Squaric acid
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Description

Squaric acid is a carbon oxoacid that consists of 1,2-diketocyclobut-3-ene bearing two enolic hydroxy substituents at positions 3 and 4. It has a role as a metabolite. It is a carbon oxoacid and an alicyclic ketone. It is a conjugate acid of a hydrogensquarate.

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Source creator
Bernkastel
Source license
Public Domain
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Tags

#nih-3d
#small molecules
#squaric acid
#3,4-dihydroxy-3-cyclobutene-1,2-dione
#2892-51-5
#quadratic acid
#3,4-dihydroxycyclobut-3-ene-1,2-dione
#3-cyclobutene-1,2-dione, 3,4-dihydroxy-
#quadratsaeure
#cyclobutenedione, dihydroxy-
#1,2-diketo-3,4-dihydroxycyclobutene
#dihydroxycyclobutenedione
#dihydroxycyclobut-3-ene-1,2-dione
#1,2-dihydroxycyclobutene-3,4-dione
#mfcd00001334
#1,2-dihydroxycyclobutenedione
#3,4-dihydroxy-cyclobutene-1,2-dione
#nsc 125692
#svr9d0vodw
#cyclobutene-1,2-dione, 3,4-dihydroxy-
#1,2-dihydroxy-1-cyclobuten-3,4-dione
#1,2-dioxo-3,4-dihydroxycyclobutene
#nsc624671
#nsc-125692
#1,2-dioxo-3,4-dihydroxycyclobut-3-ene
#3-cyclobutene-1,2-dione,3,4-dihydroxy-
#3,4-dihydroxy-3-cyclobutene-2-dione;quadratic acid
#ccris 6793
#unii-svr9d0vodw
#einecs 220-761-4
#brn 0774275
#ai3-61444
#1,2-dihydroxy cyclobutenedione
#3,2-dione
#3,4-dihydroxy-3-cyclobuten-1,2-dion
#cyclobutene-1,2-dione
#1,4-dihydroxycyclobutene
#squaric acid [mi]
#3,4-dihydroxy-3-cyclobuten-1,2-dion [iupac]
#wln: l4vvtj cq dq
#dsstox_cid_29369
#dsstox_rid_83484
#dsstox_gsid_49409
#schembl56172
#4-08-00-02701 (beilstein handbook reference)
#squaric acid [who-dd]
#dtxsid9049409
#chebi:52141
#cyclobutene-1, 3,4-dihydroxy-
#3-cyclobutene-1, 3,4-dihydroxy-
#str05257
#zinc1714721
#tox21_202819
#1,2-dihydroxy-3,4-cyclobutenedione
#bbl011240
#nsc125692
#stk936793
#1-cyclobutene-3,4-dione-1,2-diol
#akos000121580
#cs-w019969
#nsc 624671
#nsc-624671
#sb11012
#1,2-dihydroxy-l-cyclobutene-3,4-dione
#3,4-dihydroxy-3-cyclobuten-1,2-dione
#1,2-dihydroxy-1-cyclobutene-3,4-dione
#ncgc00260365-01
#ac-22924
#bp-10690
#sy002206
#3,4-dihydroxy-cyclobut-3-ene-1,2-dione
#cas-2892-51-5
#db-028257
#am20090382
#d1399
#ft-0614321
#3,4-dihydroxy-3-cyclobutene-1,2-dione, 99%
#892d515
#a819678
#q903298
#j-511200
#q3008466
#z56347217
#f0001-0904
#3,4-dihydroxy-3-cyclobutene-1,2-dione, lonza quality, 98.50-101.00% (w/w) (hplc)
#3,4-dihydroxycyclobut-3-ene-1,2-dione;3,4-dihydroxy-3-cyclobutene-1,2-dione
#en300-16613
#dtxcid8029369
#refchem:185166
#220-761-4
#diketocyclobutenediol
#3mf
#blend
#fbx
#glb
#jpg
#mtl
#obj
#ply
#png
#stl
#wrl
#x3d

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Squaric acid

From NIH 3D
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Category

learning

License

CC0

Published

9/3/2026

Availability

free on NIH 3D