3-methyl-1H-imidazo[4,5-b]pyridin-2-one - ≥97% , CAS No.21991-39-9

CAS: 21991-39-9 Cat. No.: M679962 Molecular Weight: 149.15 PubChem CID: 911233
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
3-Methyl-1H-imidazo[4,5-b]pyridin-2(3H)-one | 3-Methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one | 3-Methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
50mg
M679962-50mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$9.90
250mg
M679962-250mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$19.90
1g
M679962-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$69.90
5g
M679962-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$319.90
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at 2-8°C 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
3-Methyl-1H-imidazo[4, 5-b]pyridin-2(3H)-one | 3-Methyl-1, 3-dihydro-2H-imidazo[4, 5-b]pyridin-2-one | 3-Methyl-1, 3-dihydro-2H-imidazo[4, 5-b]pyridin-2-one
Specifications & Purity
≥97%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Canonical SmilesCN1C2=C(C=CC=N2)NC1=O
IUPAC Name3-methyl-1H-imidazo[4,5-b]pyridin-2-one
InChIKeyUNTZTFGDFVDERP-UHFFFAOYSA-N
INCHI1S/C7H7N3O/c1-10-6-5(9-7(10)11)3-2-4-8-6/h2-4H,1H3,(H,9,11)
Isomeric SMILES CN1C2=C(C=CC=N2)NC1=O
PubChem CID 911233
Molecular Weight 149.15

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
ClassImidazopyridines
SubclassImidazopyridinones
Intermediate Tree Nodes Not available
Direct ParentImidazopyridinones
Alternative Parents Pyridines and derivatives  N-substituted imidazoles  Heteroaromatic compounds  Ureas  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Imidazopyridinone - N-substituted imidazole - Pyridine - Azole - Imidazole - Heteroaromatic compound - Urea - Azacycle - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Organic oxide - Organopnictogen compound - Organic oxygen compound - Organic nitrogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as imidazopyridinones. These are compounds containing an imidazopyridine moiety where the pyridine ring bears a ketone group.
External Descriptors Not available
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.

4 results found

Lot NumberCertificate TypeDateItem
A2622582Certificate of AnalysisNov 29, 2025 M679962
A2622583Certificate of AnalysisNov 29, 2025 M679962
A2622586Certificate of AnalysisNov 29, 2025 M679962
A2630778Certificate of AnalysisNov 29, 2025 M679962
Chemical and Physical Properties
Molecular Weight149.150 g/mol
XLogP30.000
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass149.059 Da
Monoisotopic Mass149.059 Da
Topological Polar Surface Area45.200 Ų
Heavy Atom Count11
Formal Charge0
Complexity183.000
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
Solution Calculators
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