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ChemicalBook >> CAS DataBase List >> 4-Oxoazetidine-2-carboxylic acid

4-Oxoazetidine-2-carboxylic acid

4-Oxoazetidine-2-carboxylic acid price.
  • $35 - $1468.5
  • Product name: 4-Oxoazetidine-2-carboxylic acid
  • CAS: 98019-65-9
  • MF: C4H5NO3
  • MW: 115.09
  • EINECS:
  • MDL Number:MFCD00798160
  • Synonyms:2-Azetidinecarboxylic acid, 4-oxo-;4-Carboxyazetidin-2-one;(2R)-2-azetidinone-4-carboxylic acid;4-Oxoazetidine-2-carboxylic acid
Price38 Properties Safety Information Description
38 prices
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  • A2B
  • aablocks
  • ACHEMBLOCK
  • Acrotein
  • Alichem
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  • American Custom Chemicals Corporation
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  • J&W Pharmlab
  • Matrix Scientific
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  • 5G
  • ManufacturerA2B
  • Product numberAI01544
  • Product description4-Oxo-2-Azetidinecarboxylic Acid 97%
  • Packaging100mg
  • Price$35
  • Updated2026-05-25
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  • ManufacturerA2B
  • Product numberAI01544
  • Product description4-Oxo-2-Azetidinecarboxylic Acid 97%
  • Packaging250mg
  • Price$49
  • Updated2026-05-25
  • Buy
  • ManufacturerA2B
  • Product numberAI01544
  • Product description4-Oxo-2-Azetidinecarboxylic Acid 97%
  • Packaging1g
  • Price$157
  • Updated2026-05-25
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  • Manufactureraablocks
  • Product numberAA00H6JW
  • Product description4-Oxo-2-Azetidinecarboxylic Acid 95%
  • Packaging1g
  • Price$186
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00H6JW
  • Product description4-Oxo-2-Azetidinecarboxylic Acid 95%
  • Packaging100mg
  • Price$40
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00H6JW
  • Product description4-Oxo-2-Azetidinecarboxylic Acid 95%
  • Packaging250mg
  • Price$56
  • Updated2026-05-28
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  • ManufacturerACHEMBLOCK
  • Product numberP34768
  • Product description4-Oxo-2-azetidinecarboxylic acid 95%
  • Packaging1G
  • Price$185
  • Updated2026-05-27
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  • ManufacturerACHEMBLOCK
  • Product numberP34768
  • Product description4-Oxo-2-azetidinecarboxylic acid 95%
  • Packaging5G
  • Price$915
  • Updated2026-05-27
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  • ManufacturerAcrotein
  • Product numberAT-0681
  • Product description4-Oxo-2-azetidinecarboxylic acid 97%
  • Packaging5g
  • Price$922.16
  • Updated2026-05-25
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  • ManufacturerAcrotein
  • Product numberAT-0681
  • Product description4-Oxo-2-azetidinecarboxylic acid 97%
  • Packaging0.5g
  • Price$184.8
  • Updated2026-05-25
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  • ManufacturerAcrotein
  • Product numberAT-0681
  • Product description4-Oxo-2-azetidinecarboxylic acid 97%
  • Packaging1g
  • Price$307.45
  • Updated2026-05-25
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  • ManufacturerAlichem
  • Product number98019659
  • Product description4-Oxo-2-azetidinecarboxylicacid
  • Packaging1g
  • Price$424
  • Updated2021-12-16
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  • ManufacturerAlichem
  • Product number98019659
  • Product description4-Oxo-2-azetidinecarboxylicacid
  • Packaging250mg
  • Price$185.3
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number98019659
  • Product description4-Oxo-2-azetidinecarboxylicacid
  • Packaging5g
  • Price$1349.38
  • Updated2021-12-16
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  • ManufacturerAmbeed
  • Product numberA236111
  • Product description4-Oxo-2-azetidinecarboxylicacid 95%
  • Packaging250mg
  • Price$109
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA236111
  • Product description4-Oxo-2-azetidinecarboxylicacid 95%
  • Packaging5g
  • Price$1139
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
A2B AI01544 4-Oxo-2-Azetidinecarboxylic Acid 97% 100mg $35 2026-05-25 Buy
A2B AI01544 4-Oxo-2-Azetidinecarboxylic Acid 97% 250mg $49 2026-05-25 Buy
A2B AI01544 4-Oxo-2-Azetidinecarboxylic Acid 97% 1g $157 2026-05-25 Buy
aablocks AA00H6JW 4-Oxo-2-Azetidinecarboxylic Acid 95% 1g $186 2026-05-28 Buy
aablocks AA00H6JW 4-Oxo-2-Azetidinecarboxylic Acid 95% 100mg $40 2026-05-28 Buy
aablocks AA00H6JW 4-Oxo-2-Azetidinecarboxylic Acid 95% 250mg $56 2026-05-28 Buy
ACHEMBLOCK P34768 4-Oxo-2-azetidinecarboxylic acid 95% 1G $185 2026-05-27 Buy
ACHEMBLOCK P34768 4-Oxo-2-azetidinecarboxylic acid 95% 5G $915 2026-05-27 Buy
Acrotein AT-0681 4-Oxo-2-azetidinecarboxylic acid 97% 5g $922.16 2026-05-25 Buy
Acrotein AT-0681 4-Oxo-2-azetidinecarboxylic acid 97% 0.5g $184.8 2026-05-25 Buy
Acrotein AT-0681 4-Oxo-2-azetidinecarboxylic acid 97% 1g $307.45 2026-05-25 Buy
Alichem 98019659 4-Oxo-2-azetidinecarboxylicacid 1g $424 2021-12-16 Buy
Alichem 98019659 4-Oxo-2-azetidinecarboxylicacid 250mg $185.3 2021-12-16 Buy
Alichem 98019659 4-Oxo-2-azetidinecarboxylicacid 5g $1349.38 2021-12-16 Buy
Ambeed A236111 4-Oxo-2-azetidinecarboxylicacid 95% 250mg $109 2021-12-16 Buy
Ambeed A236111 4-Oxo-2-azetidinecarboxylicacid 95% 5g $1139 2021-12-16 Buy
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Properties

Boiling point :489.4±38.0 °C(Predicted)
Density :1.519±0.06 g/cm3(Predicted)
storage temp. :under inert gas (nitrogen or Argon) at 2-8°C
pka :3.19±0.20(Predicted)
Appearance :White to off-white Solid
InChI :InChI=1S/C4H5NO3/c6-3-1-2(5-3)4(7)8/h2H,1H2,(H,5,6)(H,7,8)
InChIKey :YSPMLLKKKHCTBN-UHFFFAOYSA-N
SMILES :N1C(=O)CC1C(O)=O

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

4-Oxoazetidine-2-carboxylic acid may be interpreted as a cyclic mimetic of the amino acid Asp. Due to the high reactivity of the four-membered ring, this molecule can serve as an “electrophilic trap” in reactions with nucleophiles. 4-oxoazetidine-2-carboxylic acid can be used as a building block for developing enzyme inhibitors, particularly protease inhibitors. It undergoes coupling reactions with amino acids and oligopeptide esters. Following desilylation of the amino acid residue and deprotection, free β-lactam peptides are obtained[1].

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(2R)-4-Oxoazetidine-2-carboxylic acid 16404-94-7 (R)-benzyl 4-oxoazetidine-2-carboxylate 72776-05-7 4-(Benzyloxycarbonyl)-2-azetidinone

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Suppliers and manufacturers

J & K SCIENTIFIC LTD. Syntechem Co.,Ltd Nanjing JinruiJiuAn Biotechnology Co., Ltd. Shanghai Jian Chao Chemical Technology Co., Ltd. Candia Thamtech Company Limited Shanghai Aladdin Bio-Chem Technology Co.,LTD Amatek Scientific Co. Ltd. Beijin Yangguang Furui Chemical co.,Ltd. Chengdu Firster Pharmaceutical Co., Ltd. Shanghai HuanChuan Industry Co.,Ltd.