4-(4-Chlorophenyl)azetidin-2-one - ≥97% , CAS No.21161-20-6

CAS: 21161-20-6 Cat. No.: C1028144 Molecular Weight: 181.620 EC Number: 829-381-9
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Storage
Room temperature
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
C1028144-250mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$289.90
500mg
C1028144-500mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$423.90
1g
C1028144-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$629.90
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Why this grade

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

🌡

Storage & shipping

Room temperature Ships 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Specifications & Purity
≥97%
Storage
Room temperature
Purity
≥97%
Names and Identifiers
Canonical SmilesC1C(NC1=O)C2=CC=C(C=C2)Cl
IUPAC Name4-(4-chlorophenyl)azetidin-2-one
InChIKeyFCPWUBIYYNDWKZ-UHFFFAOYSA-N
INCHI1S/C9H8ClNO/c10-7-3-1-6(2-4-7)8-5-9(12)11-8/h1-4,8H,5H2,(H,11,12)
Molecular Weight 181.620

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.

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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
ClassLactams
SubclassBeta lactams
Intermediate Tree Nodes Not available
Direct ParentMonobactams
Alternative Parents Phenylazetidines  Chlorobenzenes  Aryl chlorides  Secondary carboxylic acid amides  Azacyclic compounds  Organonitrogen compounds  Organochlorides  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Monobactam - 2-phenylazetidine - Chlorobenzene - Halobenzene - Aryl chloride - Aryl halide - Monocyclic benzene moiety - Benzenoid - Azetidine - Secondary carboxylic acid amide - Carboxamide group - Azacycle - Carboxylic acid derivative - Organic nitrogen compound - Organohalogen compound - Organochloride - Organonitrogen compound - Organooxygen compound - Carbonyl group - Hydrocarbon derivative - Organic oxide - Organic oxygen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as monobactams. These are compounds comprising beta-lactam ring is alone and not fused to another ring.
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:
Chemical and Physical Properties
Molecular Weight181.620 g/mol
XLogP31.400
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count1
Rotatable Bond Count1
Exact Mass181.029 Da
Monoisotopic Mass181.029 Da
Topological Polar Surface Area29.100 Ų
Heavy Atom Count12
Formal Charge0
Complexity187.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count1
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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