Home > Molecule Formula Directory > C5H4O2
- Name:2-Oxabicyclo[2.2.0]hex-5-en-3-one
- Cas:22980-23-0
- Formula:C5H4O2
- Synonyms:2-Cyclobutene-1-carboxylicacid, 4-hydroxy-, b-lactone (7CI)
- Name:4-Cyclopentene-1,3-dione
- Cas:930-60-9
- Formula:C5H4O2
- Synonyms:1-Cyclopentene-3,5-dione;2-Cyclopentene-1,4-dione;Cyclopentene-1,3-dione;Cyclopentene-3,5-dione;Cyclopentenedione;NSC 155336;
- Name:2-methylene-3(2H)-furanone
- Cas:92544-22-4
- Formula:C5H4O2
- Synonyms:2-methylene-3(2H)-furanone
- Name:Pyrylium, 3-hydroxy-, inner salt
- Cas:92277-34-4
- Formula:C5H4O2
- Synonyms:3-Hydroxypyryliumhydroxide, inner salt (7CI)
- Name:2-(1,3-benzodioxol-5-yl)-N-(3,4-dimethoxybenzyl)-N-(2-ethoxybenzyl)ethanamine
- Cas:5963-80-4
- Formula:C5H4O2
- Name:4-bromo-N-(4-sulfamoylphenyl)benzenesulfonamide
- Cas:5266-63-7
- Formula:C5H4O2
- Synonyms:2-Cyclopropene-D1,a-acetic acid (8CI); Acetic acid,(2-cyclopropen-1-ylidene)-
- Name:2-Penten-4-ynoic acid, (E)-
- Cas:68267-52-7
- Formula:C5H4O2
- Name:3-Furaldehyde
- Cas:498-60-2
- Formula:C5H4O2
- Synonyms:3-Furylcarboxaldehyde;3-Furylaldehyde;3-Furfural;3-Formylfuran;3-Furaldehyde(7CI,8CI);Furan-3-carbaldehyde;
- Name:Furfural
- Cas:98-01-1
- Formula:C5H4O2
- Synonyms:Pyromucic aldehyde;2-Furil-metanale [Italian];Bran oil;2-Furyl-methanal;Furyl-methanal;2-Furfural;Furfuraldehyde;Furol;Furfurol;Quakeral;2-Furanaldehyde;2-Furaldehyde;1/C5H4O2/c6-4-5-2-1-3-7-5/h1-4;2-Furil-metanale;Furfurale [Italian];RCRA waste no. U125;2-Furancarbonal;furan-2-carbaldehyde;Furfural (natural);NCI-C56177;2-Furankarbaldehyd [Czech];EPA Pesticide Chemical Code 043301;FEMA No. 2489;RCRA waste number U125;2-Furylcarboxaldehyde;2-Formylfuran;Furancarbonal;Artificial oil of ants;Furfurale;5-17-09-00292 (Beilstein Handbook Reference);2-Furancarboxaldehyde;2-Formylofuran [Polish];Furaldehydes [UN1199] [Poison];Furfurylaldehyde;Furale;
- Name:2-Oxetanone, 4-ethynyl-
- Cas:59092-51-2
- Formula:C5H4O2
