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3,4-Dihydroxy-3-cyclobutene-1,2-dione
Squaric acid
Predict NMR spectrum
RN: 
2892-51-5
MF: 
C4H2O4
MW: 
114.05748
mp (°C): 
293
InChI:  1S/C4H2O4/c5-1-2(6)4(8)3(1)7/h5-6H
InChIKey:  PWEBUXCTKOWPCW-UHFFFAOYSA-N
H donor:  2
H acceptor:  4
Rotatable bond:  0
Stereocenter:  0
cLogP:  -0.843
cLogS:  -0.548
Polar surface:  74.6
NEW: 3D model: 
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  Supplier     Description     Reference  
amadischem dihydroxycyclobut-3-ene-1,2-dione, 98%
Bulk, semi-bulk
advtechind 3,4-dihydroxy-3-cyclobutene-1,2-dione, 98%
on request
500G
leapchem squaric acid
on request
alfa-chemistry 3,4-Dihydroxy-3-cyclobutene-1,2-dione
10g
25g
100g
250g
1g
5g
leapchem 3,4-dihydroxy-3-cyclobutene-1,2-dione
on request
alfa-chemistry 3,4-dihydroxy-3-cyclobutene-1,2 dione, commonly known as squaric acid, is widely used in bioorganic and medicinal chemistry. It is an inhibitor of glyoxylase, semiqauric acid, pyruvate dehrogenase, and transketolase. It is used as a replacement for phosphate in a peptide-based ligand for an SH2 domain. Its derivatives are high-affinity ligands for excitatory amino acid receptors. These derivatives are also used as dyes for fluorescence detection of small biological molecules., 95%+
1g
5g
10g
25g
100g
250g
leapchem squaric acid, 97%
on request
leapchem squaric acid
on request
capotchem Squaric acid, 98%(Min,HPLC)
on request
cm-finechemicals Squaric Acid
Research
Pilot
bocsci 3,4-Dihydroxy-3-cyclobutene-1,2-dione, 99 %
on request
chemieliva Squaric Acid, 98%
5G
10G
20G
50G
100G
50KG
carbonesci Squaric acid, 97%
on request
oakwood
Squaric acid
 , 98%
250mg
1g
5g
25g
100g
500g
rosewachem 3,4-Dihydroxy-3-cyclobutene-1,2-dione
on request
manchesterorganics
3,4-Dihydroxycyclobut-3-ene-1,2-dione
 , 98%
synblock dihydroxycyclobut-3-ene-1,2-dione, NLT 98%
on request
chempur 3,4-Dihydroxycyclobut-3-ene-1,2-dione/ >95%
10 g
and other units
001chemical 3,4-Dihydroxy-3-cyclobutene-1,2-dione, NLT 98%
on request
lingruichem 3,4-Dihydroxy-3-cyclobutene-1,2-dione
on request

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