L-Methionine Methyl Ester Hydrochloride - ≥98% , CAS No.2491-18-1

CAS: 2491-18-1 Cat. No.: M109222 Molecular Weight: 199.7 Beilstein Registry Number: 3913214 EC Number: 219-651-9
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
H-Met-OMe hydrochloride | L-METHIONINE METHYL ESTER HCl | AC-19226 | MFCD00012491 | MPWSRGAWRAYBJK-UHFFFAOYSA-N | H-Met-OMe.HCl | J-300200 | Methyl 2-amino-4-(methylsulfanyl)butanoate | L-methionine, methyl ester hydrochloride | SCHEMBL200899 | Met-OMe. H
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
M109222-5g
3
$9.90
10g
M109222-10g
3
$10.90
25g
M109222-25g
3

$20.90

$31.90
Save $11.00 (34.48%)
100g
M109222-100g
3

$82.90

$124.90
Save $42.00 (33.63%)
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 Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

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Quality documents

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

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Literature proof

Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
H-Met-OMe hydrochloride | L-METHIONINE METHYL ESTER HCl | AC-19226 | MFCD00012491 | MPWSRGAWRAYBJK-UHFFFAOYSA-N | H-Met-OMe.HCl | J-300200 | Methyl 2-amino-4-(methylsulfanyl)butanoate | L-methionine, methyl ester hydrochloride | SCHEMBL200899 | Met-OMe. H
Specifications & Purity
≥98%
Storage
Store at -20°C
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
Pubchem Sid488197496
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488197496
Canonical SmilesCOC(=O)C(CCSC)N.Cl
IUPAC Namemethyl (2S)-2-amino-4-methylsulfanylbutanoate;hydrochloride
InChIKeyMEVUPUNLVKELNV-JEDNCBNOSA-N
INCHI1S/C6H13NO2S.ClH/c1-9-6(8)5(7)3-4-10-2;/h5H,3-4,7H2,1-2H3;1H/t5-;/m0./s1
Isomeric SMILES COC(=O)[C@H](CCSC)N.Cl
WGK Germany 3
Alternate CAS 10332-17-9
Molecular Weight 199.7
Beilstein 3913214
Reaxy-Rn 3913212
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3913212&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 ParentMethionine and derivatives
Alternative Parents Alpha amino acid esters  Fatty acid esters  Quaternary ammonium salts  Methyl esters  Sulfenyl compounds  Monocarboxylic acids and derivatives  Dialkylthioethers  Organic oxides  Organic chloride salts  Monoalkylamines  Hydrocarbon derivatives  Carbonyl compounds  Organic cations  
Molecular FrameworkAliphatic acyclic compounds
Substituents Methionine or derivatives - Alpha-amino acid ester - Fatty acid ester - Fatty acyl - Quaternary ammonium salt - Methyl ester - Carboxylic acid ester - Monocarboxylic acid or derivatives - Thioether - Sulfenyl compound - Dialkylthioether - Amine - Organic nitrogen compound - Hydrocarbon derivative - Primary amine - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Primary aliphatic amine - Organic oxide - Organic oxygen compound - Organic chloride salt - Carbonyl group - Organic salt - Organic cation - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as methionine and derivatives. These are compounds containing methionine or a derivative thereof resulting from reaction of methionine 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





Associated Targets(non-human)
metG Methionyl-tRNA synthetase (123 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
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.

11 results found

Lot NumberCertificate TypeDateItem
J2114378Certificate of AnalysisJul 10, 2025 M109222
J2114389Certificate of AnalysisJul 10, 2025 M109222
D1217035Certificate of AnalysisMar 13, 2023 M109222
B23091002Certificate of AnalysisDec 17, 2022 M109222
B23091036Certificate of AnalysisDec 17, 2022 M109222
B23091052Certificate of AnalysisDec 17, 2022 M109222
B2309981Certificate of AnalysisDec 17, 2022 M109222
B2309984Certificate of AnalysisDec 17, 2022 M109222
B2309996Certificate of AnalysisDec 17, 2022 M109222
B2309998Certificate of AnalysisDec 17, 2022 M109222
C2626094Certificate of AnalysisDec 17, 2022 M109222

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Chemical and Physical Properties
SolubilitySoluble in water.
SensitivityHygroscopic
Specific Rotation[α][α]D 26° (C=1,H2O)
Melt Point(°C)150°C
Molecular Weight199.700 g/mol
XLogP3
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count5
Exact Mass199.043 Da
Monoisotopic Mass199.043 Da
Topological Polar Surface Area77.600 Ų
Heavy Atom Count11
Formal Charge0
Complexity108.000
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
Citations of This Product
References
1. Luyao Zheng, Zhiyuan Zhao, Ye Yang, Yaming Li, Chengxiao Wang.  (2020)  Novel skin permeation enhancers based on amino acid ester ionic liquid: Design and permeation mechanism.  INTERNATIONAL JOURNAL OF PHARMACEUTICS,      [PMID:31953082] [10.1016/j.ijpharm.2020.119031]
Solution Calculators
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