Oxacyclic compounds

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

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106 – 120 of 335 results

106

Phthalide, 99%

CAS: 87-41-2 MDL Number: MFCD00005906 InChI Key: WNZQDUSMALZDQF-UHFFFAOYSA-N Synonym: phthalide,isobenzofuran-1 3h-one,1 3h-isobenzofuranone,1-phthalanone,phthalolactone,2-benzofuran-1 3h-one,isobenzofuranone,phthalanone,3h-isobenzofuran-1-one,2-hydroxymethylbenzoic acid, gamma-lactone PubChem CID: 6885 ChEBI: CHEBI:38085 IUPAC Name: 3H-2-benzofuran-1-one SMILES: C1C2=CC=CC=C2C(=O)O1

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Specifications

PubChem CID	6885
CAS	87-41-2
ChEBI	CHEBI:38085
MDL Number	MFCD00005906
SMILES	C1C2=CC=CC=C2C(=O)O1
Synonym	phthalide,isobenzofuran-1 3h-one,1 3h-isobenzofuranone,1-phthalanone,phthalolactone,2-benzofuran-1 3h-one,isobenzofuranone,phthalanone,3h-isobenzofuran-1-one,2-hydroxymethylbenzoic acid, gamma-lactone
IUPAC Name	3H-2-benzofuran-1-one
InChI Key	WNZQDUSMALZDQF-UHFFFAOYSA-N

107

4-Chlorophthalic Anhydride 98.0+%, TCI America™

CAS: 118-45-6 Molecular Formula: C8H3ClO3 Molecular Weight (g/mol): 182.56 MDL Number: MFCD00152354 InChI Key: BTTRMCQEPDPCPA-UHFFFAOYSA-N PubChem CID: 67044 IUPAC Name: 5-chloro-1,3-dihydro-2-benzofuran-1,3-dione SMILES: ClC1=CC=C2C(=O)OC(=O)C2=C1

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Specifications

PubChem CID	67044
CAS	118-45-6
Molecular Weight (g/mol)	182.56
MDL Number	MFCD00152354
SMILES	ClC1=CC=C2C(=O)OC(=O)C2=C1
IUPAC Name	5-chloro-1,3-dihydro-2-benzofuran-1,3-dione
InChI Key	BTTRMCQEPDPCPA-UHFFFAOYSA-N
Molecular Formula	C8H3ClO3

108

Homophthalic Anhydride 98.0+%, TCI America™

CAS: 703-59-3 Molecular Formula: C9H6O3 Molecular Weight (g/mol): 162.144 MDL Number: MFCD00006894 InChI Key: AKHSBAVQPIRVAG-UHFFFAOYSA-N Synonym: homophthalic anhydride,1,3-isochromandione,isochroman-1,3-dione,1h-2-benzopyran-1,3 4h-dione,homophthalic acid anhydride,4h-2-benzopyran-1,3-dione,1h-isochromene-1,3 4h-dione,3,4-dihydro-1h-2-benzopyran-1,3-dione,4h-benzo c pyran-1,3-dione,homophthalic anhydride 2-carboxyphenylacetic anhydride PubChem CID: 12801 IUPAC Name: 4H-isochromene-1,3-dione SMILES: C1C2=CC=CC=C2C(=O)OC1=O

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Specifications

PubChem CID	12801
CAS	703-59-3
Molecular Weight (g/mol)	162.144
MDL Number	MFCD00006894
SMILES	C1C2=CC=CC=C2C(=O)OC1=O
Synonym	homophthalic anhydride,1,3-isochromandione,isochroman-1,3-dione,1h-2-benzopyran-1,3 4h-dione,homophthalic acid anhydride,4h-2-benzopyran-1,3-dione,1h-isochromene-1,3 4h-dione,3,4-dihydro-1h-2-benzopyran-1,3-dione,4h-benzo c pyran-1,3-dione,homophthalic anhydride 2-carboxyphenylacetic anhydride
IUPAC Name	4H-isochromene-1,3-dione
InChI Key	AKHSBAVQPIRVAG-UHFFFAOYSA-N
Molecular Formula	C9H6O3

109

Xanthene 98.0+%, TCI America™

CAS: 92-83-1 Molecular Formula: C13H10O Molecular Weight (g/mol): 182.222 MDL Number: MFCD00005055 InChI Key: GJCOSYZMQJWQCA-UHFFFAOYSA-N Synonym: xanthene,xanthan,10h-9-oxaanthracene,dibenzo a,e pyran,dibenzopyran, tricyclic,9h-xanthen,xanthane,9h-xanthen-9-yl,acmc-209rhu PubChem CID: 7107 ChEBI: CHEBI:10057 IUPAC Name: 9H-xanthene SMILES: C1C2=CC=CC=C2OC3=CC=CC=C31

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Specifications

PubChem CID	7107
CAS	92-83-1
Molecular Weight (g/mol)	182.222
ChEBI	CHEBI:10057
MDL Number	MFCD00005055
SMILES	C1C2=CC=CC=C2OC3=CC=CC=C31
Synonym	xanthene,xanthan,10h-9-oxaanthracene,dibenzo a,e pyran,dibenzopyran, tricyclic,9h-xanthen,xanthane,9h-xanthen-9-yl,acmc-209rhu
IUPAC Name	9H-xanthene
InChI Key	GJCOSYZMQJWQCA-UHFFFAOYSA-N
Molecular Formula	C13H10O

110

2-Coumaranone 98.0+%, TCI America™

CAS: 553-86-6 Molecular Formula: C8H6O2 Molecular Weight (g/mol): 134.134 MDL Number: MFCD00005856 InChI Key: ACZGCWSMSTYWDQ-UHFFFAOYSA-N Synonym: 2-coumaranone,benzofuran-2 3h-one,2 3h-benzofuranone,3h-benzofuran-2-one,benzofuran-2-one,benzofuranone,1-benzofuran-2 3h-one,isocoumaranone,2-coumarotioiie PubChem CID: 68382 IUPAC Name: 3H-1-benzofuran-2-one SMILES: C1C2=CC=CC=C2OC1=O

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Specifications

PubChem CID	68382
CAS	553-86-6
Molecular Weight (g/mol)	134.134
MDL Number	MFCD00005856
SMILES	C1C2=CC=CC=C2OC1=O
Synonym	2-coumaranone,benzofuran-2 3h-one,2 3h-benzofuranone,3h-benzofuran-2-one,benzofuran-2-one,benzofuranone,1-benzofuran-2 3h-one,isocoumaranone,2-coumarotioiie
IUPAC Name	3H-1-benzofuran-2-one
InChI Key	ACZGCWSMSTYWDQ-UHFFFAOYSA-N
Molecular Formula	C8H6O2

111

4-(1-Propynyl)phthalic Anhydride 98.0+%, TCI America™

CAS: 1240685-26-0 Molecular Formula: C11H6O3 Molecular Weight (g/mol): 186.17 MDL Number: MFCD28365741 InChI Key: LBTIDDCTPLEEAG-UHFFFAOYSA-N Synonym: 4-(Methylethynyl)phthalic Anhydride PubChem CID: 21339433 IUPAC Name: 5-(prop-1-yn-1-yl)-1,3-dihydro-2-benzofuran-1,3-dione SMILES: CC#CC1=CC2=C(C=C1)C(=O)OC2=O

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Specifications

PubChem CID	21339433
CAS	1240685-26-0
Molecular Weight (g/mol)	186.17
MDL Number	MFCD28365741
SMILES	CC#CC1=CC2=C(C=C1)C(=O)OC2=O
Synonym	4-(Methylethynyl)phthalic Anhydride
IUPAC Name	5-(prop-1-yn-1-yl)-1,3-dihydro-2-benzofuran-1,3-dione
InChI Key	LBTIDDCTPLEEAG-UHFFFAOYSA-N
Molecular Formula	C11H6O3

112

Phenylmaleic Anhydride 98.0+%, TCI America™

CAS: 36122-35-7 Molecular Formula: C10H6O3 Molecular Weight (g/mol): 174.16 MDL Number: MFCD00015472 InChI Key: QZYCWJVSPFQUQC-UHFFFAOYSA-N Synonym: phenylmaleic anhydride,3-phenyl-furan-2,5-dione,3-phenyl-2,5-furandione,3-phenyl-2,5-dihydrofuran-2,5-dione,2,5-furandione, 3-phenyl,phenylmaleicanhydride,phenylmalecanhydrde,acmc-20ajwi,phenyl maleic anhydride,phenyl-maleic anhydride PubChem CID: 99174 IUPAC Name: 3-phenyl-2,5-dihydrofuran-2,5-dione SMILES: O=C1OC(=O)C(=C1)C1=CC=CC=C1

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Specifications

PubChem CID	99174
CAS	36122-35-7
Molecular Weight (g/mol)	174.16
MDL Number	MFCD00015472
SMILES	O=C1OC(=O)C(=C1)C1=CC=CC=C1
Synonym	phenylmaleic anhydride,3-phenyl-furan-2,5-dione,3-phenyl-2,5-furandione,3-phenyl-2,5-dihydrofuran-2,5-dione,2,5-furandione, 3-phenyl,phenylmaleicanhydride,phenylmalecanhydrde,acmc-20ajwi,phenyl maleic anhydride,phenyl-maleic anhydride
IUPAC Name	3-phenyl-2,5-dihydrofuran-2,5-dione
InChI Key	QZYCWJVSPFQUQC-UHFFFAOYSA-N
Molecular Formula	C10H6O3

113

3-Methylphthalic Anhydride 96.0+%, TCI America™

CAS: 4792-30-7 Molecular Formula: C9H6O3 Molecular Weight (g/mol): 162.14 MDL Number: MFCD00047316 InChI Key: TWWAWPHAOPTQEU-UHFFFAOYSA-N Synonym: 3-methylphthalic anhydride,4-methylisobenzofuran-1,3-dione,1,3-isobenzofurandione, 4-methyl,3-methyl phthalic anhydride,methylphthalic anhydride,phthalic anhydride, 3-methyl,2,3-toluenedicarboxylic anhydride,1,3-isobenzofurandione, methyl,4-methyl-1,3-dihydro-2-benzofuran-1,3-dione,acmc-1arrb PubChem CID: 98500 IUPAC Name: 4-methyl-1,3-dihydro-2-benzofuran-1,3-dione SMILES: CC1=CC=CC2=C1C(=O)OC2=O

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Specifications

PubChem CID	98500
CAS	4792-30-7
Molecular Weight (g/mol)	162.14
MDL Number	MFCD00047316
SMILES	CC1=CC=CC2=C1C(=O)OC2=O
Synonym	3-methylphthalic anhydride,4-methylisobenzofuran-1,3-dione,1,3-isobenzofurandione, 4-methyl,3-methyl phthalic anhydride,methylphthalic anhydride,phthalic anhydride, 3-methyl,2,3-toluenedicarboxylic anhydride,1,3-isobenzofurandione, methyl,4-methyl-1,3-dihydro-2-benzofuran-1,3-dione,acmc-1arrb
IUPAC Name	4-methyl-1,3-dihydro-2-benzofuran-1,3-dione
InChI Key	TWWAWPHAOPTQEU-UHFFFAOYSA-N
Molecular Formula	C9H6O3

114

Oxazole 98.0+%, TCI America™

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

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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

115

2,3-Diphenylmaleic Anhydride 95.0+%, TCI America™

CAS: 4808-48-4 Molecular Formula: C16H10O3 Molecular Weight (g/mol): 250.253 MDL Number: MFCD00005521 InChI Key: OUJCFCNZIUTYBH-UHFFFAOYSA-N Synonym: 2,3-diphenylmaleic anhydride,diphenylmaleic anhydride,3,4-diphenyl-2,5-furandione,diphenylfuran-2,5-dione,2,3-diphenylmaleicanhydride,2,5-furandione, 3,4-diphenyl,acmc-1asck,2, 3,4-diphenyl,diphenyl-maleic anhydride,2,5-furandione,3,4-diphenyl PubChem CID: 78530 IUPAC Name: 3,4-diphenylfuran-2,5-dione SMILES: C1=CC=C(C=C1)C2=C(C(=O)OC2=O)C3=CC=CC=C3

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Specifications

PubChem CID	78530
CAS	4808-48-4
Molecular Weight (g/mol)	250.253
MDL Number	MFCD00005521
SMILES	C1=CC=C(C=C1)C2=C(C(=O)OC2=O)C3=CC=CC=C3
Synonym	2,3-diphenylmaleic anhydride,diphenylmaleic anhydride,3,4-diphenyl-2,5-furandione,diphenylfuran-2,5-dione,2,3-diphenylmaleicanhydride,2,5-furandione, 3,4-diphenyl,acmc-1asck,2, 3,4-diphenyl,diphenyl-maleic anhydride,2,5-furandione,3,4-diphenyl
IUPAC Name	3,4-diphenylfuran-2,5-dione
InChI Key	OUJCFCNZIUTYBH-UHFFFAOYSA-N
Molecular Formula	C16H10O3

116

6-Chlorochromone-2-carboxylic Acid 98.0+%, TCI America™

CAS: 5006-45-1 Molecular Formula: C10H5ClO4 Molecular Weight (g/mol): 224.596 MDL Number: MFCD00847039 InChI Key: HALQFUWRVXLBIS-UHFFFAOYSA-N Synonym: 6-Chloro-4-oxo-4H-1-benzopyran-2-carboxylic Acid PubChem CID: 21107 IUPAC Name: 6-chloro-4-oxochromene-2-carboxylic acid SMILES: C1=CC2=C(C=C1Cl)C(=O)C=C(O2)C(=O)O

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Specifications

PubChem CID	21107
CAS	5006-45-1
Molecular Weight (g/mol)	224.596
MDL Number	MFCD00847039
SMILES	C1=CC2=C(C=C1Cl)C(=O)C=C(O2)C(=O)O
Synonym	6-Chloro-4-oxo-4H-1-benzopyran-2-carboxylic Acid
IUPAC Name	6-chloro-4-oxochromene-2-carboxylic acid
InChI Key	HALQFUWRVXLBIS-UHFFFAOYSA-N
Molecular Formula	C10H5ClO4

117

5-Cyanophthalide 98.0+%, TCI America™

CAS: 82104-74-3 Molecular Formula: C9H5NO2 Molecular Weight (g/mol): 159.144 InChI Key: XEEGWTLAFIZLSF-UHFFFAOYSA-N Synonym: 5-cyanophthalide,1-oxo-1,3-dihydroisobenzofuran-5-carbonitrile,5-cyano phthalide,5-cyano-3h-isobenzofuranone,1,3-dihydro-1-oxoisobenzofuran-5-carbonitrile,1-oxo-1,3-dihydro-2-benzofuran-5-carbonitrile,1-oxo-3h-isobenzofuran-5-carbonitrile,1,3-dihydro-1-oxo-5-isobenzofurancarbonitrile,5-isobenzofurancarbonitrile, 1,3-dihydro-1-oxo,5-cyanophthalid PubChem CID: 821218 IUPAC Name: 1-oxo-3H-2-benzofuran-5-carbonitrile SMILES: C1C2=C(C=CC(=C2)C#N)C(=O)O1

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Specifications

PubChem CID	821218
CAS	82104-74-3
Molecular Weight (g/mol)	159.144
SMILES	C1C2=C(C=CC(=C2)C#N)C(=O)O1
Synonym	5-cyanophthalide,1-oxo-1,3-dihydroisobenzofuran-5-carbonitrile,5-cyano phthalide,5-cyano-3h-isobenzofuranone,1,3-dihydro-1-oxoisobenzofuran-5-carbonitrile,1-oxo-1,3-dihydro-2-benzofuran-5-carbonitrile,1-oxo-3h-isobenzofuran-5-carbonitrile,1,3-dihydro-1-oxo-5-isobenzofurancarbonitrile,5-isobenzofurancarbonitrile, 1,3-dihydro-1-oxo,5-cyanophthalid
IUPAC Name	1-oxo-3H-2-benzofuran-5-carbonitrile
InChI Key	XEEGWTLAFIZLSF-UHFFFAOYSA-N
Molecular Formula	C9H5NO2

118

Bis(hexylene Glycolato)diboron 98.0+%, TCI America™

CAS: 230299-21-5 Molecular Formula: C12H24B2O4 Molecular Weight (g/mol): 253.94 MDL Number: MFCD03490499 InChI Key: UEBSWKNVDRJVHN-UHFFFAOYSA-N Synonym: bis hexylene glycolato diboron,bis hexyleneglycolato diboron,4,4,6-trimethyl-2-4,4,6-trimethyl-1,3,2-dioxaborinan-2-yl-1,3,2-dioxaborinane,4,4,4',4',6,6'-hexamethyl-2,2'-bi 1,3,2-dioxaborinane,2,2'-bi-1,3,2-dioxaborinane, 4,4,4',4',6,6'-hexamethyl,4,4,4',4',6,6'-hexamethyl-2,2'-bi-1,3,2-dioxaborinane,pubchem7774 PubChem CID: 2734616 IUPAC Name: 4,4,6-trimethyl-2-(4,4,6-trimethyl-1,3,2-dioxaborinan-2-yl)-1,3,2-dioxaborinane SMILES: B1(OC(CC(O1)(C)C)C)B2OC(CC(O2)(C)C)C

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Specifications

PubChem CID	2734616
CAS	230299-21-5
Molecular Weight (g/mol)	253.94
MDL Number	MFCD03490499
SMILES	B1(OC(CC(O1)(C)C)C)B2OC(CC(O2)(C)C)C
Synonym	bis hexylene glycolato diboron,bis hexyleneglycolato diboron,4,4,6-trimethyl-2-4,4,6-trimethyl-1,3,2-dioxaborinan-2-yl-1,3,2-dioxaborinane,4,4,4',4',6,6'-hexamethyl-2,2'-bi 1,3,2-dioxaborinane,2,2'-bi-1,3,2-dioxaborinane, 4,4,4',4',6,6'-hexamethyl,4,4,4',4',6,6'-hexamethyl-2,2'-bi-1,3,2-dioxaborinane,pubchem7774
IUPAC Name	4,4,6-trimethyl-2-(4,4,6-trimethyl-1,3,2-dioxaborinan-2-yl)-1,3,2-dioxaborinane
InChI Key	UEBSWKNVDRJVHN-UHFFFAOYSA-N
Molecular Formula	C12H24B2O4

119

2,3-Bis(2,4,5-trimethyl-3-thienyl)maleic Anhydride 97.0+%, TCI America™

CAS: 112440-47-8 Molecular Formula: C18H18O3S2 Molecular Weight (g/mol): 346.46 MDL Number: MFCD00142789 InChI Key: ANYDHJQJXVIYHM-UHFFFAOYSA-N PubChem CID: 11382417 IUPAC Name: bis(2,4,5-trimethylthiophen-3-yl)-2,5-dihydrofuran-2,5-dione SMILES: CC1=C(C)C(=C(C)S1)C1=C(C(=O)OC1=O)C1=C(C)SC(C)=C1C

Pricing & Availability
Specifications

PubChem CID	11382417
CAS	112440-47-8
Molecular Weight (g/mol)	346.46
MDL Number	MFCD00142789
SMILES	CC1=C(C)C(=C(C)S1)C1=C(C(=O)OC1=O)C1=C(C)SC(C)=C1C
IUPAC Name	bis(2,4,5-trimethylthiophen-3-yl)-2,5-dihydrofuran-2,5-dione
InChI Key	ANYDHJQJXVIYHM-UHFFFAOYSA-N
Molecular Formula	C18H18O3S2

120

2-[2-(Furan-2-yl)vinyl]-4,6-bis(trichloromethyl)-1,3,5-triazine 95.0+%, TCI America™

CAS: 154880-05-4 Molecular Formula: C11H5Cl6N3O Molecular Weight (g/mol): 407.881 MDL Number: MFCD00671535 InChI Key: PNDRGJCVJPHPOZ-UHFFFAOYSA-N Synonym: 2,4-Bis(trichloromethyl)-6-[2-(furan-2-yl)vinyl]-1,3,5-triazine PubChem CID: 53405093 IUPAC Name: 2-[2-(furan-2-yl)ethenyl]-4,6-bis(trichloromethyl)-1,3,5-triazine SMILES: C1=COC(=C1)C=CC2=NC(=NC(=N2)C(Cl)(Cl)Cl)C(Cl)(Cl)Cl

Pricing & Availability
Specifications

PubChem CID	53405093
CAS	154880-05-4
Molecular Weight (g/mol)	407.881
MDL Number	MFCD00671535
SMILES	C1=COC(=C1)C=CC2=NC(=NC(=N2)C(Cl)(Cl)Cl)C(Cl)(Cl)Cl
Synonym	2,4-Bis(trichloromethyl)-6-[2-(furan-2-yl)vinyl]-1,3,5-triazine
IUPAC Name	2-[2-(furan-2-yl)ethenyl]-4,6-bis(trichloromethyl)-1,3,5-triazine
InChI Key	PNDRGJCVJPHPOZ-UHFFFAOYSA-N
Molecular Formula	C11H5Cl6N3O

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