MES Buffered Solution - 0.05M,pH6.7, With 0.001M EDTA , CAS No.4432-31-9

CAS: 4432-31-9 Cat. No.: M301885 Formula: C6H13NO4S Molecular Weight: 195.24 Beilstein Registry Number: 141319 EC Number: 224-632-3
AVAILABLE TO ORDER
GRADE & PURITY 0.05M,pH6.7, With 0.001M EDTA
Synonyms
Morpholineethanesulfonic acid | Phenol, o-phenoxy- | SCHEMBL6200 | W-106203 | MES, low moisture content, >=99% (titration) | 2-Propenoic acid, 2-methyl-, 2-aminoethyl ester, hydrochloride | 3,3,4,4-Biphenyltetracarboxylic Dianhydride | Q209294 | 2-(n-morp
Storage
Store at 2-8°C
Shipped In
Wet ice
★
Size
USA
Germany (EU)*
Price
Qty
500ml
M301885-500ml
3 In stock
—
$68.90
Enter a quantity for the sizes you want to add.
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Why this grade

0.05M,pH6.7, With 0.001M EDTA 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 799 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Morpholineethanesulfonic acid | Phenol, o-phenoxy- | SCHEMBL6200 | W-106203 | MES, low moisture content, >=99% (titration) | 2-Propenoic acid, 2-methyl-, 2-aminoethyl ester, hydrochloride | 3,3,4,4-Biphenyltetracarboxylic Dianhydride | Q209294 | 2-(n-morp
Specifications & Purity
0.05M,pH6.7, With 0.001M EDTA
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Names and Identifiers
PH
6.65-6.75
Canonical Smiles
C1COCCN1CCS(=O)(=O)O
IUPAC Name
2-morpholin-4-ylethanesulfonic acid
InChIKey
SXGZJKUKBWWHRA-UHFFFAOYSA-N
INCHI
1S/C6H13NO4S/c8-12(9,10)6-3-7-1-4-11-5-2-7/h1-6H2,(H,8,9,10)
Isomeric SMILES
C1COCCN1CCS(=O)(=O)O
WGK Germany
1
RTECS
QE3479500
Molecular Weight
195.24
Beilstein
141319
Reaxy-Rn
141319
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=141319&ln=

Documentation

📋 Safety Data Sheet (SDS)

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

<<<<<<< HEAD Download SDS → ======= Download SDS → >>>>>>> release248-p3

✅ 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
SuperclassOrganoheterocyclic compounds
ClassOxazinanes
SubclassMorpholines
Intermediate Tree Nodes Not available
Direct ParentMorpholines
Alternative Parents Sulfonyls  Organosulfonic acids  Alkanesulfonic acids  Trialkylamines  Oxacyclic compounds  Dialkyl ethers  Azacyclic compounds  Organopnictogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents Morpholine - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Alkanesulfonic acid - Tertiary amine - Tertiary aliphatic amine - Dialkyl ether - Ether - Oxacycle - Azacycle - Organopnictogen compound - Organic oxygen compound - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organic nitrogen compound - Organic oxide - Hydrocarbon derivative - Amine - Aliphatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as morpholines. These are organic compounds containing a morpholine moiety, which consists of a six-member aliphatic saturated ring with the formula C4H9NO, where the oxygen and nitrogen atoms lie at positions 1 and 4, respectively.
External Descriptors organosulfonic acid - MES
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
POLH Tchem DNA polymerase eta (21678 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CBX1 Tbio Chromobox protein homolog 1 (92434 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
ampC Beta-lactamase AmpC (62480 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Plasmodium falciparum (966862 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.

16 results found

Lot NumberCertificate TypeDateItem
I2515120I2515120Certificate of AnalysisSep 19, 2025 M301885
A2429215A2429215Certificate of AnalysisJun 12, 2025 M301885
L2402728L2402728Certificate of AnalysisDec 03, 2024 M301885
J2429578J2429578Certificate of AnalysisOct 31, 2024 M301885
G2422501G2422501Certificate of AnalysisAug 22, 2024 M301885
D2424006D2424006Certificate of AnalysisApr 26, 2024 M301885
K2301539K2301539Certificate of AnalysisNov 14, 2023 M301885
I2312001I2312001Certificate of AnalysisOct 08, 2023 M301885
G2321457G2321457Certificate of AnalysisJul 24, 2023 M301885
G2321448G2321448Certificate of AnalysisJul 24, 2023 M301885
G2311520G2311520Certificate of AnalysisJul 14, 2023 M301885
F2312001F2312001Certificate of AnalysisJun 19, 2023 M301885
D2307520D2307520Certificate of AnalysisApr 10, 2023 M301885
K2210195K2210195Certificate of AnalysisNov 14, 2022 M301885
E2231464E2231464Certificate of AnalysisJul 27, 2022 M301885
L2106995L2106995Certificate of AnalysisNov 25, 2021 M301885
Chemical and Physical Properties
SolubilitySolubility in Water almost transparency
Melt Point(°C)316°C
Molecular Weight195.240 g/mol
XLogP3-3.500
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count5
Rotatable Bond Count3
Exact Mass195.057 Da
Monoisotopic Mass195.057 Da
Topological Polar Surface Area75.200 Ų
Heavy Atom Count12
Formal Charge0
Complexity214.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Media and Supplements in Cell Culture
General Protocol for Western Blotting
Western Blotting with Fluorescently Labeled Antibodies
BN-PAGE Protocol
Histone Western Blot
How to Choose the Best Protein Purification Technique
What is Ion Exchange Chromatography Used For? 4 Important Applications for Protein Purification
Scientific Decision-Making for Chromatography Buffer Selection: Tris-HCl vs Phosphate Systems
How Organic Acids “Stabilize a System”: Selection Logic via the pH Window, Salt Forms, and Metal-Ion Management (with a navigation guide to Tables A–E)
Phytase: Enzymological Properties, Mechanism of Action, and Applications in Feed and Food
Why Do So Many Molecules Incorporate an “Oxadiazole Ring”? A Stability-Oriented Design Guide from Structural Effects to Application Storylines (with Product Navigation Tables 1–3)
Functional Properties, Application Scenarios, and Manufacturing Processes of Maltotetraose (G4): A Review
Research Value of Polyelectrolyte Multilayers: Layer-by-Layer Design of Interfacial Composition, Mass Transport, and Function
Structural Characteristics, Operational Methods, and Separation Applications of Dextran Gels
Good’s buffers
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

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