o-Cresolphthalein - AR, in alkali , CAS No.596-27-0

CAS: 596-27-0 Cat. No.: C100296 Molecular Weight: 346.38 Beilstein Registry Number: 310554 EC Number: 209-881-8

GRADE & PURITY AR, in alkali

Synonyms

1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-3-methylphenyl)- | InChI=1/C22H18O4/c1-13-11-15(7-9-19(13)23)22(16-8-10-20(24)14(2)12-16)18-6-4-3-5-17(18)21(25)26-22/h3-12,23-24H,1-2H | MFCD00005912 | CRESOLPHTHALEIN, O- | SMR000132537 | o-Cresolphthalein (0.04

Storage

Desiccated,Room temperature

Shipped In

Normal

Specifications

Synonyms

1(3H)-Isobenzofuranone, 3, 3-bis(4-hydroxy-3-methylphenyl)- | InChI=1/C22H18O4/c1-13-11-15(7-9-19(13)23)22(16-8-10-20(24)14(2)12-16)18-6-4-3-5-17(18)21(25)26-22/h3-12, 23-24H, 1-2H | MFCD00005912 | CRESOLPHTHALEIN, O- | SMR000132537 | o-Cresolphthalein (0.04

Specifications & Purity

AR, in alkali

Storage

Desiccated, Room temperature

Shipped In

Normal

Grade

AR

Names and Identifiers

• Pubchem Sid: 488184190
• Pubchem Sid Url: https://pubchem.ncbi.nlm.nih.gov/substance/488184190
• Canonical Smiles: CC1=C(C=CC(=C1)C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C=C4)O)C)O
• IUPAC Name: 3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one
• InChIKey: CPBJMKMKNCRKQB-UHFFFAOYSA-N
• INCHI: 1S/C22H18O4/c1-13-11-15(7-9-19(13)23)22(16-8-10-20(24)14(2)12-16)18-6-4-3-5-17(18)21(25)26-22/h3-12,23-24H,1-2H3
• Isomeric SMILES: CC1=C(C=CC(=C1)C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C=C4)O)C)O
• WGK Germany: 3
• Molecular Weight: 346.38
• Beilstein: 310554
• Reaxy-Rn: 310554
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=310554&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Organoheterocyclic compounds
    • Class Benzofurans
      • Subclass Benzofuranones

• Kingdom: Organic compounds
• Superclass: Organoheterocyclic compounds
• Class: Benzofurans
• Subclass: Benzofuranones
• Intermediate Tree Nodes: Not available
• Direct Parent: Benzofuranones
• Alternative Parents: Phthalides Ortho cresols Toluenes 1-hydroxy-2-unsubstituted benzenoids Lactones Carboxylic acid esters Oxacyclic compounds Monocarboxylic acids and derivatives Organooxygen compounds Organic oxides Hydrocarbon derivatives
• Molecular Framework: Aromatic heteropolycyclic compounds
• Substituents: Benzofuranone - Phthalide - Isobenzofuranone - Isocoumaran - O-cresol - 1-hydroxy-2-unsubstituted benzenoid - Phenol - Toluene - Monocyclic benzene moiety - Benzenoid - Lactone - Carboxylic acid ester - Oxacycle - Monocarboxylic acid or derivatives - Carboxylic acid derivative - Hydrocarbon derivative - Organooxygen compound - Organic oxide - Organic oxygen compound - Aromatic heteropolycyclic compound
• Description: This compound belongs to the class of organic compounds known as benzofuranones. These are organic compounds containing a benzene ring fused to a furanone.
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Associated Targets(Human)

POLB Tchem DNA polymerase beta (23632 Activities)

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GLP1R Tclin Glucagon-like peptide 1 receptor (111429 Activities)

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POLI Tchem DNA polymerase iota (116820 Activities)

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POLH Tchem DNA polymerase eta (21678 Activities)

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KDM4A Tchem Lysine-specific demethylase 4A (52245 Activities)

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APEX1 Tchem DNA-(apurinic or apyrimidinic site) lyase (38016 Activities)

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EHMT2 Tchem Histone-lysine N-methyltransferase, H3 lysine-9 specific 3 (93046 Activities)

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TDP1 Tchem Tyrosyl-DNA phosphodiesterase 1 (345557 Activities)

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L3MBTL1 Tchem Lethal(3)malignant brain tumor-like protein 1 (14536 Activities)

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SMN1 Tchem Survival motor neuron protein (34246 Activities)

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LMNA Tbio Prelamin-A/C (36751 Activities)

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SMAD3 Tchem Mothers against decapentaplegic homolog 3 (68039 Activities)

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GMNN Tbio Geminin (128009 Activities)

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BAZ2B Tchem Bromodomain adjacent to zinc finger domain protein 2B (56204 Activities)

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IDH1 Tclin Isocitrate dehydrogenase [NADP] cytoplasmic (40980 Activities)

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RAPGEF4 Tchem Rap guanine nucleotide exchange factor 4 (11476 Activities)

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Associated Targets(non-human)

Plasmodium falciparum (966862 Activities)

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TGR Thioredoxin glutathione reductase (28579 Activities)

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Mapt Microtubule-associated protein tau (6 Activities)

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Mechanisms of Action

Chemical and Physical Properties

• Melt Point(°C): 223-225°C
• Molecular Weight: 346.400 g/mol
• XLogP3: 4.500
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 2
• Exact Mass: 346.121 Da
• Monoisotopic Mass: 346.121 Da
• Topological Polar Surface Area: 66.800 Ų
• Heavy Atom Count: 26
• Formal Charge: 0
• Complexity: 506.000
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 1

References

1. Fan Yang, Hongbo Yu, Chunzheng Wu, Shiwei Wang, Tong Li, Hongfeng Yin.  (2022)  RhCu Bimetallic Nanoparticles in Hollow Carbon Spheres for Catalytic Halonitrobenzene Chemoselective Hydrogenation.  ACS Applied Nano Materials,      [PMID:] [10.1021/acsanm.2c02358]

2. Yongmei Tang, Lan Li, Kai Ma, Guofei Chen, Wei Wang, Xingzhong Fang.  (2018)  Transparent and organosoluble cardo polyimides with different trans/cis ratios of 1,4-diaminocyclohexane via aromatic nucleophilic substitution polymerization.  POLYMER INTERNATIONAL,  67  (5): (598-605).  [PMID:] [10.1002/pi.5556]

3. Nafeesa Mushtaq, Lala Rukh Sidra, Guofei Chen, Yongmei Tang, Lubo Xu, Xingzhong Fang.  (2017)  Synthesis of cardo containing asymmetric poly(ether-naphthalimide-phthalimide)s.  POLYMER INTERNATIONAL,  66  (11): (1633-1639).  [PMID:] [10.1002/pi.5425]

4. Leiduan Hao, Yanfei Zhao, Bo Yu, Hongye Zhang, Huanjun Xu, Jilei Xu, Zhimin Liu.  (2014)  Polyurea-supported metal nanocatalysts: Synthesis, characterization and application in selective hydrogenation of o-chloronitrobenzene.  JOURNAL OF COLLOID AND INTERFACE SCIENCE,      [PMID:24767496] [10.1016/j.jcis.2014.03.015]

5. Xuexia Li, Thumawadee Wongwirat, Linqi Li, Yuan Xi, Junji Wei, Lei Zhu.  (2025)  Dipole Glass Polymer with High Dielectric Constant Based on Side Chain Functionalized Poly(ether ether ketone).  ACS Applied Polymer Materials,      [PMID:] [10.1021/acsapm.4c03621]