N-Methyl morpholine - ≥99%(GC) , CAS No.109-02-4

CAS: 109-02-4 Cat. No.: M104642 Formula: C5H11NO Molecular Weight: 101.15 Beilstein Registry Number: 102719 EC Number: 203-640-0
AVAILABLE TO ORDER
GRADE & PURITY ≥99%(GC)
Synonyms
4-Methylmorpholine, ReagentPlus(R), 99% | STL294217 | N-methyimorpholine | 4-methymorpholine | N-Methyl morphofine pound>>Morpholine, 4-methyl- | SCHEMBL4622 | 4-Methylmorpholine, BioXtra, suitable for protein sequencing, >=99.5% (GC) | N-methylmorphline
Storage
Protected from light,Room temperature
Shipped In
FedEx DG Service
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Size
USA
Germany (EU)*
Price
Qty
100ml
M104642-100ml
8 In stock
7 In stock

$13.90

$26.90
Save $13.00 (48.33%)
500ml
M104642-500ml
In stock ≥10
—
$39.90
Enter a quantity for the sizes you want to add.
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Why this grade

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

🌡

Storage & shipping

Protected from light,Room temperature Ships FedEx DG Service 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 69 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
4-Methylmorpholine, ReagentPlus(R), 99% | STL294217 | N-methyimorpholine | 4-methymorpholine | N-Methyl morphofine pound>>Morpholine, 4-methyl- | SCHEMBL4622 | 4-Methylmorpholine, BioXtra, suitable for protein sequencing, >=99.5% (GC) | N-methylmorphline
Specifications & Purity
≥99%(GC)
Storage
Protected from light,Room temperature
Shipped In
FedEx DG Service
Purity
≥99%(GC)
Names and Identifiers
Pubchem Sid
Canonical Smiles
CN1CCOCC1
IUPAC Name
4-methylmorpholine
InChIKey
SJRJJKPEHAURKC-UHFFFAOYSA-N
INCHI
1S/C5H11NO/c1-6-2-4-7-5-3-6/h2-5H2,1H3
Isomeric SMILES
CN1CCOCC1
WGK Germany
1
RTECS
QE5775000
UN Number
2535
Packing Group
II
Molecular Weight
101.15
Beilstein
102719
Reaxy-Rn
102719
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=102719&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
SuperclassOrganoheterocyclic compounds
ClassOxazinanes
SubclassMorpholines
Intermediate Tree Nodes Not available
Direct ParentMorpholines
Alternative Parents Trialkylamines  Oxacyclic compounds  Dialkyl ethers  Azacyclic compounds  Organopnictogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents Morpholine - Tertiary aliphatic amine - Tertiary amine - Oxacycle - Azacycle - Ether - Dialkyl ether - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - 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 Not available
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.

31 results found

Lot NumberCertificate TypeDateItem
K2216260Certificate of AnalysisAug 04, 2026 M104642
H2628058Certificate of AnalysisApr 11, 2026 M104642
G2628113Certificate of AnalysisApr 11, 2026 M104642
D2602179Certificate of AnalysisApr 11, 2026 M104642
D2602180Certificate of AnalysisApr 11, 2026 M104642
D2602184Certificate of AnalysisApr 11, 2026 M104642
F2225390Certificate of AnalysisApr 02, 2026 M104642
K2518122Certificate of AnalysisSep 15, 2025 M104642
I2502153Certificate of AnalysisSep 15, 2025 M104642
I2502160Certificate of AnalysisSep 15, 2025 M104642
I2502216Certificate of AnalysisSep 15, 2025 M104642
D2501084Certificate of AnalysisDec 27, 2024 M104642
L2417276Certificate of AnalysisDec 27, 2024 M104642
B2515114Certificate of AnalysisDec 27, 2024 M104642
L2417283Certificate of AnalysisDec 27, 2024 M104642
L2417285Certificate of AnalysisDec 27, 2024 M104642
L2417297Certificate of AnalysisDec 27, 2024 M104642
J2324071Certificate of AnalysisNov 01, 2023 M104642
G2321883Certificate of AnalysisJul 28, 2023 M104642
I2404025Certificate of AnalysisJul 28, 2023 M104642
G2321869Certificate of AnalysisJul 28, 2023 M104642
G2321868Certificate of AnalysisJul 28, 2023 M104642
D23181250Certificate of AnalysisApr 21, 2023 M104642
D23181245Certificate of AnalysisApr 21, 2023 M104642
D23181170Certificate of AnalysisApr 21, 2023 M104642
K2225195Certificate of AnalysisJan 04, 2023 M104642
C2201062Certificate of AnalysisMar 03, 2022 M104642
F2225392Certificate of AnalysisDec 27, 2021 M104642
F2225391Certificate of AnalysisDec 27, 2021 M104642
F2225389Certificate of AnalysisDec 27, 2021 M104642
L2122537Certificate of AnalysisDec 27, 2021 M104642
Chemical and Physical Properties
SolubilityMiscible with water, soluble in benzene.
SensitivityLight sensitive.
Refractive Index1.4332
Flash Point(°C)12℃
Boil Point(°C)111-114°C
Melt Point(°C)-65°C
Molecular Weight101.150 g/mol
XLogP3-0.300
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass101.084 Da
Monoisotopic Mass101.084 Da
Topological Polar Surface Area12.500 Ų
Heavy Atom Count7
Formal Charge0
Complexity50.000
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
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)
β-Acyloxy Alkenyl Amides (AAAs): A New Approach to Amide Bond and Peptide Bond Construction Worth Attention
Understanding ATD-DMAP: From Reagent Design to Esterification, Amidation, and Stereochemical Integrity
A New Balance in Coupling Reagents: How DMT-TU Balances Reactivity, Racemization Control, and Thermal Hazard
The Positioning of TBTU in Practice: Racemization Risk, Extended Uses, and Selection Criteria
The Methodological Value of HATU in Difficult Couplings: Reactivity Advantages, Stereochemical Retention, and Condition Management
The Methodological Value of Boc-Oxyma: Low-Racemization Coupling, Route Continuity, and Extended Applications
Low Racemization in Peptide Synthesis Is Not Just About Reagent Choice: Stereochemical Risk During the Activation Stage and Practical Strategies for Experimental Control
The Methodological Value of TCFH: Advantages in Challenging Amidation and the Switching Logic of Carboxylic Acid Activation Pathways
Decision Logic for Peptide Synthesis Routes: Applicability and Criteria for Choosing among SPPS, LPPS, and Recombinant Expression
Decision Logic for Selecting Coupling Reagents in Amide Bond Formation: Activation Pathways, Side Reactions, Epimerization, Workup, and Safety
Experimental Selection Logic for Carboxylic Acid Preactivation Pathways: Differences and Suitable Use Cases for Classical Mixed Anhydrides, CDI, Sulfonyl Chloride Systems, and the Yamaguchi System
Boc₂O Selection Cannot Be Judged by Protection Installation Alone: Experimental Decision-Making from Substrate Nucleophilicity and Medium Effects to Deprotection Pathways
DMAP Is More Than Just an Organic Base: Experimental Judgment from Nucleophilic Acyl Transfer to Esterification and Macrolactonization
Experimental Evaluation of Triphosgene in Organic Synthesis: Understanding Its Selection Logic Through Reaction Tasks
Experimental Judgment for TFPN in Carboxylic Acid Activation: Suitable Scenarios, Intermediate Distribution, and Nucleophile Compatibility
Selective Acylation of Less Reactive Amines in Complex Substrates: Strategies for N/O and N/N Selectivity Control This article draws on the work of Li et al. on the TCFH/catalytic Oxyma system and transient imine protection, and summarizes design strateg
How to Troubleshoot Abnormal Impurities in Peptide Synthesis? Locating Process Issues Through Amino-Related Side Reactions
Peptide Intermediates Difficult to Dissolve and Separate? Route Design and Workup Strategies for Tag-Assisted Liquid-Phase Peptide Synthesis (TAG-LPPS)
AITF-Mediated Carboxylic Acid Activation for the Synthesis of Amides, Peptides, and Esters: Activation Mechanism and Applicable Scenarios
Formation and Control of Carboxyl- and Hydroxyl-Related Impurities in Peptide Synthesis — Using Asp/Glu and Ser/Thr Residue Side Reactions as Examples
Logic for Selecting Amidation Reagents in Aqueous Media: Competing Reactions, Activated Intermediates, and Substrate Effects
How to Select Morpholine Intermediates: From Connection Sites and Target Bond Types to Synthetic Route Design
Citations of This Product
Solution Calculators
Reviews

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