Oxacyclic compounds

Organic heterocyclic compounds that contain one or more oxygen atoms either within the ring's structure or linked to the ring.

1 – 15 of 149 results

Phthalic Anhydride, 99%

CAS: 85-44-9 Molecular Formula: C8H4O3 Molecular Weight (g/mol): 148.12 MDL Number: MFCD00005918 InChI Key: LGRFSURHDFAFJT-UHFFFAOYSA-N Synonym: phthalic anhydride,isobenzofuran-1,3-dione,1,3-isobenzofurandione,1,3-dioxophthalan,1,3-phthalandione,phthalsaeureanhydrid,phthalic acid anhydride,o-phthalic acid anhydride,phthalandione,retarder esen PubChem CID: 6811 ChEBI: CHEBI:36605 SMILES: O=C1OC(=O)C2=CC=CC=C12

Pricing and Availability
Specifications

PubChem CID	6811
CAS	85-44-9
Molecular Weight (g/mol)	148.12
ChEBI	CHEBI:36605
MDL Number	MFCD00005918
SMILES	O=C1OC(=O)C2=CC=CC=C12
Synonym	phthalic anhydride,isobenzofuran-1,3-dione,1,3-isobenzofurandione,1,3-dioxophthalan,1,3-phthalandione,phthalsaeureanhydrid,phthalic acid anhydride,o-phthalic acid anhydride,phthalandione,retarder esen
InChI Key	LGRFSURHDFAFJT-UHFFFAOYSA-N
Molecular Formula	C8H4O3

Xanthone, 99%

CAS: 90-47-1 Molecular Formula: C13H8O2 Molecular Weight (g/mol): 196.205 MDL Number: MFCD00005060 InChI Key: JNELGWHKGNBSMD-UHFFFAOYSA-N Synonym: xanthone,9h-xanthen-9-one,9-xanthenone,benzophenone oxide,9-oxoxanthene,genicide,xanthenone,9-xanthone,diphenylene ketone oxide,dibenzo-gamma-pyrone PubChem CID: 7020 ChEBI: CHEBI:37647 IUPAC Name: xanthen-9-one SMILES: C1=CC=C2C(=C1)C(=O)C3=CC=CC=C3O2

Pricing and Availability
Specifications

PubChem CID	7020
CAS	90-47-1
Molecular Weight (g/mol)	196.205
ChEBI	CHEBI:37647
MDL Number	MFCD00005060
SMILES	C1=CC=C2C(=C1)C(=O)C3=CC=CC=C3O2
Synonym	xanthone,9h-xanthen-9-one,9-xanthenone,benzophenone oxide,9-oxoxanthene,genicide,xanthenone,9-xanthone,diphenylene ketone oxide,dibenzo-gamma-pyrone
IUPAC Name	xanthen-9-one
InChI Key	JNELGWHKGNBSMD-UHFFFAOYSA-N
Molecular Formula	C13H8O2

9-Hydroxyxanthene, 97+%

CAS: 90-46-0 Molecular Formula: C₁₃H₁₀O₂ Molecular Weight (g/mol): 198.22 MDL Number: MFCD00005057 InChI Key: JFRMYMMIJXLMBB-UHFFFAOYSA-N Synonym: 9-hydroxyxanthene,xanthydrol,xanthanol,9-xanthydrol,xanthen-9-ol,xanthene, hydroxy,9-xanthenol,ccris 1640,unii-7131m69ikf,xanthrol PubChem CID: 72861 IUPAC Name: 9H-xanthen-9-ol SMILES: C1=CC=C2C(=C1)C(C3=CC=CC=C3O2)O

Pricing and Availability
Specifications

PubChem CID	72861
CAS	90-46-0
Molecular Weight (g/mol)	198.22
MDL Number	MFCD00005057
SMILES	C1=CC=C2C(=C1)C(C3=CC=CC=C3O2)O
Synonym	9-hydroxyxanthene,xanthydrol,xanthanol,9-xanthydrol,xanthen-9-ol,xanthene, hydroxy,9-xanthenol,ccris 1640,unii-7131m69ikf,xanthrol
IUPAC Name	9H-xanthen-9-ol
InChI Key	JFRMYMMIJXLMBB-UHFFFAOYSA-N
Molecular Formula	C₁₃H₁₀O₂

PubChem CID	6811
CAS	85-44-9
Molecular Weight (g/mol)	148.12
ChEBI	CHEBI:36605
MDL Number	MFCD00005918
SMILES	O=C1OC(=O)C2=CC=CC=C12
Synonym	phthalic anhydride,isobenzofuran-1,3-dione,1,3-isobenzofurandione,1,3-dioxophthalan,1,3-phthalandione,phthalsaeureanhydrid,phthalic acid anhydride,o-phthalic acid anhydride,phthalandione,retarder esen
IUPAC Name	2-benzofuran-1,3-dione
InChI Key	LGRFSURHDFAFJT-UHFFFAOYSA-N
Molecular Formula	C8H4O3

Maleic anhydride, 99%, pastilles

CAS: 108-31-6 Molecular Formula: C4H2O3 Molecular Weight (g/mol): 98.06 MDL Number: MFCD00005518 InChI Key: FPYJFEHAWHCUMM-UHFFFAOYSA-N Synonym: maleic anhydride,2,5-furandione,maleic acid anhydride,toxilic anhydride,dihydro-2,5-dioxofuran,cis-butenedioic anhydride,2,5-dihydrofuran-2,5-dione,polymaleic anhydride,maleinanhydrid,rcra waste number u147 PubChem CID: 7923 ChEBI: CHEBI:474859 SMILES: O=C1OC(=O)C=C1

Pricing and Availability
Specifications

PubChem CID	7923
CAS	108-31-6
Molecular Weight (g/mol)	98.06
ChEBI	CHEBI:474859
MDL Number	MFCD00005518
SMILES	O=C1OC(=O)C=C1
Synonym	maleic anhydride,2,5-furandione,maleic acid anhydride,toxilic anhydride,dihydro-2,5-dioxofuran,cis-butenedioic anhydride,2,5-dihydrofuran-2,5-dione,polymaleic anhydride,maleinanhydrid,rcra waste number u147
InChI Key	FPYJFEHAWHCUMM-UHFFFAOYSA-N
Molecular Formula	C4H2O3

Oxazole, 98+%

CAS: 288-42-6 Molecular Formula: C3H3NO Molecular Weight (g/mol): 69.063 MDL Number: MFCD00009751 InChI Key: ZCQWOFVYLHDMMC-UHFFFAOYSA-N Synonym: oxazole,unii-fjz20i1lps,fjz20i1lps,oxazol,1,3-oxazol,pubchem8626,oxazole 1g PubChem CID: 9255 ChEBI: CHEBI:35597 IUPAC Name: 1,3-oxazole SMILES: C1=COC=N1

Pricing and Availability
Specifications

PubChem CID	9255
CAS	288-42-6
Molecular Weight (g/mol)	69.063
ChEBI	CHEBI:35597
MDL Number	MFCD00009751
SMILES	C1=COC=N1
Synonym	oxazole,unii-fjz20i1lps,fjz20i1lps,oxazol,1,3-oxazol,pubchem8626,oxazole 1g
IUPAC Name	1,3-oxazole
InChI Key	ZCQWOFVYLHDMMC-UHFFFAOYSA-N
Molecular Formula	C3H3NO

Citraconic anhydride, 98%

CAS: 616-02-4 Molecular Formula: C₅H₄O₃ Molecular Weight (g/mol): 112.08 MDL Number: MFCD00005522 InChI Key: AYKYXWQEBUNJCN-UHFFFAOYSA-N Synonym: citraconic anhydride,2,5-furandione, 3-methyl,2-methylmaleic anhydride,methylmaleic anhydride,3-methylmaleic anhydride,citraconic acid anhydride,monomethylmaleic anhydride,maleic anhydride, methyl,2-methylmaleicanhydride,unii-105np7pmxx PubChem CID: 12012 IUPAC Name: 3-methylfuran-2,5-dione SMILES: CC1=CC(=O)OC1=O

Pricing and Availability
Specifications

PubChem CID	12012
CAS	616-02-4
Molecular Weight (g/mol)	112.08
MDL Number	MFCD00005522
SMILES	CC1=CC(=O)OC1=O
Synonym	citraconic anhydride,2,5-furandione, 3-methyl,2-methylmaleic anhydride,methylmaleic anhydride,3-methylmaleic anhydride,citraconic acid anhydride,monomethylmaleic anhydride,maleic anhydride, methyl,2-methylmaleicanhydride,unii-105np7pmxx
IUPAC Name	3-methylfuran-2,5-dione
InChI Key	AYKYXWQEBUNJCN-UHFFFAOYSA-N
Molecular Formula	C₅H₄O₃

2-Chloro-4-(2-furyl)pyrimidine, 97%, Thermo Scientific™

CAS: 124959-28-0 Molecular Formula: C8H5ClN2O Molecular Weight (g/mol): 180.59 MDL Number: MFCD09065030 InChI Key: BLFCXYJTVFTNRX-UHFFFAOYSA-N Synonym: 2-chloro-4-2-furyl pyrimidine,2-chloro-4-furan-2-yl pyrimidine,2-2-chloropyrimidin-4-yl furan,pyrimidine,2-chloro-4-2-furanyl,2-chloro-4-furan-2-yl-pyrimidine,acmc-20mr9m,2-chloro-4-2-furanyl pyrimidine,pyrimidine, 2-chloro-4-2-furanyl PubChem CID: 14745027 IUPAC Name: 2-chloro-4-(furan-2-yl)pyrimidine SMILES: ClC1=NC=CC(=N1)C1=CC=CO1

Pricing and Availability
Specifications

PubChem CID	14745027
CAS	124959-28-0
Molecular Weight (g/mol)	180.59
MDL Number	MFCD09065030
SMILES	ClC1=NC=CC(=N1)C1=CC=CO1
Synonym	2-chloro-4-2-furyl pyrimidine,2-chloro-4-furan-2-yl pyrimidine,2-2-chloropyrimidin-4-yl furan,pyrimidine,2-chloro-4-2-furanyl,2-chloro-4-furan-2-yl-pyrimidine,acmc-20mr9m,2-chloro-4-2-furanyl pyrimidine,pyrimidine, 2-chloro-4-2-furanyl
IUPAC Name	2-chloro-4-(furan-2-yl)pyrimidine
InChI Key	BLFCXYJTVFTNRX-UHFFFAOYSA-N
Molecular Formula	C8H5ClN2O

3-(2-Furyl)-1-methyl-1H-pyrazole-5-carboxylic acid, ≥97%, Thermo Scientific™

CAS: 859851-00-6 Molecular Formula: C9H8N2O3 Molecular Weight (g/mol): 192.17 MDL Number: MFCD08271950 InChI Key: MOPCEJWYTICWJM-UHFFFAOYSA-N Synonym: 3-2-furyl-1-methyl-1h-pyrazole-5-carboxylic acid,5-furan-2-yl-2-methylpyrazole-3-carboxylic acid,3-furan-2-yl-1-methyl-1h-pyrazole-5-carboxylic acid,1h-pyrazole-5-carboxylicacid, 3-2-furanyl-1-methyl,3-fur-2-yl-1-methyl-1h-pyrazole-5-carboxylic acid,3-2-furyl-1-methylpyrazole-5-carboxylic acid PubChem CID: 7537643 SMILES: CN1N=C(C=C1C(O)=O)C1=CC=CO1

Pricing and Availability
Specifications

PubChem CID	7537643
CAS	859851-00-6
Molecular Weight (g/mol)	192.17
MDL Number	MFCD08271950
SMILES	CN1N=C(C=C1C(O)=O)C1=CC=CO1
Synonym	3-2-furyl-1-methyl-1h-pyrazole-5-carboxylic acid,5-furan-2-yl-2-methylpyrazole-3-carboxylic acid,3-furan-2-yl-1-methyl-1h-pyrazole-5-carboxylic acid,1h-pyrazole-5-carboxylicacid, 3-2-furanyl-1-methyl,3-fur-2-yl-1-methyl-1h-pyrazole-5-carboxylic acid,3-2-furyl-1-methylpyrazole-5-carboxylic acid
InChI Key	MOPCEJWYTICWJM-UHFFFAOYSA-N
Molecular Formula	C9H8N2O3

Oxazole-5-carboxylic acid, 98+%

CAS: 118994-90-4 Molecular Formula: C4H3NO3 Molecular Weight (g/mol): 113.072 MDL Number: MFCD04114931 InChI Key: QCGMEWVZBGQOFN-UHFFFAOYSA-N Synonym: oxazole-5-carboxylic acid,5-oxazolecarboxylic acid,5-oxazolecarboxylicacid,5-carboxy-1,3-oxazole,oxazole-5-carboxylicacid,5-carboxyoxazole,acmc-209a0v,ksc173g8b,1,3-oxazole-5-carboxylic acid PubChem CID: 16340557 IUPAC Name: 1,3-oxazole-5-carboxylic acid SMILES: C1=C(OC=N1)C(=O)O

Pricing and Availability
Specifications

PubChem CID	16340557
CAS	118994-90-4
Molecular Weight (g/mol)	113.072
MDL Number	MFCD04114931
SMILES	C1=C(OC=N1)C(=O)O
Synonym	oxazole-5-carboxylic acid,5-oxazolecarboxylic acid,5-oxazolecarboxylicacid,5-carboxy-1,3-oxazole,oxazole-5-carboxylicacid,5-carboxyoxazole,acmc-209a0v,ksc173g8b,1,3-oxazole-5-carboxylic acid
IUPAC Name	1,3-oxazole-5-carboxylic acid
InChI Key	QCGMEWVZBGQOFN-UHFFFAOYSA-N
Molecular Formula	C4H3NO3

Chloroxazone, 98%

CAS: 95-25-0 Molecular Formula: C₇H₄ClNO₂ Molecular Weight (g/mol): 169.57 MDL Number: MFCD00005717 InChI Key: TZFWDZFKRBELIQ-UHFFFAOYSA-N Synonym: chlorzoxazone,chlorzoxazon,paraflex,chloroxazone,5-chloro-2-benzoxazolone,biomioran,escoflex,myoflexin,myoflexine,pathorysin PubChem CID: 2733 ChEBI: CHEBI:3655 IUPAC Name: 5-chloro-3H-1,3-benzoxazol-2-one SMILES: C1=CC2=C(C=C1Cl)NC(=O)O2

Pricing and Availability
Specifications

PubChem CID	2733
CAS	95-25-0
Molecular Weight (g/mol)	169.57
ChEBI	CHEBI:3655
MDL Number	MFCD00005717
SMILES	C1=CC2=C(C=C1Cl)NC(=O)O2
Synonym	chlorzoxazone,chlorzoxazon,paraflex,chloroxazone,5-chloro-2-benzoxazolone,biomioran,escoflex,myoflexin,myoflexine,pathorysin
IUPAC Name	5-chloro-3H-1,3-benzoxazol-2-one
InChI Key	TZFWDZFKRBELIQ-UHFFFAOYSA-N
Molecular Formula	C₇H₄ClNO₂

Ifosfamide

CAS: 3778-73-2 Molecular Formula: C₇H₁₅Cl₂N₂O₂P Molecular Weight (g/mol): 261.09 InChI Key: HOMGKSMUEGBAAB-UHFFFAOYSA-N Synonym: ifosfamide,isophosphamide,iphosphamide,isofosfamide,ifosfamid,mitoxana,naxamide,iphosphamid,isoendoxan,ifex PubChem CID: 3690 ChEBI: CHEBI:5864 IUPAC Name: N,3-bis(2-chloroethyl)-2-oxo-1,3,2$l^{5}-oxazaphosphinan-2-amine SMILES: C1CN(P(=O)(OC1)NCCCl)CCCl

Pricing and Availability
Specifications

PubChem CID	3690
CAS	3778-73-2
Molecular Weight (g/mol)	261.09
ChEBI	CHEBI:5864
SMILES	C1CN(P(=O)(OC1)NCCCl)CCCl
Synonym	ifosfamide,isophosphamide,iphosphamide,isofosfamide,ifosfamid,mitoxana,naxamide,iphosphamid,isoendoxan,ifex
IUPAC Name	N,3-bis(2-chloroethyl)-2-oxo-1,3,2$l^{5}-oxazaphosphinan-2-amine
InChI Key	HOMGKSMUEGBAAB-UHFFFAOYSA-N
Molecular Formula	C₇H₁₅Cl₂N₂O₂P

Benzo[b]furan, 97+%

CAS: 271-89-6 Molecular Formula: C8H6O Molecular Weight (g/mol): 118.14 MDL Number: MFCD00005847 InChI Key: IANQTJSKSUMEQM-UHFFFAOYSA-N Synonym: benzofuran,2,3-benzofuran,coumarone,benzo b furan,cumarone,benzofurfuran,1-oxindene,coumaron,1-oxidene PubChem CID: 9223 ChEBI: CHEBI:35260 IUPAC Name: 1-benzofuran SMILES: O1C=CC2=CC=CC=C12

Pricing and Availability
Specifications

PubChem CID	9223
CAS	271-89-6
Molecular Weight (g/mol)	118.14
ChEBI	CHEBI:35260
MDL Number	MFCD00005847
SMILES	O1C=CC2=CC=CC=C12
Synonym	benzofuran,2,3-benzofuran,coumarone,benzo b furan,cumarone,benzofurfuran,1-oxindene,coumaron,1-oxidene
IUPAC Name	1-benzofuran
InChI Key	IANQTJSKSUMEQM-UHFFFAOYSA-N
Molecular Formula	C8H6O

Flavone, 99%

CAS: 525-82-6 Molecular Formula: C15H10O2 Molecular Weight (g/mol): 222.243 MDL Number: MFCD00006825 InChI Key: VHBFFQKBGNRLFZ-UHFFFAOYSA-N Synonym: flavone,2-phenylchromone,2-phenyl-4h-chromen-4-one,2-phenyl-4-chromone,2-phenyl-4-benzopyron,2-phenyl-4h-1-benzopyran-4-one,4h-1-benzopyran-4-one, 2-phenyl,asmacoril,chromocor,cromaril PubChem CID: 10680 ChEBI: CHEBI:42491 IUPAC Name: 2-phenylchromen-4-one SMILES: C1=CC=C(C=C1)C2=CC(=O)C3=CC=CC=C3O2

Pricing and Availability
Specifications

PubChem CID	10680
CAS	525-82-6
Molecular Weight (g/mol)	222.243
ChEBI	CHEBI:42491
MDL Number	MFCD00006825
SMILES	C1=CC=C(C=C1)C2=CC(=O)C3=CC=CC=C3O2
Synonym	flavone,2-phenylchromone,2-phenyl-4h-chromen-4-one,2-phenyl-4-chromone,2-phenyl-4-benzopyron,2-phenyl-4h-1-benzopyran-4-one,4h-1-benzopyran-4-one, 2-phenyl,asmacoril,chromocor,cromaril
IUPAC Name	2-phenylchromen-4-one
InChI Key	VHBFFQKBGNRLFZ-UHFFFAOYSA-N
Molecular Formula	C15H10O2

2-(3-Methyl-1,2,4-oxadiazol-5-yl)benzoic acid, 97%, Thermo Scientific™

CAS: 475105-77-2 Molecular Formula: C10H8N2O3 Molecular Weight (g/mol): 204.185 MDL Number: MFCD08741426 InChI Key: JHLHKCWPDVKWNS-UHFFFAOYSA-N Synonym: 2-3-methyl-1,2,4-oxadiazol-5-yl benzoic acid,benzoic acid,2-3-methyl-1,2,4-oxadiazol-5-yl,5-2-carboxyphenyl-3-methyl-1,2,4-oxadiazole,2-3-methyl-1,2,4 oxadiazol-5-yl-benzoic acid,2-3-methyl-1,2,4 oxadiazol-5-yl benzoic acid,benzoic acid, 2-3-methyl-1,2,4-oxadiazol-5-yl PubChem CID: 23146305 IUPAC Name: 2-(3-methyl-1,2,4-oxadiazol-5-yl)benzoic acid SMILES: CC1=NOC(=N1)C2=CC=CC=C2C(=O)O

Pricing and Availability
Specifications

PubChem CID	23146305
CAS	475105-77-2
Molecular Weight (g/mol)	204.185
MDL Number	MFCD08741426
SMILES	CC1=NOC(=N1)C2=CC=CC=C2C(=O)O
Synonym	2-3-methyl-1,2,4-oxadiazol-5-yl benzoic acid,benzoic acid,2-3-methyl-1,2,4-oxadiazol-5-yl,5-2-carboxyphenyl-3-methyl-1,2,4-oxadiazole,2-3-methyl-1,2,4 oxadiazol-5-yl-benzoic acid,2-3-methyl-1,2,4 oxadiazol-5-yl benzoic acid,benzoic acid, 2-3-methyl-1,2,4-oxadiazol-5-yl
IUPAC Name	2-(3-methyl-1,2,4-oxadiazol-5-yl)benzoic acid
InChI Key	JHLHKCWPDVKWNS-UHFFFAOYSA-N
Molecular Formula	C10H8N2O3

Oxacyclic compounds

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