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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316 – 330 of 336 results

316

Medchemexpress LLC Alpha-naphthoflavone | 604-59-1 | MFCD00004985 | ≥98.0% | 272.30 g/mol | C19H12O2 | 20MG

Alpha-naphthoflavone is an orally active flavonoid used in research as a potent, competitive inhibitor of aromatase and certain cytochrome P450 enzymes. It is intended for laboratory research use; consult the safety data sheet for handling, storage, and hazard information.

Pricing & Availability

317

Chemscene ChemScene | 2-(6-Chloropyridin-2-yl)acetic acid | 250MG | CS-0149601 | 0.98 | 885267-14-1| MFCD08706288 | 171.58

ChemScene | 2-(6-Chloropyridin-2-yl)acetic acid | 250MG | CS-0149601 | 0.98 | 885267-14-1| MFCD08706288 | 171.58

Pricing & Availability

318

eMolecules 17349-64-3 | AbaChemScene | 7-methylbenzofuran-2-carboxylic acid | 100mg | 410775117 | CS-0062591 | MFCD11574543 | 176.171 | C10H8O3

Medchem Express | Ceftobiprole medocaril (sodium) | 5mg | 761738332 | HY-106574A | 252188-71-9 | 712.640 | C26H25N8NaO11S2

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eMolecules Building Block Tool<|a>

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319

Chem-Impex International, Inc. Maleic anhydride | 108-31-6 | MFCD00005518 | 1KG

Maleic anhydride, 108-31-6, MFCD00005518, 1KG

Pricing & Availability

320

STA PHARMACEUTICAL US LLC Fmoc-(S)-3-Amino-3-(2-furyl)-propionic acid | 10 g | CAS 1217741-88-2 | MDL MFCD04117841

Fmoc-(S)-3-Amino-3-(2-furyl)-propionic acid is a Amino Acid reagent (Subcategory: Beta AA) sold by WuXi TIDES. Offered in 10 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 1217741-88-2
- MDL: MFCD04117841
- InChIKey: WNBKREXSNCMGTJ-IBGZPJMESA-N
- Molecular Weight: 377.396
- Molecular Formula: C22H19NO5
- Purity: ≥95%
- Container Type: 60 mL HDPE
- Pack Size: 10 g
- Net Weight: 10 g
- Gross Weight: 25 g
- Commodity Code: 29321900
- Country Of Origin: China
- IUPAC: (S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(furan-2-yl)propanoic acid
- SMILES: O=C(C[C@H](NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)C4=CC=CO4)O

Pricing & Availability

321

eMolecules AstaTech / 1-BOC-PIPERIDINE-2-YLACETIC ACID / 1g / 112524016 / 55960 / 97.000 / 149518-50-3 / MFCD02179000 / 243.303 / C12H21NO4

AstaTech / 1-BOC-PIPERIDINE-2-YLACETIC ACID / 1g / 112524016 / 55960 / 97.000 / 149518-50-3 / MFCD02179000 / 243.303 / C12H21NO4

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322

Medchemexpress LLC Alpha-naphthoflavone | 604-59-1 | MFCD00004985 | 272.30 g·mol⁻¹ | C19H12O2 | 10MG

Alpha-naphthoflavone is a synthetic flavonoid research compound that functions as a potent, competitive aromatase inhibitor and a modulator of cytochrome P450-mediated xenobiotic metabolism. It is used in biochemical and pharmacological studies to probe estrogen biosynthesis and enzyme activity. Chemical identifiers: CAS 604-59-1; formula C19H12O2; molecular weight 272.30 g·mol⁻¹. Supplied as a solid for laboratory use.

Potent, competitive aromatase inhibitor for in vitro and biochemical assays.
Tool to probe cytochrome P450-mediated metabolism and enzyme induction.
Solid form suitable for preparing concentrated stock solutions.
Chemical identifiers included for compound verification.
Purity not specified on available datasheet; request certificate of analysis if required.

Pricing & Availability

323

eMolecules 170681-91-1 | 5-Bromo-7-methylbenzofuran | MFCD11877829 | 1g

ChemScene | 45-Bis(4-aminophenyl)-[1121-terphenyl]-44-diamine | 250mg | 586498729 | CS-0146289 | 2458125-05-6 | 442.566 | C30H26N4

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324

eMolecules 92-83-1 | Xanthene | Combi-Blocks | MFCD00005055 | 182.222 | C13H10O | 98.000 | C1c2ccccc2Oc2ccccc12 | 1g | 388717232

Xanthene | Combi-Blocks | 92-83-1 | MFCD00005055 | 182.222 | C13H10O | 98.000 | C1c2ccccc2Oc2ccccc12 | 1g | 388717232

Pricing & Availability

325

2,3-Dimethylmaleic anhydride, 97%, Thermo Scientific™

CAS: 766-39-2 Molecular Formula: C6H6O3 Molecular Weight (g/mol): 126.111 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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Specifications

PubChem CID	13010
CAS	766-39-2
Molecular Weight (g/mol)	126.111
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

326

Ethyl Isodehydracetate 97%, Thermo Scientific™

CAS: 3385-34-0 Molecular Formula: C10H12O4 Molecular Weight (g/mol): 196.20 MDL Number: MFCD00006643 InChI Key: FBPWNVQUVXSXKS-UHFFFAOYSA-N Synonym: ethyl isodehydroacetate,ethyl 4,6-dimethyl-2-oxo-2h-pyran-5-carboxylate,ethyl isodehydracetate,5-carbethoxy-4,6-dimethyl-2-pyrone,2h-pyran-5-carboxylic acid, 4,6-dimethyl-2-oxo-, ethyl ester,ethyl 4,6-dimethyl-5-coumalate,2,4-dimethyl-6-oxo-6h-pyran-3-carboxylic acid ethyl ester,ethylisodehydroacetate,ethyl 4,6-dimethyl-2-oxopyran-5-carboxylate,acmc-20am57 PubChem CID: 76918 IUPAC Name: ethyl 4,6-dimethyl-2-oxo-2H-pyran-5-carboxylate SMILES: CCOC(=O)C1=C(C)OC(=O)C=C1C

Pricing & Availability
Specifications

PubChem CID	76918
CAS	3385-34-0
Molecular Weight (g/mol)	196.20
MDL Number	MFCD00006643
SMILES	CCOC(=O)C1=C(C)OC(=O)C=C1C
Synonym	ethyl isodehydroacetate,ethyl 4,6-dimethyl-2-oxo-2h-pyran-5-carboxylate,ethyl isodehydracetate,5-carbethoxy-4,6-dimethyl-2-pyrone,2h-pyran-5-carboxylic acid, 4,6-dimethyl-2-oxo-, ethyl ester,ethyl 4,6-dimethyl-5-coumalate,2,4-dimethyl-6-oxo-6h-pyran-3-carboxylic acid ethyl ester,ethylisodehydroacetate,ethyl 4,6-dimethyl-2-oxopyran-5-carboxylate,acmc-20am57
IUPAC Name	ethyl 4,6-dimethyl-2-oxo-2H-pyran-5-carboxylate
InChI Key	FBPWNVQUVXSXKS-UHFFFAOYSA-N
Molecular Formula	C10H12O4

327

6-O-Benzoyl-D-glucal, 97%, Thermo Scientific™

CAS: 58871-05-9 Molecular Formula: C13H14O5 Molecular Weight (g/mol): 250.25 MDL Number: MFCD01321275 InChI Key: DIEYDTYJOXFFJG-UTUOFQBUSA-N Synonym: 6-o-benzoyl-d-glucal,2r,3s,4r-3,4-dihydroxy-3,4-dihydro-2h-pyran-2-yl methyl benzoate,6-o-benzoylglucal,d-arabino-hex-1-enitol, 1,5-anhydro-2-deoxy-, 6-benzoate PubChem CID: 14308105 IUPAC Name: [(2R,3S,4R)-3,4-dihydroxy-3,4-dihydro-2H-pyran-2-yl]methyl benzoate SMILES: C1=CC=C(C=C1)C(=O)OCC2C(C(C=CO2)O)O

Pricing & Availability
Specifications

PubChem CID	14308105
CAS	58871-05-9
Molecular Weight (g/mol)	250.25
MDL Number	MFCD01321275
SMILES	C1=CC=C(C=C1)C(=O)OCC2C(C(C=CO2)O)O
Synonym	6-o-benzoyl-d-glucal,2r,3s,4r-3,4-dihydroxy-3,4-dihydro-2h-pyran-2-yl methyl benzoate,6-o-benzoylglucal,d-arabino-hex-1-enitol, 1,5-anhydro-2-deoxy-, 6-benzoate
IUPAC Name	[(2R,3S,4R)-3,4-dihydroxy-3,4-dihydro-2H-pyran-2-yl]methyl benzoate
InChI Key	DIEYDTYJOXFFJG-UTUOFQBUSA-N
Molecular Formula	C13H14O5

328

4-(3-Ethyl-1,2,4-oxadiazol-5-yl)benzonitrile, 97%, Thermo Scientific™

CAS: 1421262-65-8 Molecular Formula: C11H9N3O Molecular Weight (g/mol): 199.213 MDL Number: MFCD22682905 InChI Key: OLEJLLUUIDNJDM-UHFFFAOYSA-N Synonym: 4-3-ethyl-1,2,4-oxadiazol-5-yl benzonitrile PubChem CID: 73996265 IUPAC Name: 4-(3-ethyl-1,2,4-oxadiazol-5-yl)benzonitrile SMILES: CCC1=NOC(=N1)C2=CC=C(C=C2)C#N

Pricing & Availability
Specifications

PubChem CID	73996265
CAS	1421262-65-8
Molecular Weight (g/mol)	199.213
MDL Number	MFCD22682905
SMILES	CCC1=NOC(=N1)C2=CC=C(C=C2)C#N
Synonym	4-3-ethyl-1,2,4-oxadiazol-5-yl benzonitrile
IUPAC Name	4-(3-ethyl-1,2,4-oxadiazol-5-yl)benzonitrile
InChI Key	OLEJLLUUIDNJDM-UHFFFAOYSA-N
Molecular Formula	C11H9N3O

329

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 & 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

330

Dibenzofuran 98%, Thermo Scientific™

CAS: 132-64-9 Molecular Formula: C12H8O Molecular Weight (g/mol): 168.195 MDL Number: MFCD00004968 InChI Key: TXCDCPKCNAJMEE-UHFFFAOYSA-N Synonym: dibenzo b,d furan,diphenylene oxide,2,2'-biphenylene oxide,2,2'-biphenylylene oxide,dibenzofurans,dibenzol b,d furan,dibenzofurane,1,1'-biphenyl-2,2'-diyl oxide PubChem CID: 568 ChEBI: CHEBI:28145 IUPAC Name: dibenzofuran SMILES: C1=CC=C2C(=C1)C3=CC=CC=C3O2

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Specifications

PubChem CID	568
CAS	132-64-9
Molecular Weight (g/mol)	168.195
ChEBI	CHEBI:28145
MDL Number	MFCD00004968
SMILES	C1=CC=C2C(=C1)C3=CC=CC=C3O2
Synonym	dibenzo b,d furan,diphenylene oxide,2,2'-biphenylene oxide,2,2'-biphenylylene oxide,dibenzofurans,dibenzol b,d furan,dibenzofurane,1,1'-biphenyl-2,2'-diyl oxide
IUPAC Name	dibenzofuran
InChI Key	TXCDCPKCNAJMEE-UHFFFAOYSA-N
Molecular Formula	C12H8O

Oxacyclic compounds

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Medchemexpress LLC Alpha-naphthoflavone | 604-59-1 | MFCD00004985 | ≥98.0% | 272.30 g/mol | C19H12O2 | 20MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Chemscene ChemScene | 2-(6-Chloropyridin-2-yl)acetic acid | 250MG | CS-0149601 | 0.98 | 885267-14-1| MFCD08706288 | 171.58 Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Alpha-naphthoflavone | 604-59-1 | MFCD00004985 | 272.30 g·mol⁻¹ | C19H12O2 | 10MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Alpha-naphthoflavone | 604-59-1 | MFCD00004985 | ≥98.0% | 272.30 g/mol | C19H12O2 | 20MG

Chemscene ChemScene | 2-(6-Chloropyridin-2-yl)acetic acid | 250MG | CS-0149601 | 0.98 | 885267-14-1| MFCD08706288 | 171.58

Medchemexpress LLC Alpha-naphthoflavone | 604-59-1 | MFCD00004985 | 272.30 g·mol⁻¹ | C19H12O2 | 10MG