Molekula

L-Leucine (TF)

SKU 90030867 CAS 61-90-5 C6H13NO2 MW 131.17 Available on enquiry

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch

L-Leucine (TF) is an essential branched-chain amino acid critical for protein synthesis, muscle repair, and energy production in metabolic processes. Its documented applications include serving as a nutritional supplement for foods, acting as a flavoring agent in food products, and use as a reagent in biochemical research. It is widely used in sports nutrition, clinical supplements, and pharmaceutical formulations for its anabolic and performance-enhancing properties. This technical-grade L-Leucine has a CAS number of 61-90-5, molecular formula C6H13NO2, and a molecular weight of 131.17. It is stable at ambient storage conditions and carries no signal word under standard handling. Molekula supplies L-Leucine (TF) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

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Overview

SKU: 90030867
CAS Number: 61-90-5
IUPAC Name: (2S)-2-amino-4-methylpentanoic acid
EC Number: 200-522-0
Molecular Formula: C6H13NO2
Molecular Weight: 131.17
Exact Mass: 131.0946
SMILES: CC(C)C[C@@H](C(=O)O)N
InChIKey: ROHFNLRQFUQHCH-YFKPBYRVSA-N
InChI: InChI=1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t5-/m0/s1
PubChem CID: 6106

Synonyms

(2S)-2-amino-4-methylpentanoic acid
(S)-2-Amino-4-methylpentanoic acid
(S)-2-Amino-4-methylvaleric acid
(S)-Leucine
L-alpha-Aminoisocaproic acid
L-leucine
Leucin
leucine
LEUCINE, L-
Leucinum

Literature values

Published physical properties of the substance, not batch specifications.

Appearance: White crystals
Melting Point: 293 °C
Density: 1.293 g/cm³ at 18 °C
Water Solubility: 21.5 g/L at 25 °C
Solubility (other solvents): Soluble in water, acetic acid, dilute HCl, and alkaline hydroxides and carbonates
Vapour Pressure: 0.00000001 mmHg
pKa: pKa = 2.35 (at 13 °C)
log P (octanol/water): -1.52

Source: PubChem CID 6106 (HSDB, DrugBank, Joint FAO/WHO Expert Committee on Food Additives (JECFA), Haz-Map)

See all 4 other grades of CAS 61-90-5 →

Frequently asked questions

What is L-Leucine (TF) commonly used for?

L-Leucine (TF) is primarily used as a dietary supplement to support muscle growth, recovery, and overall protein synthesis, particularly in sports nutrition and clinical applications.

What is the chemical formula and molecular weight of L-Leucine (TF)?

The chemical formula is **C6H13NO2**, and the molecular weight is **131.17 g/mol**.

How should L-Leucine (TF) be stored?

Store at **ambient temperature** in a dry, well-ventilated area, away from direct sunlight and moisture.

What grade of L-Leucine (TF) does Molekula supply?

Molekula supplies **Technical Grade (TF)**, which is suitable for industrial, nutritional, and research applications.

Can Molekula supply L-Leucine (TF) in bulk quantities?

Yes, Molekula can provide L-Leucine (TF) in bulk, with flexible packaging options to meet your specific requirements.

What documentation comes with an order of L-Leucine (TF)?

Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and a **Packing List** for traceability and compliance.

Related products

Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.