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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3-Methylphthalic anhydride, 96%

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-2-benzofuran-1,3-dione SMILES: CC1=CC=CC2=C1C(=O)OC2=O

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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-2-benzofuran-1,3-dione
InChI Key	TWWAWPHAOPTQEU-UHFFFAOYSA-N
Molecular Formula	C9H6O3

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2,2,4-Trimethyl-1,3-dioxolane, 99%

CAS: 1193-11-9 Molecular Formula: C6H12O2 Molecular Weight (g/mol): 116.16 MDL Number: MFCD00090841 InChI Key: ALTFLAPROMVXNX-UHFFFAOYNA-N PubChem CID: 62384 IUPAC Name: 2,2,4-trimethyl-1,3-dioxolane SMILES: CC1COC(C)(C)O1

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PubChem CID	62384
CAS	1193-11-9
Molecular Weight (g/mol)	116.16
MDL Number	MFCD00090841
SMILES	CC1COC(C)(C)O1
IUPAC Name	2,2,4-trimethyl-1,3-dioxolane
InChI Key	ALTFLAPROMVXNX-UHFFFAOYNA-N
Molecular Formula	C6H12O2

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2-Benzoxazolinone, 98%

CAS: 59-49-4 Molecular Formula: C7H5NO2 Molecular Weight (g/mol): 135.12 MDL Number: MFCD00005716 InChI Key: ASSKVPFEZFQQNQ-UHFFFAOYSA-N Synonym: 2-benzoxazolinone,benzoxazolinone,benzoxazolone,2-hydroxybenzoxazole,2-benzoxazolol,2 3h-benzoxazolone,1,3-benzoxazol-2 3h-one,2-benzoxazolone,benzo d oxazol-2 3h-one,benzoxazolin-2-one PubChem CID: 6043 IUPAC Name: 2,3-dihydro-1,3-benzoxazol-2-one SMILES: O=C1NC2=CC=CC=C2O1

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PubChem CID	6043
CAS	59-49-4
Molecular Weight (g/mol)	135.12
MDL Number	MFCD00005716
SMILES	O=C1NC2=CC=CC=C2O1
Synonym	2-benzoxazolinone,benzoxazolinone,benzoxazolone,2-hydroxybenzoxazole,2-benzoxazolol,2 3h-benzoxazolone,1,3-benzoxazol-2 3h-one,2-benzoxazolone,benzo d oxazol-2 3h-one,benzoxazolin-2-one
IUPAC Name	2,3-dihydro-1,3-benzoxazol-2-one
InChI Key	ASSKVPFEZFQQNQ-UHFFFAOYSA-N
Molecular Formula	C7H5NO2

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2,3-Dimethylmaleic anhydride, 97%

CAS: 766-39-2 Molecular Formula: C₆H₆O₃ Molecular Weight (g/mol): 126.11 MDL Number: MFCD00005523 InChI Key: MFGALGYVFGDXIX-UHFFFAOYSA-N Synonym: 2,3-dimethylmaleic anhydride,dimethylmaleic anhydride,2,5-furandione, 3,4-dimethyl,pyrocinchonic anhydride,maleic anhydride, dimethyl,dimethylmaleic acid anhydride,2,3-dimethylmaleicanhydride,unii-6pp3n541qa,3,4-dimethyl-furan-2,5-dione,alpha,beta-dimethylmaleic anhydride PubChem CID: 13010 IUPAC Name: 3,4-dimethylfuran-2,5-dione SMILES: CC1=C(C(=O)OC1=O)C

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PubChem CID	13010
CAS	766-39-2
Molecular Weight (g/mol)	126.11
MDL Number	MFCD00005523
SMILES	CC1=C(C(=O)OC1=O)C
Synonym	2,3-dimethylmaleic anhydride,dimethylmaleic anhydride,2,5-furandione, 3,4-dimethyl,pyrocinchonic anhydride,maleic anhydride, dimethyl,dimethylmaleic acid anhydride,2,3-dimethylmaleicanhydride,unii-6pp3n541qa,3,4-dimethyl-furan-2,5-dione,alpha,beta-dimethylmaleic anhydride
IUPAC Name	3,4-dimethylfuran-2,5-dione
InChI Key	MFGALGYVFGDXIX-UHFFFAOYSA-N
Molecular Formula	C₆H₆O₃

Xanthydrol for the Detection of Urea, ≥99.0% (HPLC), MilliporeSigma™ Supelco™

MDL Number: MFCD00005057 Synonym: 9-Hydroxyxanthene; 9-Xanthenol

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MDL Number	MFCD00005057
Synonym	9-Hydroxyxanthene; 9-Xanthenol

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

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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

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

CAS: 108128-39-8 Molecular Formula: C9H8N2O3 Molecular Weight (g/mol): 192.17 MDL Number: MFCD08060535 InChI Key: XXEWHNSDJMBLBK-UHFFFAOYSA-N Synonym: 5-2-furyl-1-methyl-1h-pyrazole-3-carboxylic acid,5-furan-2-yl-1-methylpyrazole-3-carboxylic acid,1h-pyrazole-3-carboxylicacid, 5-2-furanyl-1-methyl,5-furan-2-yl-1-methyl-1h-pyrazole-3-carboxylic acid,acmc-1btkv,5-2-furyl-1-methylpyrazole-3-carboxylic acid PubChem CID: 7537639 SMILES: CN1N=C(C=C1C1=CC=CO1)C(O)=O

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PubChem CID	7537639
CAS	108128-39-8
Molecular Weight (g/mol)	192.17
MDL Number	MFCD08060535
SMILES	CN1N=C(C=C1C1=CC=CO1)C(O)=O
Synonym	5-2-furyl-1-methyl-1h-pyrazole-3-carboxylic acid,5-furan-2-yl-1-methylpyrazole-3-carboxylic acid,1h-pyrazole-3-carboxylicacid, 5-2-furanyl-1-methyl,5-furan-2-yl-1-methyl-1h-pyrazole-3-carboxylic acid,acmc-1btkv,5-2-furyl-1-methylpyrazole-3-carboxylic acid
InChI Key	XXEWHNSDJMBLBK-UHFFFAOYSA-N
Molecular Formula	C9H8N2O3

2-(2-Furyl)benzonitrile 97+%, Thermo Scientific™

CAS: 155395-45-2 Molecular Formula: C11H7NO Molecular Weight (g/mol): 169.18 MDL Number: MFCD04039074 InChI Key: XLZNEBADSPRURH-UHFFFAOYSA-N Synonym: 2-2-furyl benzonitrile,2-furan-2-yl benzonitrile,2-furan-2-yl-benzonitrile,benzonitrile,2-2-furanyl,2-2-furanyl benzonitrile,2-2-furyl benzenecarbonitrile,2-furan-2-yl benzenecarbonitrile PubChem CID: 4335608 IUPAC Name: 2-(furan-2-yl)benzonitrile SMILES: N#CC1=CC=CC=C1C1=CC=CO1

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PubChem CID	4335608
CAS	155395-45-2
Molecular Weight (g/mol)	169.18
MDL Number	MFCD04039074
SMILES	N#CC1=CC=CC=C1C1=CC=CO1
Synonym	2-2-furyl benzonitrile,2-furan-2-yl benzonitrile,2-furan-2-yl-benzonitrile,benzonitrile,2-2-furanyl,2-2-furanyl benzonitrile,2-2-furyl benzenecarbonitrile,2-furan-2-yl benzenecarbonitrile
IUPAC Name	2-(furan-2-yl)benzonitrile
InChI Key	XLZNEBADSPRURH-UHFFFAOYSA-N
Molecular Formula	C11H7NO

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3,4-Dihydro-2H-pyran, 99%

CAS: 110-87-2 Molecular Formula: C5H8O Molecular Weight (g/mol): 84.118 MDL Number: MFCD00006558 InChI Key: BUDQDWGNQVEFAC-UHFFFAOYSA-N Synonym: dihydropyran,3,4-dihydropyran,2,3-dihydropyran,2h-3,4-dihydropyran,2,3-dihydro-4h-pyran,dihydro-2h-pyran,2h-pyran, dihydro,2h-pyran, 3,4-dihydro,5,6-dihydro-4h-pyran,dihydropyrane PubChem CID: 8080 IUPAC Name: 3,4-dihydro-2H-pyran SMILES: C1CC=COC1

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PubChem CID	8080
CAS	110-87-2
Molecular Weight (g/mol)	84.118
MDL Number	MFCD00006558
SMILES	C1CC=COC1
Synonym	dihydropyran,3,4-dihydropyran,2,3-dihydropyran,2h-3,4-dihydropyran,2,3-dihydro-4h-pyran,dihydro-2h-pyran,2h-pyran, dihydro,2h-pyran, 3,4-dihydro,5,6-dihydro-4h-pyran,dihydropyrane
IUPAC Name	3,4-dihydro-2H-pyran
InChI Key	BUDQDWGNQVEFAC-UHFFFAOYSA-N
Molecular Formula	C5H8O

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(R)-(+)-2,2-Dimethyl-1,3-dioxolane-4-carboxaldehyde, 97%

CAS: 15186-48-8 Molecular Formula: C₆H₁₀O₃ Molecular Weight (g/mol): 130.14 MDL Number: MFCD00269682 InChI Key: YSGPYVWACGYQDJ-YFKPBYRVSA-N Synonym: r-+-2,2-dimethyl-1,3-dioxolane-4-carboxaldehyde,4r-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde,r-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde,r-+-glyceraldehyde acetonide,1,3-dioxolane-4-carboxaldehyde, 2,2-dimethyl-, r,acetone d-glyceraldehyde,+-2,2-dimethyl-1,3-dioxolane-4-carboxaldehyde,1,3-dioxolane-4-carboxaldehyde, 2,2-dimethyl-, 4r,4r-2,2-dimethyl-1,3-dioxolan-4-carbaldehyd,pubchem5767 PubChem CID: 259712 IUPAC Name: (4R)-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde SMILES: CC1(OCC(O1)C=O)C

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PubChem CID	259712
CAS	15186-48-8
Molecular Weight (g/mol)	130.14
MDL Number	MFCD00269682
SMILES	CC1(OCC(O1)C=O)C
Synonym	r-+-2,2-dimethyl-1,3-dioxolane-4-carboxaldehyde,4r-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde,r-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde,r-+-glyceraldehyde acetonide,1,3-dioxolane-4-carboxaldehyde, 2,2-dimethyl-, r,acetone d-glyceraldehyde,+-2,2-dimethyl-1,3-dioxolane-4-carboxaldehyde,1,3-dioxolane-4-carboxaldehyde, 2,2-dimethyl-, 4r,4r-2,2-dimethyl-1,3-dioxolan-4-carbaldehyd,pubchem5767
IUPAC Name	(4R)-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde
InChI Key	YSGPYVWACGYQDJ-YFKPBYRVSA-N
Molecular Formula	C₆H₁₀O₃

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6-Chloro-1,3-benzoxazol-2(3H)-one, 98+%, Thermo Scientific™

CAS: 19932-84-4 Molecular Formula: C7H4ClNO2 Molecular Weight (g/mol): 169.56 MDL Number: MFCD00463914 InChI Key: MATCZHXABVLZIE-UHFFFAOYSA-N Synonym: 6-chloro-2-benzoxazolinone,6-chlorobenzoxazolone,2 3h-benzoxazolone, 6-chloro,6-chloro-1,3-benzoxazol-2 3h-one,6-chlorobenzo d oxazol-2 3h-one,6-chlorobenzoxazolinone,6-chloro-2-benzoxazolone,6-chloro-1,3-benzoxazol-2-ol,2-benzoxazolinone, 6-chloro,6-chloro-2,3-dihydrobenzoxazol-2-one PubChem CID: 29858 IUPAC Name: 6-chloro-3H-1,3-benzoxazol-2-one SMILES: ClC1=CC=C2NC(=O)OC2=C1

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PubChem CID	29858
CAS	19932-84-4
Molecular Weight (g/mol)	169.56
MDL Number	MFCD00463914
SMILES	ClC1=CC=C2NC(=O)OC2=C1
Synonym	6-chloro-2-benzoxazolinone,6-chlorobenzoxazolone,2 3h-benzoxazolone, 6-chloro,6-chloro-1,3-benzoxazol-2 3h-one,6-chlorobenzo d oxazol-2 3h-one,6-chlorobenzoxazolinone,6-chloro-2-benzoxazolone,6-chloro-1,3-benzoxazol-2-ol,2-benzoxazolinone, 6-chloro,6-chloro-2,3-dihydrobenzoxazol-2-one
IUPAC Name	6-chloro-3H-1,3-benzoxazol-2-one
InChI Key	MATCZHXABVLZIE-UHFFFAOYSA-N
Molecular Formula	C7H4ClNO2

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Coumalic acid, 97%

CAS: 500-05-0 Molecular Formula: C6H4O4 Molecular Weight (g/mol): 140.09 MDL Number: MFCD00006644 InChI Key: ORGPJDKNYMVLFL-UHFFFAOYSA-N Synonym: coumalic acid,2-oxo-2h-pyran-5-carboxylic acid,cumalic acid,2h-pyran-5-carboxylic acid, 2-oxo,2-oxopyran-5-carboxylic acid,unii-ob1jpy343g,2-pyrone-5-carboxylic acid,alpha-pyrone-5-carboxylic acid,.alpha.-pyrone-5-carboxylic acid,ob1jpy343g PubChem CID: 68141 SMILES: OC(=O)C1=COC(=O)C=C1

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PubChem CID	68141
CAS	500-05-0
Molecular Weight (g/mol)	140.09
MDL Number	MFCD00006644
SMILES	OC(=O)C1=COC(=O)C=C1
Synonym	coumalic acid,2-oxo-2h-pyran-5-carboxylic acid,cumalic acid,2h-pyran-5-carboxylic acid, 2-oxo,2-oxopyran-5-carboxylic acid,unii-ob1jpy343g,2-pyrone-5-carboxylic acid,alpha-pyrone-5-carboxylic acid,.alpha.-pyrone-5-carboxylic acid,ob1jpy343g
InChI Key	ORGPJDKNYMVLFL-UHFFFAOYSA-N
Molecular Formula	C6H4O4

4,5',8-Trimethylpsoralen, 99%

CAS: 3902-71-4 Molecular Formula: C14H12O3 Molecular Weight (g/mol): 228.25 MDL Number: MFCD00005010 InChI Key: FMHHVULEAZTJMA-UHFFFAOYSA-N Synonym: trioxsalen,trioxysalen,trisoralen,trimethylpsoralen,4,5',8-trimethylpsoralen,elder 8011,trioxisaleno,trioxysalene,trioxysalenum,2',4,8-trimethylpsoralen PubChem CID: 5585 ChEBI: CHEBI:28329 IUPAC Name: 2,5,9-trimethyl-7H-furo[3,2-g]chromen-7-one SMILES: CC1=CC2=CC3=C(OC(=O)C=C3C)C(C)=C2O1

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PubChem CID	5585
CAS	3902-71-4
Molecular Weight (g/mol)	228.25
ChEBI	CHEBI:28329
MDL Number	MFCD00005010
SMILES	CC1=CC2=CC3=C(OC(=O)C=C3C)C(C)=C2O1
Synonym	trioxsalen,trioxysalen,trisoralen,trimethylpsoralen,4,5',8-trimethylpsoralen,elder 8011,trioxisaleno,trioxysalene,trioxysalenum,2',4,8-trimethylpsoralen
IUPAC Name	2,5,9-trimethyl-7H-furo[3,2-g]chromen-7-one
InChI Key	FMHHVULEAZTJMA-UHFFFAOYSA-N
Molecular Formula	C14H12O3

3-(2-Oxo-2,3-dihydro-1,3-benzoxazol-3-yl)propanoic acid, 97%, Thermo Scientific™

CAS: 13610-59-8 Molecular Formula: C10H9NO4 Molecular Weight (g/mol): 207.185 MDL Number: MFCD00052166 InChI Key: BMLRDVCKJXMASM-UHFFFAOYSA-N Synonym: 3-2-oxo-2,3-dihydro-1,3-benzoxazol-3-yl propanoic acid,3-2-oxo-1,3-benzoxazol-3 2h-yl propanoic acid,3-2-oxobenzo d oxazol-3 2h-yl propanoic acid,3-2-oxo-benzooxazol-3-yl propionic acid,3-2-oxo-1,3-benzoxazol-3-yl propanoic acid,3 2h-benzoxazolepropanoic acid, 2-oxo,3-2-oxo-benzooxazol-3-yl-propionic acid,3 2h-benzoxazolepropanoicacid, 2-oxo,3-2-oxo-3-hydrobenzoxazol-3-yl propanoic acid,maybridge1_008314 PubChem CID: 720147 IUPAC Name: 3-(2-oxo-1,3-benzoxazol-3-yl)propanoic acid SMILES: C1=CC=C2C(=C1)N(C(=O)O2)CCC(=O)O

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PubChem CID	720147
CAS	13610-59-8
Molecular Weight (g/mol)	207.185
MDL Number	MFCD00052166
SMILES	C1=CC=C2C(=C1)N(C(=O)O2)CCC(=O)O
Synonym	3-2-oxo-2,3-dihydro-1,3-benzoxazol-3-yl propanoic acid,3-2-oxo-1,3-benzoxazol-3 2h-yl propanoic acid,3-2-oxobenzo d oxazol-3 2h-yl propanoic acid,3-2-oxo-benzooxazol-3-yl propionic acid,3-2-oxo-1,3-benzoxazol-3-yl propanoic acid,3 2h-benzoxazolepropanoic acid, 2-oxo,3-2-oxo-benzooxazol-3-yl-propionic acid,3 2h-benzoxazolepropanoicacid, 2-oxo,3-2-oxo-3-hydrobenzoxazol-3-yl propanoic acid,maybridge1_008314
IUPAC Name	3-(2-oxo-1,3-benzoxazol-3-yl)propanoic acid
InChI Key	BMLRDVCKJXMASM-UHFFFAOYSA-N
Molecular Formula	C10H9NO4

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Bis(neopentyl glycolato)diboron, 98%

CAS: 201733-56-4 Molecular Formula: C10H20B2O4 Molecular Weight (g/mol): 225.89 MDL Number: MFCD02093062 InChI Key: MDNDJMCSXOXBFZ-UHFFFAOYSA-N Synonym: bis neopentyl glycolato diboron,bis neopentylglycolato diboron,5,5,5',5'-tetramethyl-2,2'-bi 1,3,2-dioxaborinane,2-5,5-dimethyl-1,3,2-dioxaborinan-2-yl-5,5-dimethyl-1,3,2-dioxaborinane,5,5,5',5'-tetramethyl-2,2'-bi-1,3,2-dioxaborinane,2,2'-bi-1,3,2-dioxaborinane, 5,5,5',5'-tetramethyl,bis neopentyl glycolato diborane,bis 2,2-dimethyl-1,3-propanediolato diboron,5,5,5',5'-tetramethyl-2,2' bi 1,3,2 dioxaborinanyl PubChem CID: 2734316 IUPAC Name: 2-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)-5,5-dimethyl-1,3,2-dioxaborinane SMILES: CC1(C)COB(OC1)B1OCC(C)(C)CO1

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Specifications

PubChem CID	2734316
CAS	201733-56-4
Molecular Weight (g/mol)	225.89
MDL Number	MFCD02093062
SMILES	CC1(C)COB(OC1)B1OCC(C)(C)CO1
Synonym	bis neopentyl glycolato diboron,bis neopentylglycolato diboron,5,5,5',5'-tetramethyl-2,2'-bi 1,3,2-dioxaborinane,2-5,5-dimethyl-1,3,2-dioxaborinan-2-yl-5,5-dimethyl-1,3,2-dioxaborinane,5,5,5',5'-tetramethyl-2,2'-bi-1,3,2-dioxaborinane,2,2'-bi-1,3,2-dioxaborinane, 5,5,5',5'-tetramethyl,bis neopentyl glycolato diborane,bis 2,2-dimethyl-1,3-propanediolato diboron,5,5,5',5'-tetramethyl-2,2' bi 1,3,2 dioxaborinanyl
IUPAC Name	2-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)-5,5-dimethyl-1,3,2-dioxaborinane
InChI Key	MDNDJMCSXOXBFZ-UHFFFAOYSA-N
Molecular Formula	C10H20B2O4

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