2-Azetidinone - ≥97% , CAS No.930-21-2

CAS: 930-21-2 Cat. No.: A139449 Molecular Weight: 71.08 Beilstein Registry Number: 104563 EC Number: 628-180-1
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
BBL100059 | CHEBI:35627 | EN300-70816 | CH3CHClCH2Cl | InChI=1/C3H5NO/c5-3-1-2-4-3/h1-2H2,(H,4,5 | MFCD00013328 | Propiolactam | DTXSID30239225 | PS-9375 | AMY18291 | METHACRYALDEHYDE | Azetidinone | 2-Azetidinone | MNFORVFSTILPAW-UHFFFAOYSA-N | beta-Lact
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
100mg
A139449-100mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$9.90

$14.90
Save $5.00 (33.56%)
1g
A139449-1g
4

$17.90

$26.90
Save $9.00 (33.46%)
5g
A139449-5g
3

$47.90

$71.90
Save $24.00 (33.38%)
10g
A139449-10g
3

$94.90

$142.90
Save $48.00 (33.59%)
25g
A139449-25g
3

$236.90

$355.90
Save $119.00 (33.44%)
Enter a quantity for the sizes you want to add.
🧪

Why this grade

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

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice 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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

It is an unsubstituted four membered lactam.It is the fundamental building block of β-lactam antibiotics. X-ray photoelectron spectra of 2-azetidinone was investigated.It undergoes hydrolysis with aqueous alkali to yield β-alanine.
It was used in synthesis of optically pure densely functionalized γ-lactams.

Specifications

Synonyms
BBL100059 | CHEBI:35627 | EN300-70816 | CH3CHClCH2Cl | InChI=1/C3H5NO/c5-3-1-2-4-3/h1-2H2, (H, 4, 5 | MFCD00013328 | Propiolactam | DTXSID30239225 | PS-9375 | AMY18291 | METHACRYALDEHYDE | Azetidinone | 2-Azetidinone | MNFORVFSTILPAW-UHFFFAOYSA-N | beta-Lact
Specifications & Purity
≥97%
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Pubchem Sid488187900
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488187900
Canonical SmilesC1CNC1=O
IUPAC Nameazetidin-2-one
InChIKeyMNFORVFSTILPAW-UHFFFAOYSA-N
INCHI1S/C3H5NO/c5-3-1-2-4-3/h1-2H2,(H,4,5)
Isomeric SMILES C1CNC1=O
WGK Germany 3
Molecular Weight 71.08
Beilstein 104563
Reaxy-Rn 104563
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=104563&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
SuperclassOrganic acids and derivatives
ClassCarboximidic acids and derivatives
SubclassCarboximidic acids
Intermediate Tree Nodes Not available
Direct ParentCyclic carboximidic acids
Alternative Parents Lactims  Propargyl-type 1,3-dipolar organic compounds  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents Cyclic carboximidic acid - Lactim - Azacycle - Organoheterocyclic compound - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aliphatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as cyclic carboximidic acids. These are organic acids with the general formula RC(=N)-OH (R=H, organic group), where the carboximidic acid group is part of a cycle.
External Descriptors beta-lactam
3D Structure
Interactive Chemical Structure Model





Associated Targets(non-human)
Moraxella catarrhalis (3334 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.

8 results found

Lot NumberCertificate TypeDateItem
E2429024Certificate of AnalysisMar 11, 2026 A139449
K2519143Certificate of AnalysisNov 21, 2025 A139449
B2209135Certificate of AnalysisAug 11, 2025 A139449
B2209137Certificate of AnalysisAug 11, 2025 A139449
B2209138Certificate of AnalysisAug 11, 2025 A139449
B2209225Certificate of AnalysisAug 11, 2025 A139449
C2306646Certificate of AnalysisDec 09, 2024 A139449
K1928032Certificate of AnalysisJul 17, 2023 A139449
Chemical and Physical Properties
Solubilitychloroform: very soluble;ethanol: very slightly soluble;water: very soluble
Boil Point(°C)106 °C/15 mmHg
Melt Point(°C)74-76°C
Molecular Weight71.080 g/mol
XLogP3-0.800
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count1
Rotatable Bond Count0
Exact Mass71.0371 Da
Monoisotopic Mass71.0371 Da
Topological Polar Surface Area29.100 Ų
Heavy Atom Count5
Formal Charge0
Complexity59.900
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
Citations of This Product
References
1. Yao Qiufang, Fan Bitao, Xiong Ye, Jin Chunde, Sun Qingfeng, Sheng Chengmin.  (2017)  3D assembly based on 2D structure of Cellulose Nanofibril/Graphene Oxide Hybrid Aerogel for Adsorptive Removal of Antibiotics in Water.  Scientific Reports,  (1): (1-13).  [PMID:28368045] [10.1038/srep45914]
Solution Calculators
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.