accessibility menu, dialog, popup

UserName
Viewing profile as user:

Organooxygen compounds

Organic compounds that contain one or more oxygen atoms.
Carbonyl compounds (8,932)
Alcohols and polyols (4,329)
Enediols (3,736)

Filtered Search Results

Products from some of our suppliers do not display in filtered search results. Please clear all filters to see these products.

Narrow Results

Narrow Results

No results found within this category. Try removing some selected filters and try again.

category

special offers

  • (8)
  • (2)

brands

  • (3)
  • (1)
  • (217)
  • (1)
  • (3)
  • (22)
  • (1)
  • (1)
  • (6)
  • (81)
  • (2)
  • (34)
  • (34)
  • (18)
  • (3)
  • (1)
  • (54)
  • (43)
  • (11)
  • (2)
  • (1)
  • (3)
  • (1)
  • (2)
  • (44)
  • (87)
  • (6)
  • (1)
  • (1)
  • (313)
  • (7)
  • (3)
  • (144)
  • (1)
  • (4)
  • (1)
  • (1)
  • (1)
  • (2)
  • (1)
  • (8)
  • (7)
  • (28)
  • (49)
  • (86)
  • (1)
  • (1)
  • (2)
  • (28)
  • (1)
  • (6)
  • (7)
  • (22)
  • (5)
  • (5)
  • (1)
  • (1)
  • (166)
  • (97)
  • (1)
  • (2)
  • (162)
  • (19)
  • (13)
  • (1)
  • (1)
  • (1)
  • (1)
  • (46)
  • (2)
  • (1)
  • (3)
  • (2)
  • (26)
  • (5)
  • (2)
  • (31)
  • (1)
  • (4)
  • (99)
  • (811)
  • (1,341)
  • (343)
  • (15)
  • (1)
  • (4)
  • (1)
  • (2)
  • (3,875)
  • (2)
  • (3)
  • (5,738)
  • (26)
  • (9)
  • (2,363)

special interests

  • (2)
  • (297)
  • (2)
  • (4)
  • (24)
  • (4,249)

Quantity

  • (2)
  • (4)
  • (6)
  • (153)
  • (1,568)
  • (84)
  • (19)
Show all

Molecular Weight (g/mol)

  • (2)
  • (40)
  • (24)
  • (23)
  • (2)
  • (1)
  • (6)
Show all

Percent Purity

  • (2)
  • (1)
  • (4)
  • (2)
  • (2)
  • (4)
  • (9)
Show all

Physical Form

  • (2)
  • (2)
  • (15)
  • (40)
  • (5)
  • (3)
  • (3)
Show all

Boiling Point

  • (2)
  • (3)
  • (3)
  • (2)
  • (36)
  • (3)
  • (3)
Show all

Grade

  • (58)
  • (1)
  • (25)
  • (5)
  • (2)
  • (10)
  • (1)
Show all

Product Line

  • (2)
  • (2)
1 – 15 of 11,801 results
1

Thermo Scientific Chemicals 2,2-Diethoxyacetophenone, 96%

CAS: 6175-45-7 Molecular Formula: C12H16O3 Molecular Weight (g/mol): 208.26 MDL Number: MFCD00009659 InChI Key: PIZHFBODNLEQBL-UHFFFAOYSA-N Synonym: 2,2-diethoxyacetophenone,ethanone, 2,2-diethoxy-1-phenyl,phenylglyoxal diethyl acetal,2,2-diethoxy-1-phenylethan-1-one,alpha,alpha-diethoxyacetophenone,unii-w4bcz1mak3,2,2-diethoxy acetophenone,ccris 5222,benzoylformaldehyde diethyl acetal,glyoxal, phenyl-, 2-diethyl acetal PubChem CID: 22555 IUPAC Name: 2,2-diethoxy-1-phenylethanone SMILES: CCOC(OCC)C(=O)C1=CC=CC=C1

EDGE
PubChem CID 22555
CAS 6175-45-7
Molecular Weight (g/mol) 208.26
MDL Number MFCD00009659
SMILES CCOC(OCC)C(=O)C1=CC=CC=C1
Synonym 2,2-diethoxyacetophenone,ethanone, 2,2-diethoxy-1-phenyl,phenylglyoxal diethyl acetal,2,2-diethoxy-1-phenylethan-1-one,alpha,alpha-diethoxyacetophenone,unii-w4bcz1mak3,2,2-diethoxy acetophenone,ccris 5222,benzoylformaldehyde diethyl acetal,glyoxal, phenyl-, 2-diethyl acetal
IUPAC Name 2,2-diethoxy-1-phenylethanone
InChI Key PIZHFBODNLEQBL-UHFFFAOYSA-N
Molecular Formula C12H16O3
2

D-(-)-Fructose 99.0+%, TCI America™
SDP

CAS: 57-48-7 Molecular Formula: C6H12O6 Molecular Weight (g/mol): 180.156 MDL Number: MFCD00148910 InChI Key: BJHIKXHVCXFQLS-UYFOZJQFSA-N Synonym: d---fructose,d--fructose,3s,4r,5r-1,3,4,5,6-pentahydroxyhexan-2-one,furucton,arabino-hexulose,keto-d-fructose,d-levulose,sugar, fruit,fructose, d,krystar 300 PubChem CID: 5984 ChEBI: CHEBI:48095 IUPAC Name: (3S,4R,5R)-1,3,4,5,6-pentahydroxyhexan-2-one SMILES: C(C(C(C(C(=O)CO)O)O)O)O

PubChem CID 5984
CAS 57-48-7
Molecular Weight (g/mol) 180.156
ChEBI CHEBI:48095
MDL Number MFCD00148910
SMILES C(C(C(C(C(=O)CO)O)O)O)O
Synonym d---fructose,d--fructose,3s,4r,5r-1,3,4,5,6-pentahydroxyhexan-2-one,furucton,arabino-hexulose,keto-d-fructose,d-levulose,sugar, fruit,fructose, d,krystar 300
IUPAC Name (3S,4R,5R)-1,3,4,5,6-pentahydroxyhexan-2-one
InChI Key BJHIKXHVCXFQLS-UYFOZJQFSA-N
Molecular Formula C6H12O6
3

Thermo Scientific Chemicals L-(+)-Ascorbic acid, 99+%

CAS: 50-81-7 Molecular Formula: C6H8O6 Molecular Weight (g/mol): 176.12 MDL Number: MFCD00064328 InChI Key: CIWBSHSKHKDKBQ-DOMZIZNONA-N Synonym: l-ascorbic acid,ascorbic acid,vitamin c,l-ascorbate,ascorbate,ascorbicap,l +-ascorbic acid,cevitamic acid,ascoltin,hybrin PubChem CID: 54670067 ChEBI: CHEBI:29073 SMILES: OC[C@H](O)[C@H]1OC(=O)C(O)=C1O

EDGE
PubChem CID 54670067
CAS 50-81-7
Molecular Weight (g/mol) 176.12
ChEBI CHEBI:29073
MDL Number MFCD00064328
SMILES OC[C@H](O)[C@H]1OC(=O)C(O)=C1O
Synonym l-ascorbic acid,ascorbic acid,vitamin c,l-ascorbate,ascorbate,ascorbicap,l +-ascorbic acid,cevitamic acid,ascoltin,hybrin
InChI Key CIWBSHSKHKDKBQ-DOMZIZNONA-N
Molecular Formula C6H8O6
4

Thermo Scientific Chemicals D-(+)-Maltose monohydrate, 95%

CAS: 6363-53-7 Molecular Formula: C12H24O12 Molecular Weight (g/mol): 360.31 MDL Number: MFCD00149343 InChI Key: HBDJFVFTHLOSDW-UHFFFAOYNA-N Synonym: d-+-maltose monohydrate,unii-dm477ee40d,2r,3r,4r,5r-2,3,5,6-tetrahydroxy-4-2r,3r,4s,5s,6r-3,4,5-trihydroxy-6-hydroxymethyl oxan-2-yl oxy hexanal hydrate,beta-maltose monohydrate,d-+-maltosemonohydrate,69-79-4 anhydrous,d +-maltose monohydrate,d-+-maltose monohydrate, puriss.,d-+-maltose monohydrate, analytical standard,d-+-maltose monohydrate, bioxtra IUPAC Name: 2,3,5,6-tetrahydroxy-4-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}hexanal hydrate SMILES: O.OCC(O)C(OC1OC(CO)C(O)C(O)C1O)C(O)C(O)C=O

EDGE
CAS 6363-53-7
Molecular Weight (g/mol) 360.31
MDL Number MFCD00149343
SMILES O.OCC(O)C(OC1OC(CO)C(O)C(O)C1O)C(O)C(O)C=O
Synonym d-+-maltose monohydrate,unii-dm477ee40d,2r,3r,4r,5r-2,3,5,6-tetrahydroxy-4-2r,3r,4s,5s,6r-3,4,5-trihydroxy-6-hydroxymethyl oxan-2-yl oxy hexanal hydrate,beta-maltose monohydrate,d-+-maltosemonohydrate,69-79-4 anhydrous,d +-maltose monohydrate,d-+-maltose monohydrate, puriss.,d-+-maltose monohydrate, analytical standard,d-+-maltose monohydrate, bioxtra
IUPAC Name 2,3,5,6-tetrahydroxy-4-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}hexanal hydrate
InChI Key HBDJFVFTHLOSDW-UHFFFAOYNA-N
Molecular Formula C12H24O12
5
Promotions Available

Fisher Scientific L-Ascorbic Acid (Crystalline/Certified ACS), Fisher Chemical™

CAS: 50-81-7 Molecular Formula: C6H8O6 Molecular Weight (g/mol): 176.12 MDL Number: MFCD00064328 InChI Key: CIWBSHSKHKDKBQ-DOMZIZNONA-N Synonym: l-ascorbic acid,ascorbic acid,vitamin c,l-ascorbate,ascorbate,ascorbicap,l +-ascorbic acid,cevitamic acid,ascoltin,hybrin PubChem CID: 54670067 ChEBI: CHEBI:29073 IUPAC Name: (5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2,5-dihydrofuran-2-one SMILES: OC[C@H](O)[C@H]1OC(=O)C(O)=C1O

EDGE
PubChem CID 54670067
CAS 50-81-7
Molecular Weight (g/mol) 176.12
ChEBI CHEBI:29073
MDL Number MFCD00064328
SMILES OC[C@H](O)[C@H]1OC(=O)C(O)=C1O
Synonym l-ascorbic acid,ascorbic acid,vitamin c,l-ascorbate,ascorbate,ascorbicap,l +-ascorbic acid,cevitamic acid,ascoltin,hybrin
IUPAC Name (5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2,5-dihydrofuran-2-one
InChI Key CIWBSHSKHKDKBQ-DOMZIZNONA-N
Molecular Formula C6H8O6
6
Promotions Available

Fisher Chemical L-Ascorbic Acid (White Crystalline Powder), Fisher BioReagents

CAS: 50-81-7 Molecular Formula: C6H8O6 Molecular Weight (g/mol): 176.12 MDL Number: MFCD00064328 InChI Key: CIWBSHSKHKDKBQ-DOMZIZNONA-N Synonym: l-ascorbic acid,ascorbic acid,vitamin c,l-ascorbate,ascorbate,ascorbicap,l +-ascorbic acid,cevitamic acid,ascoltin,hybrin PubChem CID: 54670067 ChEBI: CHEBI:29073 IUPAC Name: (2R)-2-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one SMILES: OC[C@H](O)[C@H]1OC(=O)C(O)=C1O

EDGE
PubChem CID 54670067
CAS 50-81-7
Molecular Weight (g/mol) 176.12
ChEBI CHEBI:29073
MDL Number MFCD00064328
SMILES OC[C@H](O)[C@H]1OC(=O)C(O)=C1O
Synonym l-ascorbic acid,ascorbic acid,vitamin c,l-ascorbate,ascorbate,ascorbicap,l +-ascorbic acid,cevitamic acid,ascoltin,hybrin
IUPAC Name (2R)-2-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one
InChI Key CIWBSHSKHKDKBQ-DOMZIZNONA-N
Molecular Formula C6H8O6
7

Propylene Glycol (USP/FCC), Fisher Chemical™

CAS: 57-55-6 Molecular Formula: C3H8O2 Molecular Weight (g/mol): 76.095 MDL Number: MFCD00064272 InChI Key: DNIAPMSPPWPWGF-UHFFFAOYSA-N Synonym: 1,2-propanediol,propylene glycol,1,2-dihydroxypropane,2-hydroxypropanol,1,2-propylene glycol,methylethyl glycol,methylethylene glycol,monopropylene glycol,isopropylene glycol,dowfrost PubChem CID: 1030 ChEBI: CHEBI:16997 IUPAC Name: propane-1,2-diol SMILES: CC(CO)O

EDGE
PubChem CID 1030
CAS 57-55-6
Molecular Weight (g/mol) 76.095
ChEBI CHEBI:16997
MDL Number MFCD00064272
SMILES CC(CO)O
Synonym 1,2-propanediol,propylene glycol,1,2-dihydroxypropane,2-hydroxypropanol,1,2-propylene glycol,methylethyl glycol,methylethylene glycol,monopropylene glycol,isopropylene glycol,dowfrost
IUPAC Name propane-1,2-diol
InChI Key DNIAPMSPPWPWGF-UHFFFAOYSA-N
Molecular Formula C3H8O2
8
Promotions Available

Pyrogallol (Crystalline/Certified ACS), Fisher Chemical™

CAS: 87-66-1 Molecular Formula: C6H6O3 Molecular Weight (g/mol): 126.11 MDL Number: MFCD00002192 InChI Key: WQGWDDDVZFFDIG-UHFFFAOYSA-N Synonym: pyrogallol,1,2,3-trihydroxybenzene,pyrogallic acid,1,2,3-benzenetriol,fouramine brown ap,fourrine pg,fourrine 85,pyro,c.i. oxidation base 32,piral PubChem CID: 1057 ChEBI: CHEBI:16164 IUPAC Name: benzene-1,2,3-triol SMILES: OC1=CC=CC(O)=C1O

EDGE
PubChem CID 1057
CAS 87-66-1
Molecular Weight (g/mol) 126.11
ChEBI CHEBI:16164
MDL Number MFCD00002192
SMILES OC1=CC=CC(O)=C1O
Synonym pyrogallol,1,2,3-trihydroxybenzene,pyrogallic acid,1,2,3-benzenetriol,fouramine brown ap,fourrine pg,fourrine 85,pyro,c.i. oxidation base 32,piral
IUPAC Name benzene-1,2,3-triol
InChI Key WQGWDDDVZFFDIG-UHFFFAOYSA-N
Molecular Formula C6H6O3
9

Thermo Scientific Chemicals 2-Acetylfuran, 99%

CAS: 1192-62-7 Molecular Formula: C6H6O2 Molecular Weight (g/mol): 110.11 MDL Number: MFCD00003242 InChI Key: IEMMBWWQXVXBEU-UHFFFAOYSA-N Synonym: 2-acetylfuran,acetylfuran,1-furan-2-yl ethanone,2-furyl methyl ketone,methyl 2-furyl ketone,1-2-furyl ethanone,2-furylethanone,2-acetyl furan,ketone, 2-furyl methyl,ethanone, 1-2-furanyl PubChem CID: 14505 ChEBI: CHEBI:59983 IUPAC Name: 1-(furan-2-yl)ethanone SMILES: CC(=O)C1=CC=CO1

EDGE
PubChem CID 14505
CAS 1192-62-7
Molecular Weight (g/mol) 110.11
ChEBI CHEBI:59983
MDL Number MFCD00003242
SMILES CC(=O)C1=CC=CO1
Synonym 2-acetylfuran,acetylfuran,1-furan-2-yl ethanone,2-furyl methyl ketone,methyl 2-furyl ketone,1-2-furyl ethanone,2-furylethanone,2-acetyl furan,ketone, 2-furyl methyl,ethanone, 1-2-furanyl
IUPAC Name 1-(furan-2-yl)ethanone
InChI Key IEMMBWWQXVXBEU-UHFFFAOYSA-N
Molecular Formula C6H6O2
10

Thermo Scientific Chemicals 2,4'-Dibromoacetophenone, 98%

CAS: 99-73-0 Molecular Formula: C8H6Br2O Molecular Weight (g/mol): 277.94 MDL Number: MFCD00000200 InChI Key: FKJSFKCZZIXQIP-UHFFFAOYSA-N Synonym: 2,4'-dibromoacetophenone,2-bromo-1-4-bromophenyl ethanone,4-bromophenacyl bromide,p-bromophenacyl bromide,ethanone, 2-bromo-1-4-bromophenyl,4'-bromophenacyl bromide,p-bromophenacyl-8,alpha,p-dibromoacetophenone,alpha,4-dibromoacetophenone,4-bromo bromoacetyl benzene PubChem CID: 7454 IUPAC Name: 2-bromo-1-(4-bromophenyl)ethanone SMILES: C1=CC(=CC=C1C(=O)CBr)Br

EDGE
PubChem CID 7454
CAS 99-73-0
Molecular Weight (g/mol) 277.94
MDL Number MFCD00000200
SMILES C1=CC(=CC=C1C(=O)CBr)Br
Synonym 2,4'-dibromoacetophenone,2-bromo-1-4-bromophenyl ethanone,4-bromophenacyl bromide,p-bromophenacyl bromide,ethanone, 2-bromo-1-4-bromophenyl,4'-bromophenacyl bromide,p-bromophenacyl-8,alpha,p-dibromoacetophenone,alpha,4-dibromoacetophenone,4-bromo bromoacetyl benzene
IUPAC Name 2-bromo-1-(4-bromophenyl)ethanone
InChI Key FKJSFKCZZIXQIP-UHFFFAOYSA-N
Molecular Formula C8H6Br2O
11

iso-Amyl Alcohol ACS, MilliporeSigma™

CAS: 123-51-3 Molecular Formula: C5H12O Molecular Weight (g/mol): 88.15 InChI Key: PHTQWCKDNZKARW-UHFFFAOYSA-N Synonym: 3-methyl-1-butanol,isoamyl alcohol,isopentyl alcohol,isopentanol,3-methylbutanol,1-butanol, 3-methyl,isoamylol,isobutylcarbinol,iso-amylalkohol,isobutyl carbinol PubChem CID: 31260 ChEBI: CHEBI:15837 IUPAC Name: 3-methylbutan-1-ol SMILES: CC(C)CCO

EDGE
PubChem CID 31260
CAS 123-51-3
Molecular Weight (g/mol) 88.15
ChEBI CHEBI:15837
SMILES CC(C)CCO
Synonym 3-methyl-1-butanol,isoamyl alcohol,isopentyl alcohol,isopentanol,3-methylbutanol,1-butanol, 3-methyl,isoamylol,isobutylcarbinol,iso-amylalkohol,isobutyl carbinol
IUPAC Name 3-methylbutan-1-ol
InChI Key PHTQWCKDNZKARW-UHFFFAOYSA-N
Molecular Formula C5H12O
12

Thermo Scientific Chemicals 2,6-Dichlorobenzaldehyde, 99%

CAS: 83-38-5 Molecular Formula: C7H4Cl2O Molecular Weight (g/mol): 175.01 MDL Number: MFCD00003307 InChI Key: DMIYKWPEFRFTPY-UHFFFAOYSA-N Synonym: benzaldehyde, 2,6-dichloro,ccris 6014,2,6-dichloro benzaldehyde,2,6-dichloro-benzaldehyde,2,6-dichloro-benzaldehyd,2,6-dichlorbenzaldehyd,pubchem8225,acmc-1bkey,2,6dichloro-benzaldehyde,benzaldehyde,6-dichloro PubChem CID: 6737 IUPAC Name: 2,6-dichlorobenzaldehyde SMILES: C1=CC(=C(C(=C1)Cl)C=O)Cl

EDGE
PubChem CID 6737
CAS 83-38-5
Molecular Weight (g/mol) 175.01
MDL Number MFCD00003307
SMILES C1=CC(=C(C(=C1)Cl)C=O)Cl
Synonym benzaldehyde, 2,6-dichloro,ccris 6014,2,6-dichloro benzaldehyde,2,6-dichloro-benzaldehyde,2,6-dichloro-benzaldehyd,2,6-dichlorbenzaldehyd,pubchem8225,acmc-1bkey,2,6dichloro-benzaldehyde,benzaldehyde,6-dichloro
IUPAC Name 2,6-dichlorobenzaldehyde
InChI Key DMIYKWPEFRFTPY-UHFFFAOYSA-N
Molecular Formula C7H4Cl2O
13

Thermo Scientific Chemicals Ethyl glyoxalate, technical, ∼50% in toluene

CAS: 924-44-7 Molecular Formula: C4H6O3 Molecular Weight (g/mol): 102.09 InChI Key: DBPFRRFGLYGEJI-UHFFFAOYSA-N Synonym: ethyl glyoxalate,ethyl glyoxylate,ethyl oxoacetate,glyoxylic acid ethyl ester,acetic acid, oxo-, ethyl ester,ethyl glyoxalate solution,unii-ixx9mq1j1i,acetic acid, 2-oxo-, ethyl ester,ixx9mq1j1i,2-oxoacetic acid, ethyl ester PubChem CID: 70211 ChEBI: CHEBI:53275 IUPAC Name: ethyl 2-oxoacetate SMILES: CCOC(=O)C=O

EDGE
PubChem CID 70211
CAS 924-44-7
Molecular Weight (g/mol) 102.09
ChEBI CHEBI:53275
SMILES CCOC(=O)C=O
Synonym ethyl glyoxalate,ethyl glyoxylate,ethyl oxoacetate,glyoxylic acid ethyl ester,acetic acid, oxo-, ethyl ester,ethyl glyoxalate solution,unii-ixx9mq1j1i,acetic acid, 2-oxo-, ethyl ester,ixx9mq1j1i,2-oxoacetic acid, ethyl ester
IUPAC Name ethyl 2-oxoacetate
InChI Key DBPFRRFGLYGEJI-UHFFFAOYSA-N
Molecular Formula C4H6O3
14

Thermo Scientific Chemicals D(-)-Isoascorbic acid, 98%

CAS: 89-65-6 Molecular Formula: C6H7NaO6 Molecular Weight (g/mol): 198.11 MDL Number: MFCD00005378 InChI Key: IFVCRSPJFHGFCG-HXPAKLQESA-N Synonym: erythorbic acid,isoascorbic acid,d-araboascorbic acid,d-isoascorbic acid,araboascorbic acid,d-erythorbic acid,isovitamin c,neo-cebicure,saccharosonic acid,mercate 5 PubChem CID: 54675810 ChEBI: CHEBI:51438 IUPAC Name: (2R)-2-[(1R)-1,2-dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one SMILES: [Na+].OC[C@H](O)C1OC(=O)[C-](O)C1=O

EDGE
PubChem CID 54675810
CAS 89-65-6
Molecular Weight (g/mol) 198.11
ChEBI CHEBI:51438
MDL Number MFCD00005378
SMILES [Na+].OC[C@H](O)C1OC(=O)[C-](O)C1=O
Synonym erythorbic acid,isoascorbic acid,d-araboascorbic acid,d-isoascorbic acid,araboascorbic acid,d-erythorbic acid,isovitamin c,neo-cebicure,saccharosonic acid,mercate 5
IUPAC Name (2R)-2-[(1R)-1,2-dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one
InChI Key IFVCRSPJFHGFCG-HXPAKLQESA-N
Molecular Formula C6H7NaO6
15

Thermo Scientific Chemicals Ethyl 2-oxocyclopentanecarboxylate, 95+%

CAS: 611-10-9 Molecular Formula: C8H12O3 Molecular Weight (g/mol): 156.18 MDL Number: MFCD00001412 InChI Key: JHZPNBKZPAWCJD-UHFFFAOYSA-N PubChem CID: 69136 IUPAC Name: ethyl 2-oxocyclopentane-1-carboxylate SMILES: CCOC(=O)C1CCCC1=O

EDGE
PubChem CID 69136
CAS 611-10-9
Molecular Weight (g/mol) 156.18
MDL Number MFCD00001412
SMILES CCOC(=O)C1CCCC1=O
IUPAC Name ethyl 2-oxocyclopentane-1-carboxylate
InChI Key JHZPNBKZPAWCJD-UHFFFAOYSA-N
Molecular Formula C8H12O3