3,3,5,5-Tetramethyl-1-pyrroline N-Oxide(TMPO) - ≥98%(GC) , CAS No.10135-38-3

CAS: 10135-38-3 Cat. No.: T162332 Molecular Weight: 141.21 Beilstein Registry Number: 20(3/4)1977 EC Number: 678-633-2 PubChem CID: 151490
AVAILABLE TO ORDER
GRADE & PURITY ≥98%(GC)
Synonyms
NSC78027 | NSC-78027 | 2,2,4,4-Tetramethyl-3,4-dihydro-2H-pyrrole 1-oxide | 3,3,5,5-Tetramethyl-1-pyrroline N-oxide, 95% | AKOS015842131 | AS-69311 | DTXSID10143871 | SCHEMBL1420817 | 2,2,4,4-tetramethyl-1-oxido-3H-pyrrol-1-ium | 3,3,5,5-Tetramethyl-1-pyr
Storage
Store at 2-8°C,Protected from light,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
50mg
T162332-50mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$58.90

$88.90
Save $30.00 (33.75%)
100mg
T162332-100mg
1

$104.90

$157.90
Save $53.00 (33.57%)
250mg
T162332-250mg
1

$229.90

$344.90
Save $115.00 (33.34%)
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Why this grade

≥98%(GC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at 2-8°C,Protected from light,Argon charged Ships Wet ice 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
NSC78027 | NSC-78027 | 2, 2, 4, 4-Tetramethyl-3, 4-dihydro-2H-pyrrole 1-oxide | 3, 3, 5, 5-Tetramethyl-1-pyrroline N-oxide, 95% | AKOS015842131 | AS-69311 | DTXSID10143871 | SCHEMBL1420817 | 2, 2, 4, 4-tetramethyl-1-oxido-3H-pyrrol-1-ium | 3, 3, 5, 5-Tetramethyl-1-pyr
Specifications & Purity
≥98%(GC)
Storage
Store at 2-8°C, Protected from light, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%(GC)
Names and Identifiers
Canonical SmilesCC1(CC([N+](=C1)[O-])(C)C)C
IUPAC Name2,2,4,4-tetramethyl-1-oxido-3H-pyrrol-1-ium
InChIKeyGUQARRULARNYQZ-UHFFFAOYSA-N
INCHI1S/C8H15NO/c1-7(2)5-8(3,4)9(10)6-7/h6H,5H2,1-4H3
Isomeric SMILES CC1(CC([N+](=C1)[O-])(C)C)C
WGK Germany 3
PubChem CID 151490
Molecular Weight 141.21
Beilstein 20(3/4)1977
Reaxy-Rn 111506

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.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassPyrrolines
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentPyrrolines
Alternative Parents Nitrones  Propargyl-type 1,3-dipolar organic compounds  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents Pyrroline - Nitrone - Azacycle - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Allyl-type 1,3-dipolar organic compound - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organonitrogen compound - Aliphatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as pyrrolines. These are compounds containing a pyrroline ring, which is a five-member unsaturated aliphatic ring with one nitrogen atom and four carbon atoms.
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.

3 results found

Lot NumberCertificate TypeDateItem
I2525542Certificate of AnalysisJul 30, 2025 T162332
E2430439Certificate of AnalysisApr 16, 2024 T162332
E2430455Certificate of AnalysisApr 16, 2024 T162332
Chemical and Physical Properties
SensitivityLight Sensitive,Hygroscopic,Heat Sensitive
Boil Point(°C)73 °C/1 mmHg
Melt Point(°C)61 °C
Molecular Weight141.210 g/mol
XLogP30.700
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count0
Exact Mass141.115 Da
Monoisotopic Mass141.115 Da
Topological Polar Surface Area28.800 Ų
Heavy Atom Count10
Formal Charge0
Complexity180.000
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
Citations of This Product
References
1. Yang Zhao, Biao Ma, Xiaomei Liu, Ning Li, Yang Li, Xiaobin Fan, Wenchao Peng.  (2023)  Microwave and template assisted synthesis of atomically dispersed Co–N2 sites on carbon spheres for Fenton-like reaction.  CARBON,      [PMID:] [10.1016/j.carbon.2023.118371]
Solution Calculators
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