L-Methionine sulfoximine (MSX) - Moligand™, ≥98% , CAS No.15985-39-4

CAS: 15985-39-4 Cat. No.: M111096 Molecular Weight: 180.23 Beilstein Registry Number: 6175446 EC Number: 629-483-1
AVAILABLE TO ORDER
GRADE & PURITY Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%
Synonyms
(2S)-2-Amino-4-(S-methylsufonimidoyl)butanoic acid | (2S)-2-Amino-4-(S-methylsufonimidoyl)-butanoic acid | (E)-3-pyridin-3-ylprop-2-enoic acid | NCGC00094132-04 | MFCD00002621 | AKOS015892783 | L-Methionine sulfoximine | M 5379 | Prestwick0_000523 | SPBio
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
50mg
M111096-50mg
3

$15.90

$23.90
Save $8.00 (33.47%)
250mg
M111096-250mg
3
$69.90
500mg
M111096-500mg
3
$119.90
1g
M111096-1g
3
$189.90
5g
M111096-5g
1
$569.90
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Why this grade

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

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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 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

L-Methionine [R,S]-Sulfoximine inhibits both γGCS g-glutamylcysteine synthetase and Gl Syn (glutamine synthetase). Working concentrations for inhibition of g-glutamylcysteine synthetase are 0.2-2.0 mM (52% inhibition occured at 100 mM).

Specifications

Synonyms
(2S)-2-Amino-4-(S-methylsufonimidoyl)butanoic acid | (2S)-2-Amino-4-(S-methylsufonimidoyl)-butanoic acid | (E)-3-pyridin-3-ylprop-2-enoic acid | NCGC00094132-04 | MFCD00002621 | AKOS015892783 | L-Methionine sulfoximine | M 5379 | Prestwick0_000523 | SPBio
Specifications & Purity
Moligand™, ≥98%
Biochemical and Physiological Mechanisms
L-Methionine sulfoximine (MSX) enhances NH3 production in seedling leaves wheat, barley, corn and sorghum plants by inhibiting glutamine synthetase (GS) activity. Methionine sulfoximine (MSX) increases ornithine decarboxylase activity, decreases the survi
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.
Grade
Moligand™
Action Type
INHIBITOR
Purity
≥98%
Names and Identifiers
Pubchem Sid488186540
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488186540
Canonical SmilesCS(=N)(=O)CCC(C(=O)O)N
IUPAC Name(2S)-2-amino-4-(methylsulfonimidoyl)butanoic acid
InChIKeySXTAYKAGBXMACB-DPVSGNNYSA-N
INCHI1S/C5H12N2O3S/c1-11(7,10)3-2-4(6)5(8)9/h4,7H,2-3,6H2,1H3,(H,8,9)/t4-,11?/m0/s1
Isomeric SMILES CS(=N)(=O)CC[C@@H](C(=O)O)N
WGK Germany 3
Molecular Weight 180.23
Beilstein 6175446
Reaxy-Rn 1725509
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1725509&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 - Alpha amino acids
Direct ParentL-alpha-amino acids
Alternative Parents Thia fatty acids  Carbo-azosulfones  Amino acids  Monocarboxylic acids and derivatives  Carboxylic acids  Organopnictogen compounds  Organic oxides  Monoalkylamines  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents L-alpha-amino acid - Thia fatty acid - Fatty acid - Fatty acyl - Carbo-azosulfone - Amino acid - Carboxylic acid - Monocarboxylic acid or derivatives - Organopnictogen compound - Organic oxygen compound - Organic nitrogen compound - Primary amine - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Amine - Primary aliphatic amine - Carbonyl group - Organic oxide - Hydrocarbon derivative - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as l-alpha-amino acids. These are alpha amino acids which have the L-configuration of the alpha-carbon atom.
External Descriptors non-proteinogenic L-alpha-amino acid - L-methionine derivative - methionine sulfoximine
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.

44 results found

Lot NumberCertificate TypeDateItem
D2620344Certificate of AnalysisMar 09, 2026 M111096
D2620343Certificate of AnalysisMar 09, 2026 M111096
D2620342Certificate of AnalysisMar 09, 2026 M111096
D2620341Certificate of AnalysisMar 09, 2026 M111096
D2620338Certificate of AnalysisMar 09, 2026 M111096
J2531419Certificate of AnalysisOct 25, 2025 M111096
J2531412Certificate of AnalysisOct 25, 2025 M111096
J2531411Certificate of AnalysisOct 25, 2025 M111096
J2531404Certificate of AnalysisOct 25, 2025 M111096
J2531403Certificate of AnalysisOct 25, 2025 M111096
B2628236Certificate of AnalysisOct 25, 2025 M111096
D2517532Certificate of AnalysisApr 07, 2025 M111096
D2525480Certificate of AnalysisApr 07, 2025 M111096
D2517531Certificate of AnalysisApr 07, 2025 M111096
D2517519Certificate of AnalysisApr 07, 2025 M111096
D2517518Certificate of AnalysisApr 07, 2025 M111096
G2423428Certificate of AnalysisJul 13, 2024 M111096
G2423427Certificate of AnalysisJul 13, 2024 M111096
G2423142Certificate of AnalysisJul 13, 2024 M111096
G2423429Certificate of AnalysisJul 13, 2024 M111096
G2423431Certificate of AnalysisJul 13, 2024 M111096
A2409391Certificate of AnalysisDec 27, 2023 M111096
G2404059Certificate of AnalysisDec 27, 2023 M111096
A2409392Certificate of AnalysisDec 27, 2023 M111096
A2409393Certificate of AnalysisDec 27, 2023 M111096
A2409398Certificate of AnalysisDec 27, 2023 M111096
A2409403Certificate of AnalysisDec 27, 2023 M111096
A2409399Certificate of AnalysisDec 27, 2023 M111096
A2409400Certificate of AnalysisDec 27, 2023 M111096
A2409401Certificate of AnalysisDec 27, 2023 M111096
A2409402Certificate of AnalysisDec 27, 2023 M111096
A2409404Certificate of AnalysisDec 27, 2023 M111096
A2306612Certificate of AnalysisNov 03, 2022 M111096
A2306627Certificate of AnalysisNov 03, 2022 M111096
A2306710Certificate of AnalysisNov 03, 2022 M111096
A2306711Certificate of AnalysisNov 03, 2022 M111096
A2306716Certificate of AnalysisNov 03, 2022 M111096
A2306718Certificate of AnalysisNov 03, 2022 M111096
A2306759Certificate of AnalysisNov 03, 2022 M111096
A2306581Certificate of AnalysisNov 03, 2022 M111096
F2228462Certificate of AnalysisJun 09, 2022 M111096
F2228454Certificate of AnalysisJun 09, 2022 M111096
F2228453Certificate of AnalysisJun 09, 2022 M111096
F2228436Certificate of AnalysisJun 09, 2022 M111096

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Chemical and Physical Properties
SolubilityDMSO: <1.8 mg/mL (10 mM)
Melt Point(°C)210°C
Molecular Weight180.230 g/mol
XLogP3-1.800
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count5
Rotatable Bond Count4
Exact Mass180.057 Da
Monoisotopic Mass180.057 Da
Topological Polar Surface Area113.000 Ų
Heavy Atom Count11
Formal Charge0
Complexity244.000
Isotope Atom Count0
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count1
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Citations of This Product
References
1. Bin Du, Qingqing Jiao, Yimeng Bai, Min Yu, Mengxue Pang, Mengmeng Zhao, Huizhen Ma, Hanchun Yao.  (2022)  Glutamine Metabolism-Regulated Nanoparticles to Enhance Chemoimmunotherapy by Increasing Antigen Presentation Efficiency.  ACS Applied Materials & Interfaces,      [PMID:35138815] [10.1021/acsami.1c21417]
2. Xinchong Shi, Xiangsong Zhang, Chang Yi, Yubo Liu, Qiao He.  (2015)  [13N]Ammonia Positron Emission Tomographic/Computed Tomographic Imaging Targeting Glutamine Synthetase Expression in Prostate Cancer.  Molecular Imaging,      [PMID:25431095] [10.2310/7290.2014.00048]
Solution Calculators
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