L-Leucine - Animal Free, USP, JP, Moligand™, Ph.Eur., for cell culture, ≥98.5% , CAS No.61-90-5

CAS: 61-90-5 Cat. No.: L433130 Fórmula: C6H13NO2 Peso molecular: 131.17 Beilstein Registry Number: 4437 Número CE: 200-522-0
Disponível para encomenda
GRADE & PURITY Animal Free ? Animal-free — produced without animal-derived components to reduce contamination risk. Use in biomanufacturing and culture avoiding animal-origin material. USP ? United States Pharmacopeia grade — meets USP monograph specs for pharmaceutical use. Use for drug manufacturing, QC, and applications requiring US compendial compliance. JP ? Japanese Pharmacopoeia grade — conforms to JP monograph standards. Use for pharmaceutical products subject to Japanese regulatory requirements. Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. Ph.Eur. ? European Pharmacopoeia grade — conforms to Ph.Eur. monographs across EU member states. Use for pharmaceutical work needing European compendial compliance. for Cell culture ? Cell-culture grade — low endotoxin and contaminants to support viable cell growth. Use in mammalian/other cell culture media and supplements. ≥98.5%
Synonyms
(S)-2-Amino-4-methylpentanoic acid | NSC-46709 | .alpha.-Amino-.gamma.-methylvaleric acid | LEUCINE [HSDB] | 2-Amino-4-methylvaleric acid (L) | L-Leu | GMW67QNF9C | IS_LEUCINE-5,5,5-D3 | MFCD00002617 | (S)-2-Amino-4-methylpentanoate | L-LEUCINE [USP-RS] |
Storage
Protected from light,Room temperature
Shipped In
Normal
★
Size
Alemanha (EU)
USA*
Price
Qty
25g
L433130-25g
—
4 Em stock
65,86€
100g
L433130-100g
—
2 Em stock
160,44€
500g
L433130-500g
1 Em stock
2 Em stock
676,75€
Enter a quantity for the sizes you want to add.
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Why this grade

Animal Free, USP, JP, Moligand™, Ph.Eur., for cell culture, ≥98.5% Animal Free,for Cell culture,JP,Moligand™,Ph.Eur.,USP for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Protected from light,Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 359 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Visão geral

Application

L-leucine has been used as a hypertrophic agent to monitor its effects on myotubes. It has also been used as a component of PMG media for culturing yeast.

Specifications

Sinónimos
(S)-2-Amino-4-methylpentanoic acid | NSC-46709 | .alpha.-Amino-.gamma.-methylvaleric acid | LEUCINE [HSDB] | 2-Amino-4-methylvaleric acid (L) | L-Leu | GMW67QNF9C | IS_LEUCINE-5,5,5-D3 | MFCD00002617 | (S)-2-Amino-4-methylpentanoate | L-LEUCINE [USP-RS] |
Especificações e pureza
Animal Free, USP, JP, Moligand™, Ph.Eur., for cell culture, ≥98.5%
Mecanismos bioquímicos e fisiológicos
Leucine is a non-glucogenic, essential amino acid. It is a branched-chain amino acid that is a structural component of proteins. Leucine positively influences insulin release to eliminate toxic sugars out of the blood. The degradation of leucine leads to
Condições de armazenamento de armazenamento
Protected from light,Room temperature
Enviado em
Normal
Grau
Animal Free, for Cell culture, JP, Moligand™, Ph.Eur., USP
Pureza
≥98.5%
Nomes e identificadores
Pubchem Sid504750999
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504750999
Sorrisos canónicosCC(C)CC(C(=O)O)N
IUPAC Name(2S)-2-amino-4-methylpentanoic acid
InChIKeyROHFNLRQFUQHCH-YFKPBYRVSA-N
INCHI1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t5-/m0/s1
SMILES isoméricas CC(C)C[C@@H](C(=O)O)N
WGK Alemanha 1
Peso molecular 131.17
Beilstein 4437
Reaxy-Rn 636005
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=636005&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClasseCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Amino acids and derivatives - Alpha amino acids and derivatives
Direct ParentLeucine and derivatives
Alternative Parents L-alpha-amino acids  Methyl-branched fatty acids  Amino acids  Monocarboxylic acids and derivatives  Carboxylic acids  Organopnictogen compounds  Organic oxides  Monoalkylamines  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Leucine or derivatives - Alpha-amino acid - L-alpha-amino acid - Branched fatty acid - Methyl-branched fatty acid - Fatty acid - Fatty acyl - Amino acid - Monocarboxylic acid or derivatives - Carboxylic acid - Organic oxide - Organopnictogen compound - Primary amine - Organooxygen compound - Organonitrogen compound - Primary aliphatic amine - Carbonyl group - Organic oxygen compound - Amine - Organic nitrogen compound - Hydrocarbon derivative - Aliphatic acyclic compound
DescriçãoThis compound belongs to the class of organic compounds known as leucine and derivatives. These are compounds containing leucine or a derivative thereof resulting from reaction of leucine at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom.
External Descriptors Common amino acids
Estrutura 3D
Modelo de Estrutura Química Interativa





Alvos associados (humanos)
CYP2D6 Tclin Cytochrome P450 2D6 (33882 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP1A2 Tchem Cytochrome P450 1A2 (26471 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP2C9 Tchem Cytochrome P450 2C9 (32119 Activities)
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CYP2C19 Tchem Cytochrome P450 2C19 (29246 Activities)
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CYP3A4 Tclin Cytochrome P450 3A4 (53859 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Homo sapiens (32628 Activities)
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SLC7A5 Tchem L-type amino acid transporter 1 (388 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ALPL Tchem Alkaline phosphatase, tissue-nonspecific isozyme (1551 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Liver microsomes (16955 Activities)
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PLAA Tchem Phospholipase A-2-activating protein (44 Activities)
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SLC36A1 Tchem Proton-coupled amino acid transporter 1 (102 Activities)
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SLC16A10 SLC16A10 protein (28 Activities)
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Alvos associados (não humanos)
Hdac6 Histone deacetylase 6 (222 Activities)
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Iap Intestinal alkaline phosphatase (419 Activities)
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Pseudomonas aeruginosa (123386 Activities)
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Klebsiella pneumoniae (43867 Activities)
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Staphylococcus epidermidis (22802 Activities)
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Escherichia coli (133304 Activities)
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Bacillus subtilis (32866 Activities)
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Aspergillus fumigatus (16427 Activities)
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Cryptococcus neoformans (21258 Activities)
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Candida albicans (78123 Activities)
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Candida parapsilosis (8521 Activities)
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Plasmodium berghei (192651 Activities)
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Mus musculus (284745 Activities)
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Sporothrix schenckii (1580 Activities)
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MDCK (10148 Activities)
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RAW264.7 (28094 Activities)
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NIH3T3 (5395 Activities)
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rep Replicase polyprotein 1ab (378 Activities)
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Trichophyton mentagrophytes (4846 Activities)
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Slc16a10 Monocarboxylate transporter 10 (73 Activities)
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SLC16A2 Monocarboxylate transporter 8 (28 Activities)
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Lipopolysaccharide (LPS) (376 Activities)
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Mecanismos de ação
Certificados(CoA,COO,BSE/TSE e Mapa de Análise)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

9 results found

Lot NumberCertificate TypeDataItem
H2605063Certificate of AnalysisAug 17, 2026 L433130
D2623842Certificate of AnalysisApr 25, 2026 L433130
E2326859Certificate of AnalysisMar 11, 2026 L433130
E2326860Certificate of AnalysisMar 11, 2026 L433130
E2326861Certificate of AnalysisMar 11, 2026 L433130
E2326862Certificate of AnalysisMar 11, 2026 L433130
E2327315Certificate of AnalysisMar 11, 2026 L433130
E2326855Certificate of AnalysisMay 12, 2023 L433130
F2504013Certificate of AnalysisMay 12, 2023 L433130
Propriedades químicas e físicas
Solubilidade1 M HCl: 50mg/mL
SensibilidadeSensitive to light; Sensitivity to humidity
Rotação específica [α][α]20/D +15.5±0.5°, c = 5% in 5 M HCl
Ponto de ebulição (°C)122-134 °C
Ponto de fusão (°C)270-340 °C (decomposition)
Peso molecular131.170 g/mol
XLogP3-1.500
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count3
Rotatable Bond Count3
Exact Mass131.095 Da
Monoisotopic Mass131.095 Da
Topological Polar Surface Area63.300 Ų
Heavy Atom Count9
Formal Charge0
Complexity101.000
Isotope Atom Count0
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
FAQs e artigos
Guidelines For Common Cell Culture Media
From Spec to Bench: Understanding and Using USP Grade Reagents
JP Grade Reagents Explained
For Cell Culture
List of Natural Amino Acids
Peptide Basics
β-Acyloxy Alkenyl Amides (AAAs): A New Approach to Amide Bond and Peptide Bond Construction Worth Attention
Silicon Reagent-Assisted Peptide Synthesis: Research Progress and Methodological Value of Peptide Bond Formation from Unprotected Substrates
From Analytical Instrument to Synthetic Platform: A New Strategy for Reconstructing Automated Flow Solid-Phase Peptide Synthesis with Standard Analytical HPLC
Reassessing Trimethylaluminum: Method Design and Experimental Value of One-Pot Peptide Elongation from Unprotected Amino Acids
Central–Peripheral Signaling Networks Regulated by Neuropeptides and the Integration of Energy Metabolism
Methods and Applications for the Determination of Amino Acid Content and Composition
Analysis of Hydrolyzed Pearl as a Cosmetic Raw Material: Preparation Process, Active Components, and Skincare Formulation Applications
Sources, Host-Regulatory Mechanisms, and Tumor-Immune Effects of Gut Microbiota-Derived Metabolites
Citations of This Product
Calculadoras de soluções
Revisões

Avaliações dos Clientes

Perguntas frequentes

What is the purity of this product?
This product is supplied at ≥98.5% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
What does Animal Free mean?
Animal Free indicates that the material has been processed and tested for specialty industrial processing. Specifications focus on the impurities that affect performance in that application — for example, metal content for electronics, particle size for batteries, refractive index for optics, or moisture content for moisture-sensitive processes.
What does USP mean?
USP indicates that the material complies with the published monographs of the relevant pharmacopoeia (USP). Specifications include identity, assay, impurity limits, residual solvents and other tests defined in the monograph. USP-compliant material is suitable for pharmacopoeia-compliant pharmaceutical use, including pharmaceutical manufacturing, QC and regulatory submission.
How should this product be stored?
Store at room temperature, protected from light. The material is light-sensitive — keep it in its original opaque or amber container.
How is this product shipped?
This product ships under standard ambient conditions. No temperature-controlled packaging is required.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 61-90-5, the molecular formula is C6H13NO2, and the molecular weight is 131.17 g/mol. InChIKey ROHFNLRQFUQHCH-YFKPBYRVSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

Need help choosing the grade?

Our grade selection guide covers purity, stabilizer status, and application suitability for all variants in our catalog.

View Animal Free grade guide → View USP grade guide → View JP grade guide → View Moligand™ grade guide → View Ph.Eur. grade guide → View for Cell culture grade guide →

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