Allantoin
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Description

Allantoin is an imidazolidine-2,4-dione that is 5-aminohydantoin in which a carbamoyl group is attached to the exocyclic nitrogen. It has a role as a vulnerary, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a human metabolite. It is an imidazolidine-2,4-dione and a member of ureas. It is functionally related to a hydantoin. It is a tautomer of a 1-(5-hydroxy-2-oxo-2,3-dihydroimidazol-4-yl)urea.

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Source creator
lpetro
Source license
Public Domain
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#nih-3d
#small molecules
#allantoin
#97-59-6
#5-ureidohydantoin
#glyoxyldiureide
#cordianine
#sebical
#glyoxyldiureid
#alantan
#allantol
#1-(2,5-dioxoimidazolidin-4-yl)urea
#avc/dienestrolcream
#urea, (2,5-dioxo-4-imidazolidinyl)-
#hydantoin, 5-ureido-
#psoralon
#septalan
#cutemol emollient
#uniderm a
#(2,5-dioxo-4-imidazolidinyl)urea
#(2,5-dioxoimidazolidin-4-yl)urea
#glyoxylic diureide
#glyoxylic(acid) diureide
#nsc 7606
#caswell no. 024
#dl-allantoin
#5-ureido-2,4-imidazolidindion
#n-(2,5-dioxo-4-imidazolidinyl)urea
#alwextin
#ccris 1958
#2,5-dioxo-4-imidazolidinyl-urea
#fancol toin
#5-ureidohydrantoin
#epa pesticide chemical code 085701
#(+/-)-allantoin
#4-ureido-2,5-imidazolidinedione
#ai3-15281
#nsc7606
#allantoin (jan/usp)
#nsc-7606
#idelalisib metabolite m1a
#n-(2,5-dioxoimidazolidin-4-yl)urea
#97-59-6 (racemic)
#mls000737882
#5-ureido-2,4-imidazolidindione
#chebi:15676
#344s277g0z
#urea, n-(2,5-dioxo-4-imidazolidinyl)-
#dsstox_cid_43
#herpecin l
#d00121
#dsstox_rid_75334
#dsstox_gsid_20043
#allantoin [usan:ban]
#smr000528073
#sr-01000766252
#einecs 202-592-8
#mfcd00005260
#brn 0102364
#unii-344s277g0z
#hsdb 7490
#allantoin [usan:usp:ban:jan]
#cas-97-59-6
#prestwick_11
#ncgc00016358-01
#allation,(s)
#5-ureido-hydantoin
#allantoin (8ci)
#5377-33-3
#spectrum_001078
#allantoin [jan]
#allantoin [ii]
#allantoin [mi]
#allantoin [hsdb]
#allantoin [inci]
#allantoin [usan]
#prestwick0_000002
#prestwick1_000002
#prestwick2_000002
#prestwick3_000002
#spectrum2_000219
#spectrum3_000876
#spectrum4_000716
#spectrum5_001526
#allantoin [vandf]
#allantoin [mart.]
#bmse000437
#ec 202-592-8
#allantoin [usp-rs]
#allantoin [who-dd]
#schembl3208
#oprea1_621175
#bspbio_000003
#bspbio_002551
#kbiogr_001271
#kbioss_001558
#5-25-15-00338 (beilstein handbook reference)
#mls002473300
#allantoin, analytical standard
#divk1c_000281
#spectrum1500801
#allantoin-[13c2,15n4]
#spbio_000237
#spbio_001924
#bpbio1_000005
#chembl593429
#allantoin [ep monograph]
#dtxsid3020043
#sd 101 [who-dd]
#5-ureidohydantoin;glyoxyldiureide
#hms500o03
#kbio1_000281
#kbio2_001558
#kbio2_004126
#kbio2_006694
#kbio3_002051
#sd 101
#allantoin [usp monograph]
#allantoin, >=98.0% (n)
#ninds_000281
#urea,5-dioxo-4-imidazolidinyl)-
#hms1568a05
#hms1921i10
#hms2092k16
#hms2095a05
#hms2268n08
#hms3712a05
#hms3885m08
#pharmakon1600-01500801
#amy13912
#bcp31832
#component of skin-balm (salt/mix)
#hy-n0543
#2,5-imidazolidinedione, 4-ureido-
#tox21_110395
#tox21_202087
#tox21_302912
#bbl027508
#ccg-39781
#nsc757792
#s3856
#stl373778
#akos000120642
#akos016038547
#tox21_110395_1
#cs-7741
#db11100
#nsc-757792
#sdccgmls-0066595.p001
#1-(2,5-dioxoimidazolidin-4-yl);urea
#idi1_000281
#allantoin, p.a., 98.5-101.0%
#n-(2,5-dioxo-4-imidazolidinyl)urea #
#ncgc00094854-01
#ncgc00094854-02
#ncgc00094854-03
#ncgc00094854-04
#ncgc00094854-05
#ncgc00094854-06
#ncgc00094854-07
#ncgc00256403-01
#ncgc00259636-01
#ac-11040
#as-13865
#nci60_041675
#sodium methanethiolate (~20% in water)
#n-(2,5-dioxo-4(1h)-imidazolidinyl)urea
#sbi-0051759.p002
#a0211
#ab00052307
#ft-0604592
#c01551
#d85069
#urea, (2,5-dioxo-4-imidazolidinyl)- (9ci)
#ab00052307_11
#3-hydroxy-2-propyl-4-pentenoic acid ethyl ester
#q409804
#j-522839
#sr-01000766252-2
#sr-01000766252-3
#sr-01000766252-4
#w-100104
#allantoin, european pharmacopoeia (ep) reference standard
#a999f0d6-0285-41d9-a6ba-b705987b663c
#allantoin, united states pharmacopeia (usp) reference standard
#allantoin, pharmaceutical secondary standard; certified reference material
#5-ureidohydantoin; glyoxyldiureide; glyoxylic diureide; cordianine; glyoxyldiureid; (2,5-dioxo-4-imidazolidinyl)urea
#en300-21043
#z104486690
#allantoin cream
#3mf
#blend
#fbx
#glb
#jpg
#mtl
#obj
#ply
#png
#stl
#wrl
#x3d

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Allantoin

From NIH 3D
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Category

learning

License

CC0

Published

8/30/2026

Availability

free on NIH 3D