC1 complex. This activation initiates a vital cascade of downstream events, including the phosphorylation of key proteins like S6K1 and 4E-BP1, which directly stimulates mRNA translation and initiates muscle protein synthesis. In essence, L-Leucine acts as the "spark" that ignites the muscle-building engine.

Target Applications & Performance Benefits

Maximized Muscle Hypertrophy & Strength: By directly activating mTOR, L-Leucine drives the adaptive responses to resistance training. It ensures that the energy and building blocks provided by Power Support and other amino acids are efficiently translated into new muscle tissue, maximizing lean mass and strength gains.

Synergy with Exercise & Recovery: L-Leucine’s activation of mTOR works synergistically with insulin and mechanical tension from strength training. Post-workout supplementation rapidly restores intracellular leucine levels, releasing the inhibition of translation initiation factors and accelerating post-exercise muscle repair and supercompensation.

Anti-Catabolic Protection: Beyond building muscle, L-Leucine helps preserve lean mass during caloric deficits or catabolic stress (such as intense endurance training or aging), ensuring that hard-earned muscle is not broken down for energy.

Global Market Positioning

L-Leucine is the undisputed "master switch" in global sports nutrition. For B2B brands, incorporating this premium, science-backed amino acid is non-negotiable for any elite muscle-building, pre-workout, or recovery formulation. It provides the definitive, clinically proven signal required to optimize athletic performance and drive tangible muscle growth.

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Also, if you have any other questions, you can contact us
FAQ From Wuhan Fortuna Chemical Co.,Ltd

Q1: Can I get a sample for free ?
A: For small QTY and low value product, we can provide sample for free exclude shipping cost. For high value sample, we will charge the basic sample cost, but we can refund all the cost if customers place order after sample test.
Q2: How to confirm the product quality before placing orders ?
A: Most of our products confirm to international standards like USP/EP/BP/JP/CP. We will provide COA/TDS/MSDS for customers to confirm the specification before placing order.
Q3: What is the payment you accept?
A: For small and low value order, we accept CreditCard, MaterCard,VISA,Western Union and T/T.For large order, we can do T/T and L/C. Any pay on delivery or pay-after are not available for us.
Q4: What is your shipment way ?
A: For less than 100kg gross weight order will ship with courier like FedEx or UPS, we support customers to place courier orders remotely by their account, we will package the goods well and wait for pick up.For more than 100kg goods, we will transport by Air or Sea according to customers' requirement.
Q5: How long is your after-sales service?
A: We accept customer’s quality complaint in three month after customer received the goods. We provide tech.support for all-life if customer place order from our company.

Q6: How do you treat quality complaint ?

A: We support customer to provide our products to any rightful third party testing organization to test our products according to the COA specification, if the test result is confirm with COA, we will take all the loss for customers.

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Company Information

Name:Wuhan Fortuna Chemical Co.,Ltd

Category:Others

Trade Category: Trading Company

Employees: 11 - 50 People

Address: Room 2015, No.2 Building, Kaixin Mansion No.107

Company Information: Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical and Intermediates, Food and Feed additives, Fine chemicals,Biochemical and Reagent, which is the members of Hubei E-commerce Chamber.

Our company has professional persons who major in chemical R&D and sicentific management, supply fine chemical products with high quality and close service, also supply custom-tailored products according to our clients' requirement.

We have a positive and self-motivated management work team with a common philosophy, caring and commitment through teamwork, our team strive to achieve success in delighting our clients and ourselves.

Since Wuhan Fortuna Chemical Co., Ltd founded, we continuously innovate our products and improve our service, sales network. Hence, we initiate the first sale mode on net in China, which is the retail trade of small package bring along wholesale of diversified management modes. Our products are exported widely to South Korea, Vietnam, Australia, Europe and South America, highly recommended by our clients.We insist on the management creed “Market is our compass, Quality is our life, Credit is our soul”. Clients’ trust is our forward power, their satisfaction is our struggling goal.

Wuhan Fortuna Chemical Co.,Ltd is a professional manufacturer which provide L-Leucine with good quality and best price, welcome to contact us to get COA/TDS/MSDS of L-Leucine.

Our Advantages:

1. Guaranteed purity;

2. Large quantity in stock;

3. Largest manufacturer;

4. Best service after shipment with email;

5. High quality & competitive price;