Morpholine - CP, ≥98% , CAS No.110-91-8

CAS: 110-91-8 Cat. No.: M109061 Formula: C4H9NO Molecular Weight: 87.12 Beilstein Registry Number: 102549 EC Number: 203-815-1
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GRADE & PURITY CP ? Chemically Pure grade — moderate purity above technical grade but below analytical. Use for general lab reactions where ultra-low impurities aren't critical. ≥98%
Synonyms
C4H9NO | Drewamine | NCGC00256942-01 | J-522715 | 4-27-00-00015 (Beilstein Handbook Reference) | Diethyleneimide oxide | Tetrahydro-1,4-isoxazine | UNII-8B2ZCK305O | Tetrahydro-1, 4-isoxazine | TETRAHYDRO-2H-1, 4-OXAZINE | Tetrahydro-4H-1-4-oxazine | AI3-
Storage
Room temperature
Shipped In
FedEx DG Service
★
Size
Germany (EU)
USA*
Price
Qty
500ml
M109061-500ml
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1 In stock

€15.53

€23.34
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Specifications

Synonyms
C4H9NO | Drewamine | NCGC00256942-01 | J-522715 | 4-27-00-00015 (Beilstein Handbook Reference) | Diethyleneimide oxide | Tetrahydro-1,4-isoxazine | UNII-8B2ZCK305O | Tetrahydro-1, 4-isoxazine | TETRAHYDRO-2H-1, 4-OXAZINE | Tetrahydro-4H-1-4-oxazine | AI3-
Specifications & Purity
CP, ≥98%
Storage
Room temperature
Shipped In
FedEx DG Service
Grade
CP
Purity
≥98%
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/508812890
Canonical Smiles
C1COCCN1
IUPAC Name
morpholine
InChIKey
YNAVUWVOSKDBBP-UHFFFAOYSA-N
INCHI
1S/C4H9NO/c1-3-6-4-2-5-1/h5H,1-4H2
Isomeric SMILES
C1COCCN1
WGK Germany
1
RTECS
QD6475000
UN Number
2054
Packing Group
I
Molecular Weight
87.12
Beilstein
102549
Reaxy-Rn
102549
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=102549&ln=

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassOxazinanes
SubclassMorpholines
Intermediate Tree Nodes Not available
Direct ParentMorpholines
Alternative Parents Oxacyclic compounds  Dialkylamines  Dialkyl ethers  Azacyclic compounds  Organopnictogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents Morpholine - Oxacycle - Azacycle - Secondary amine - Ether - Secondary aliphatic amine - 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 morpholines - saturated organic heteromonocyclic parent
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
CYP1B1 Tchem Cytochrome P450 1B1 (1148 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP1A1 Tchem Cytochrome P450 1A1 (1169 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.

15 results found

Lot NumberCertificate TypeDateItem
G2607196G2607196Certificate of AnalysisJul 14, 2026 M109061
L2508035L2508035Certificate of AnalysisDec 11, 2025 M109061
D2410401D2410401Certificate of AnalysisJun 09, 2025 M109061
H2401142H2401142Certificate of AnalysisJul 27, 2024 M109061
H2401143H2401143Certificate of AnalysisJul 27, 2024 M109061
D2410399D2410399Certificate of AnalysisApr 24, 2024 M109061
G23151055G23151055Certificate of AnalysisJul 20, 2023 M109061
G23151054G23151054Certificate of AnalysisJul 20, 2023 M109061
E2324279E2324279Certificate of AnalysisMay 29, 2023 M109061
K2210351K2210351Certificate of AnalysisNov 14, 2022 M109061
K2210345K2210345Certificate of AnalysisNov 14, 2022 M109061
F2225385F2225385Certificate of AnalysisJun 30, 2022 M109061
C2225008C2225008Certificate of AnalysisApr 30, 2022 M109061
F2225384F2225384Certificate of AnalysisSep 18, 2021 M109061
I2115330I2115330Certificate of AnalysisSep 18, 2021 M109061
Chemical and Physical Properties
SolubilityIt is miscible with water and can be miscible with most organic solvents.
SensitivityHygroscopic
Refractive Index1.4548
Flash Point(°F)87.8 °F
Flash Point(°C)35℃
Boil Point(°C)128.3°C
Melt Point(°C)-4.76°C
Molecular Weight87.120 g/mol
XLogP3-0.900
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass87.0684 Da
Monoisotopic Mass87.0684 Da
Topological Polar Surface Area21.300 Ų
Heavy Atom Count6
Formal Charge0
Complexity34.500
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
Picking CP Grade Reagents: Applications, Limits, and Upgrade Paths
OSF/ASF Dual-Channel Toolbox: Divergent Reactions of Four-Membered Ring Sulfonyl Fluorides, Condition “Knobs,” and Selection Navigation
Make “Aryl Chlorides + Low Pd Loading + Scale-Up Reproducibility” Reliable: The Initiation and Durability Logic of Pd–NHC (Palladium–N-Heterocyclic Carbene) Cross-Coupling (with Selection Navigation and Product Tables)
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)
Haloheterocycles and Cross-Coupling: A Research-Oriented Selection Framework from Substrate Identification to Bond-Forming Routes (Including Product Navigation and Tables 1–5)
β-Acyloxy Alkenyl Amides (AAAs): A New Approach to Amide Bond and Peptide Bond Construction Worth Attention
DAST-Mediated Amidation at Room Temperature: Method Features, Practical Value, and Scope of Applicability
Triphenylphosphine-Involved Carboxylic Acid Activation and Amide Bond Formation: Activation Pathways, Anhydride Competition, and Applicability Scenarios
Experimental Decision-Making for Cross-Coupling Reactions: Target Bond Type, Substrate Combination, and Catalytic System Selection
Application of Shellac, a Natural Film-Forming Resin, in Coatings: Alcohol-Soluble Fast-Drying Film Formation, Sealing and Repair, and Performance Boundaries
Rationale for Applying Spirocyclic Building Blocks in Drug Molecule Optimization: Three-Dimensionalization, Conformational Control, and Property Trade-offs
Medicinal Chemistry Value of Heteroatom-Containing Small-Ring Spirocycles: Classical Heterocycle Replacement and Three-Dimensional Exit Vector Remodeling
Strain Release of Azatricycloalkanes: Modular Bridge-Position Functionalization and Stereochemical Control of Three-Dimensional Bridged Aza Scaffolds
How to Select Morpholine Intermediates: From Connection Sites and Target Bond Types to Synthetic Route Design
1,8-Naphthyridine-Based Aldose Reductase Inhibitors: Scaffold Construction, In Vitro Inhibitory Activity, and Directions for Structural Optimization
Why Primary and Secondary Amines Have Difficulty Participating Directly in the Classical Mitsunobu Reaction: Mechanism, Inversion of Configuration, and Reaction Scope of BEHT-Mediated Alcohol Amination
Why Do Drugs “Borrow Water” to Bind Proteins? Structural and Thermodynamic Basis of Hydrogen Bonds Mediated by Bound Water
From 459,000 Recorded Ring Systems to 3,902 Candidate Ring Systems: Selection Patterns of Clinically Relevant Ring Systems
Desaturative Amination for the Synthesis of Amino Heteroarenes: Carbonyl-Site Predefinition of the C–N Bond-Forming Position and Subsequent Desaturative Aromatization
Citations of This Product
Solution Calculators
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