H-Leu-OEt·HCl - ≥99% , CAS No.2743-40-0

CAS: 2743-40-0 Cat. No.: L100533 Molecular Weight: 195.69 Beilstein Registry Number: 3994312 EC Number: 220-375-6
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
ethyl (2S)-2-amino-4-methylpentanoate;hydrochloride | H-Leu-OEt.HCl | NOUDPBCEONUCOV-FJXQXJEOSA-N | Ethyl L-leucinate hydrochloride L-Leu-OEt.HCl | Ethyl L-leucinate hydrochloride | J-300167 | (S)-Ethyl 2-amino-4-methylpentanoate hydrochloride | SCHEMBL13
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
L100533-5g
2

$10.90

$14.90
Save $4.00 (26.85%)
25g
L100533-25g
1

$14.90

$23.90
Save $9.00 (37.66%)
100g
L100533-100g
3

$50.90

$85.90
Save $35.00 (40.75%)
250g
L100533-250g
2

$107.90

$192.90
Save $85.00 (44.06%)
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Why this grade

≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C Ships Wet ice 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
ethyl (2S)-2-amino-4-methylpentanoate;hydrochloride | H-Leu-OEt.HCl | NOUDPBCEONUCOV-FJXQXJEOSA-N | Ethyl L-leucinate hydrochloride L-Leu-OEt.HCl | Ethyl L-leucinate hydrochloride | J-300167 | (S)-Ethyl 2-amino-4-methylpentanoate hydrochloride | SCHEMBL13
Specifications & Purity
≥99%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥99%
Names and Identifiers
Pubchem Sid504766630
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504766630
Canonical SmilesCCOC(=O)C(CC(C)C)N.Cl
IUPAC Nameethyl (2S)-2-amino-4-methylpentanoate;hydrochloride
InChIKeyNOUDPBCEONUCOV-FJXQXJEOSA-N
INCHI1S/C8H17NO2.ClH/c1-4-11-8(10)7(9)5-6(2)3;/h6-7H,4-5,9H2,1-3H3;1H/t7-;/m0./s1
Isomeric SMILES CCOC(=O)[C@H](CC(C)C)N.Cl
WGK Germany 3
Molecular Weight 195.69
Beilstein 3994312
Reaxy-Rn 4710860
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=4710860&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 Amino acids and derivatives - Alpha amino acids and derivatives
Direct ParentLeucine and derivatives
Alternative Parents Alpha amino acid esters  Fatty acid esters  Carboxylic acid esters  Monocarboxylic acids and derivatives  Organic oxides  Monoalkylamines  Hydrochlorides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Leucine or derivatives - Alpha-amino acid ester - Fatty acid ester - Fatty acyl - Carboxylic acid ester - Monocarboxylic acid or derivatives - Organic nitrogen compound - Hydrochloride - Primary amine - Organooxygen compound - Organonitrogen compound - Hydrocarbon derivative - Primary aliphatic amine - Organic oxide - Organic oxygen compound - Carbonyl group - Amine - Aliphatic acyclic compound
DescriptionThis 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 Not available
3D Structure
Interactive Chemical Structure Model





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.

6 results found

Lot NumberCertificate TypeDateItem
B2223091Certificate of AnalysisDec 10, 2025 L100533
B2223046Certificate of AnalysisDec 10, 2025 L100533
A2607490Certificate of AnalysisJul 13, 2024 L100533
A2607491Certificate of AnalysisJul 13, 2024 L100533
A2607492Certificate of AnalysisJul 13, 2024 L100533
H1524041Certificate of AnalysisApr 13, 2023 L100533
Chemical and Physical Properties
SolubilitySoluble in water.
Specific Rotation[α]19 ° (C=5, EtOH)
Melt Point(°C)134-136°C
Molecular Weight195.690 g/mol
XLogP3
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count3
Rotatable Bond Count5
Exact Mass195.103 Da
Monoisotopic Mass195.103 Da
Topological Polar Surface Area52.300 Ų
Heavy Atom Count12
Formal Charge0
Complexity123.000
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 Count2
Solution Calculators
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