Isobenzofurans
Fluorescein Isothiocyanate (mixture of 5- and 6- isomers) 97.0+%, TCI America™
CAS: 27072-45-3 Molecular Formula: C21H11NO5S MDL Number: MFCD00005063 Synonym: Isothiocyanatofluorescein
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
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
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
Dibromofluorescein (contains Mono-, Tri- and Tetra-), TCI America™
CAS: 596-03-2 Molecular Formula: C20H10Br2O5 Molecular Weight (g/mol): 490.103 MDL Number: MFCD00005042 InChI Key: ZDTNHRWWURISAA-UHFFFAOYSA-N Synonym: 4',5'-dibromofluorescein,solvent red 72,eosinic acid,japan orange 201,d&c orange no. 5,c.i. solvent red 72,4',5'-dibromofluororescein,4,5-dibromofluorescein,d & c orange no. 5,japan orange no. 201 PubChem CID: 11689 IUPAC Name: 4',5'-dibromo-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=C(C(=C(C=C4)O)Br)OC5=C3C=CC(=C5Br)O
2',4',5',7'-Tetrabromo-3,4,5,6-tetrachlorofluorescein 85.0+%, TCI America™
CAS: 13473-26-2 Molecular Formula: C20H4Br4Cl4O5 Molecular Weight (g/mol): 785.663 MDL Number: MFCD00067282 InChI Key: ZYIBVBKZZZDFOY-UHFFFAOYSA-N PubChem CID: 83511 IUPAC Name: 2',4',5',7'-tetrabromo-4,5,6,7-tetrachloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=C2C(=C(C(=C1Br)O)Br)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)Br)O)Br
6-Nitrofluorescein (isomer II) 98.0+%, TCI America™
CAS: 27402-68-2 Molecular Formula: C20H11NO7 Molecular Weight (g/mol): 377.308 MDL Number: MFCD00059694 InChI Key: GYWGQAIDMYGOLU-UHFFFAOYSA-N PubChem CID: 117391 IUPAC Name: 3',6'-dihydroxy-5-nitrospiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC2=C(C=C1[N+](=O)[O-])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-1,2-Cyclohexanedicarboxylic Anhydride 99.0+%, TCI America™
CAS: 13149-00-3 Molecular Formula: C8H10O3 Molecular Weight (g/mol): 154.165 MDL Number: MFCD00005926 InChI Key: MUTGBJKUEZFXGO-OLQVQODUSA-N Synonym: cis-hexahydroisobenzofuran-1,3-dione,cis-1,2-cyclohexanedicarboxylic anhydride,cis-hexahydrophthalic anhydride,unii-b52z7tnv87,cis-cyclohexane-1,2-dicarboxylic anhydride,hexahydrophthalic anhydride, cis,3ar,7as-hexahydro-2-benzofuran-1,3-dione,1,3-isobenzofurandione, hexahydro-, 3ar,7as-rel,3ar,7as-hexahydroisobenzofuran-1,3-dione,1,3-isobenzofurandione, hexahydro-, cis PubChem CID: 641660 IUPAC Name: (3aS,7aR)-3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione SMILES: C1CCC2C(C1)C(=O)OC2=O
(-)-trans-1,2-Cyclohexanedicarboxylic Anhydride 98.0+%, TCI America™
CAS: 31982-85-1 Molecular Formula: C8H10O3 Molecular Weight (g/mol): 154.165 MDL Number: MFCD00674195 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
5-Aminofluorescein (isomer I) 95.0+%, TCI America™
CAS: 3326-34-9 Molecular Formula: C20H13NO5 Molecular Weight (g/mol): 347.33 MDL Number: MFCD00005052 InChI Key: GZAJOEGTZDUSKS-UHFFFAOYSA-N Synonym: 5-aminofluorescein,fluoresceinamine,4-aminofluorescein,fluoresceinamine isomer i,fluoresceinamine, isomer i,1-aminofluorescein,spiro isobenzofuran-1 3h ,9'-9h xanthen-3-one, 5-amino-3',6'-dihydroxy,5 6-aminofluorescein mixture of isomers,5-amino-3',6'-dihydroxyspiro 2-benzofuran-1,9'-xanthene-3-one,5-amino-3',6'-dihydroxy-3h-spiro 2-benzofuran-1,9'-xanthene-3-one PubChem CID: 76845 IUPAC Name: 5-amino-3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one SMILES: NC1=CC=C2C(=C1)C(=O)OC21C2=CC=C(O)C=C2OC2=CC(O)=CC=C12
Gallein 85.0+%, TCI America™
CAS: 2103-64-2 Molecular Formula: C20H12O7 Molecular Weight (g/mol): 364.309 MDL Number: MFCD00041839 InChI Key: PHLYOKFVXIVOJC-UHFFFAOYSA-N Synonym: gallein,alizarin violet,pyrogallolphthalein,c.i. mordant violet 25,4,5-dihydroxyfluorescein,mordant violet 25,3',4',5',6'-tetrahydroxy-3h-spiro isobenzofuran-1,9'-xanthen-3-one,alizarine violet,unii-8l0084u2qr,fluorescein, 4',5'-dihydroxy PubChem CID: 73685 IUPAC Name: 3',4',5',6'-tetrahydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=C(C(=C(C=C4)O)O)OC5=C3C=CC(=C5O)O
3-Methyl-4-cyclohexene-1,2-dicarboxylic Anhydride 95.0+%, TCI America™
CAS: 5333-84-6 Molecular Formula: C9H10O3 Molecular Weight (g/mol): 166.18 MDL Number: MFCD00014585 InChI Key: XPEKVUUBSDFMDR-UHFFFAOYNA-N Synonym: 3-Methyl-DELTA4-tetrahydrophthalic Anhydride PubChem CID: 95332 IUPAC Name: 4-methyl-1,3,3a,4,7,7a-hexahydro-2-benzofuran-1,3-dione SMILES: CC1C=CCC2C1C(=O)OC2=O
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.
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.