Leu-Leu-Leu - ≥98% , CAS No.10329-75-6

CAS: 10329-75-6 Cat. No.: L121357 Molecular Weight: 357.49
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
CHEBI:74541 | Trileucine | l-leucyl-l-leucyl-l-leucine | (S)-2-((S)-2-((S)-2-Amino-4-methylpentanamido)-4-methylpentanamido)-4-methylpentanoic acid | Leu-leu-leu | L-Leucine,L-leucyl-L-leucyl- | AKOS027320356 | UNII-L6HEL5ZI2V | L6HEL5ZI2V | L-Leucine, N-
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
L121357-250mg
3

$50.90

$76.90
Save $26.00 (33.81%)
1g
L121357-1g
1

$150.90

$226.90
Save $76.00 (33.49%)
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C,Argon charged Ships Ice chest + Ice pads 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 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Leu-Leu-Leu, an endosome escape moiety, may be used for pH-dependent endosomal membrane disruption to release agents such as antisense oligonucleotides (AONs) inside cells. Trileucine is used to evaluate the absorption characteristics of reversed phase liquid chromatography (HPLC) media.

Specifications

Synonyms
CHEBI:74541 | Trileucine | l-leucyl-l-leucyl-l-leucine | (S)-2-((S)-2-((S)-2-Amino-4-methylpentanamido)-4-methylpentanamido)-4-methylpentanoic acid | Leu-leu-leu | L-Leucine, L-leucyl-L-leucyl- | AKOS027320356 | UNII-L6HEL5ZI2V | L6HEL5ZI2V | L-Leucine, N-
Specifications & Purity
≥98%
Storage
Store at -20°C, Argon charged
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Canonical SmilesCC(C)CC(C(=O)NC(CC(C)C)C(=O)NC(CC(C)C)C(=O)O)N
IUPAC Name(2S)-2-[[(2S)-2-[[(2S)-2-amino-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]-4-methylpentanoic acid
InChIKeyDNDWZFHLZVYOGF-KKUMJFAQSA-N
INCHI1S/C18H35N3O4/c1-10(2)7-13(19)16(22)20-14(8-11(3)4)17(23)21-15(18(24)25)9-12(5)6/h10-15H,7-9,19H2,1-6H3,(H,20,22)(H,21,23)(H,24,25)/t13-,14-,15-/m0/s1
Isomeric SMILES CC(C)C[C@@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)O)N
WGK Germany 3
Molecular Weight 357.49
Reaxy-Rn 1729803
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1729803&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
ClassCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Not available
Direct ParentPeptides
Alternative Parents Leucine and derivatives  N-acyl-alpha amino acids  Methyl-branched fatty acids  Amino acids  Propargyl-type 1,3-dipolar organic compounds  Monocarboxylic acids and derivatives  Carboxylic acids  Carboximidic acids  Organopnictogen compounds  Organic oxides  Monoalkylamines  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Alpha peptide - Leucine or derivatives - N-acyl-alpha-amino acid - N-acyl-alpha amino acid or derivatives - Alpha-amino acid or derivatives - Branched fatty acid - Methyl-branched fatty acid - Fatty acyl - Fatty acid - Amino acid or derivatives - Amino acid - Carboximidic acid - Carboximidic acid derivative - Carboxylic acid - Monocarboxylic acid or derivatives - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic oxide - Organic oxygen compound - Primary aliphatic amine - Amine - Organic nitrogen compound - Hydrocarbon derivative - Organonitrogen compound - Organooxygen compound - Organopnictogen compound - Primary amine - Carbonyl group - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as peptides. These are compounds containing an amide derived from two or more amino carboxylic acid molecules (the same or different) by formation of a covalent bond from the carbonyl carbon of one to the nitrogen atom of another.
External Descriptors tripeptide
3D Structure
Interactive Chemical Structure Model





Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
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.

1 results found

Lot NumberCertificate TypeDateItem
I1525094Certificate of AnalysisJun 05, 2023 L121357
Chemical and Physical Properties
Molecular Weight357.500 g/mol
XLogP3-0.900
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count5
Rotatable Bond Count11
Exact Mass357.263 Da
Monoisotopic Mass357.263 Da
Topological Polar Surface Area122.000 Ų
Heavy Atom Count25
Formal Charge0
Complexity450.000
Isotope Atom Count0
Defined Atom Stereocenter Count3
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Wei Jia, Jiying Zhu.  (2023)  Molecular Mechanism of ε-Polylysine Treatment of Animal-Derived Foods: Glycine Amidinotransferase Activity Implicates Upregulation of l-Arginine and Creatine.  JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,      [PMID:37793042] [10.1021/acs.jafc.3c04033]
2. Jiying Zhu, Wei Jia, Jian Peng.  (2024)  Dissecting the binding effect of Crocetin glucosyltransferase 2 in crocetin biotransformation in saffron (Crocus sativus L.) from different origins.  FOOD CHEMISTRY,      [PMID:38838622] [10.1016/j.foodchem.2024.139917]
Solution Calculators
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