Isobenzofurans
6-Aminofluorescein (isomer II) 95.0+%, TCI America™
CAS: 51649-83-3 Molecular Formula: C20H13NO5 Molecular Weight (g/mol): 347.326 MDL Number: MFCD00005051 InChI Key: YOAWSYSKQHLFPM-UHFFFAOYSA-N Synonym: 6-aminofluorescein,fluoresceinamine isomer ii,2-aminofluorescein,6-amino-3',6'-dihydroxy-3h-spiro isobenzofuran-1,9'-xanthen-3-one,6-amino-3',6'-dihydroxy-3h-spiro 2-benzofuran-1,9'-xanthen-3-one,5-amino-3',6'-dihydroxyspiro 2-benzofuran-3,9'-xanthene-1-one,6-amino-3',6'-dihydroxyspiro 2-benzofuran-1,9'-xanthene-3-one,6-amino-3',6'-dihydroxyspiro isobenzofuran-1 3h ,9'-9h xanthene-3-one,spiro isobenzofuran-1 3h ,9'-9h xanthen-3-one, 6-amino-3',6'-dihydroxy PubChem CID: 103924 IUPAC Name: 5-amino-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC2=C(C=C1N)C3(C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O)OC2=O
Pyromellitic Dianhydride (purified by sublimation) 99.0+%, TCI America™
CAS: 89-32-7 Molecular Formula: C10H2O6 Molecular Weight (g/mol): 218.12 MDL Number: MFCD00005005 InChI Key: ANSXAPJVJOKRDJ-UHFFFAOYSA-N Synonym: pyromellitic dianhydride,pyromellitic anhydride,pyromellitic acid anhydride,1,2,4,5-benzenetetracarboxylic anhydride,pyromellitic acid dianhydride,1h,3h-benzo 1,2-c:4,5-c' difuran-1,3,5,7-tetrone,pmda,benzo 1,2-c:4,5-c' difuran-1,3,5,7-tetraone,unii-2z22t30qzq,1,2,4,5-benzenetetracarboxylic dianhydride PubChem CID: 6966 IUPAC Name: 5,11-dioxatricyclo[7.3.0.0³,⁷]dodeca-1,3(7),8-triene-4,6,10,12-tetrone SMILES: O=C1OC(=O)C2=CC3=C(C=C12)C(=O)OC3=O
cis-4-Cyclohexene-1,2-dicarboxylic Anhydride 98.0+%, TCI America™
CAS: 935-79-5 Molecular Formula: C8H8O3 Molecular Weight (g/mol): 152.149 MDL Number: MFCD00005916 InChI Key: KMOUUZVZFBCRAM-OLQVQODUSA-N Synonym: cis-1,2,3,6-tetrahydrophthalic anhydride,cis-4-cyclohexene-1,2-dicarboxylic anhydride,3ar,7as-rel-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione,unii-w9q4666nos,cis-3a,4,7,7a-tetrahydro-1,3-isobenzofurandione,1,3-isobenzofurandione, 3a,4,7,7a-tetrahydro-, 3ar,7as-rel,1,3-isobenzofurandione, 3a,4,7,7a-tetrahydro-, cis,3ar,7as-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione,tetrahydrophthalic anhydride, cis,3as,7ar-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione PubChem CID: 98495 IUPAC Name: (3aS,7aR)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione SMILES: C1C=CCC2C1C(=O)OC2=O
(+/-)-trans-1,2-Cyclohexanedicarboxylic Anhydride 98.0+%, TCI America™
CAS: 14166-21-3 Molecular Formula: C8H10O3 Molecular Weight (g/mol): 154.165 InChI Key: MUTGBJKUEZFXGO-WDSKDSINSA-N PubChem CID: 12261141 IUPAC Name: (3aS,7aS)-3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione SMILES: C1CCC2C(C1)C(=O)OC2=O
Fluorescein Chloride 95.0+%, TCI America™
CAS: 630-88-6 Molecular Formula: C20H10Cl2O3 Molecular Weight (g/mol): 369.20 MDL Number: MFCD00037841 InChI Key: LNBKJWCRFAZVLK-UHFFFAOYSA-N PubChem CID: 99508 IUPAC Name: 3',6'-dichloro-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one SMILES: ClC1=CC=C2C(OC3=CC(Cl)=CC=C3C22OC(=O)C3=CC=CC=C23)=C1
6'-(Diethylamino)-1',3'-dimethylfluoran 98.0+%, TCI America™
CAS: 21934-68-9 Molecular Formula: C26H25NO3 Molecular Weight (g/mol): 399.49 MDL Number: MFCD08276349 InChI Key: XUFBVJQHCCCPNM-UHFFFAOYNA-N PubChem CID: 89556 IUPAC Name: 3'-(diethylamino)-6',8'-dimethyl-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one SMILES: CCN(CC)C1=CC=C2C(OC3=CC(C)=CC(C)=C3C22OC(=O)C3=CC=CC=C23)=C1
Dibromopyromellitic Dianhydride 98.0+%, TCI America™
CAS: 24848-78-0 Molecular Formula: C10Br2O6 Molecular Weight (g/mol): 375.91 MDL Number: MFCD01100205 InChI Key: OYIHYCLAXDDYFC-UHFFFAOYSA-N Synonym: 3,6-Dibromobenzene-1,2,4,5-tetracarboxylic 1,2:4,5-Dianhydride PubChem CID: 630455 IUPAC Name: dibromo-5,11-dioxatricyclo[7.3.0.0³,⁷]dodeca-1,3(7),8-triene-4,6,10,12-tetrone SMILES: BrC1=C2C(=O)OC(=O)C2=C(Br)C2=C1C(=O)OC2=O
3,4,5,6-Tetrachlorofluorescein, TCI America™
CAS: 6262-21-1 Molecular Formula: C20H8Cl4O5 Molecular Weight (g/mol): 470.08 MDL Number: MFCD00010030 InChI Key: QCPFFGGFHNZBEP-UHFFFAOYSA-N Synonym: 4,5,6,7-tetrachlorofluorescein,tetrachlorofluorescein,unii-o73wzt10by,o73wzt10by,4,5,6,7-tetrachloro-3',6'-dihydroxy-3h-spiro 2-benzofuran-1,9'-xanthen-3-one,spiro isobenzofuran-1 3h ,9'-9h xanthen-3-one, 4,5,6,7-tetrachloro-3',6'-dihydroxy,4,5,6,7-tetrachloro-3',6'-dihydroxyspiro isobenzofuran-1 3h ,9'-9h xanthene-3-one,fluorescein, tetrachloro,4,6,7-tetrachloro-fluorescein PubChem CID: 80424 IUPAC Name: 4,5,6,7-tetrachloro-3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one SMILES: OC1=CC=C2C(OC3=CC(O)=CC=C3C22OC(=O)C3=C(Cl)C(Cl)=C(Cl)C(Cl)=C23)=C1
Fluorescein Isothiocyanate (mixture of 5- and 6- isomers) 97.0+%, TCI America™
CAS: 27072-45-3 Molecular Formula: C21H11NO5S MDL Number: MFCD00005063 Synonym: Isothiocyanatofluorescein
1,3-Diphenylisobenzofuran 97.0+%, TCI America™
CAS: 5471-63-6 Molecular Formula: C20H14O Molecular Weight (g/mol): 270.331 MDL Number: MFCD00005931 InChI Key: ZKSVYBRJSMBDMV-UHFFFAOYSA-N Synonym: 1,3-diphenylisobenzofuran,diphenylisobenzofuran,isobenzofuran, 1,3-diphenyl,1,3 diphenylisobenzofuran,2,5-diphenyl-3,4-benzofuran,acmc-209lj9,1,3-diphenylbenzo c furan,1,3-diphenylisobenzo b furan,1,3-di phenyl-2-benzofuran,# PubChem CID: 21649 IUPAC Name: 1,3-diphenyl-2-benzofuran SMILES: C1=CC=C(C=C1)C2=C3C=CC=CC3=C(O2)C4=CC=CC=C4
2'-(Dibenzylamino)-6'-(diethylamino)fluoran 98.0+%, TCI America™
CAS: 34372-72-0 Molecular Formula: C38H34N2O3 Molecular Weight (g/mol): 566.701 InChI Key: DXYZIGZCEVJFIX-UHFFFAOYSA-N PubChem CID: 118663 IUPAC Name: 2'-(dibenzylamino)-6'-(diethylamino)spiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: CCN(CC)C1=CC2=C(C=C1)C3(C4=CC=CC=C4C(=O)O3)C5=C(O2)C=CC(=C5)N(CC6=CC=CC=C6)CC7=CC=CC=C7
Fluorescein 6-Isothiocyanate (isomer II) 97.0+%, TCI America™
CAS: 18861-78-4 Molecular Formula: C21H11NO5S Molecular Weight (g/mol): 389.381 MDL Number: MFCD00041838 InChI Key: GTQFZXYECNSNNC-UHFFFAOYSA-N Synonym: 6-Isothiocyanatofluorescein, Fluorescein Isothiocyanate, 6-FITC PubChem CID: 2762652 ChEBI: CHEBI:37928 IUPAC Name: 3',6'-dihydroxy-5-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC2=C(C=C1N=C=S)C3(C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O)OC2=O
4-Methylcyclohexane-1,2-dicarboxylic Anhydride 98.0+%, TCI America™
CAS: 19438-60-9 Molecular Formula: C9H12O3 Molecular Weight (g/mol): 168.192 MDL Number: MFCD00005927 InChI Key: FKBMTBAXDISZGN-UHFFFAOYSA-N Synonym: hexahydro-4-methylphthalic anhydride,4-methylhexahydrophthalic anhydride,5-methylhexahydroisobenzofuran-1,3-dione,4-methyl-1,2-cyclohexanedicarboxylic anhydride,1,3-isobenzofurandione, hexahydro-5-methyl,1,3-isobenzofurandione, hexahydromethyl,4-methylcyclohexane-1,2-dicarboxylic anhydride,5-methylhexahydrophthalic anhydride,5-methyl-3a,4,5,6,7,7a-hexahydroisobenzofuran-1,3-dione,4-methyl-1,2-cyclohexanedicarboxylic anhydride, mixture of isomers PubChem CID: 86876 IUPAC Name: 5-methyl-3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione SMILES: CC1CCC2C(C1)C(=O)OC2=O
Sigma Aldrich Pyromellitic dianhydride
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Sigma Aldrich 1,3-Diphenylisobenzofuran
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.