Synonyms: "pyralene 1476", "pyroclor 5", "pentachlorodiphenyl", "kanekrol 500", "diphenyl pentachloride", "apirolio 1476 C"

Source: 2,3,4,5,6-pentachlorobiphenyl is a member of the polychlorinated biphenyls (PCBs), a group of industrial chemicals used as dielectrics, coolants and lubricants in electrical equipment. PCBs contaminate water by leaching from landfills or other waste deposits.


IUPAC Name: 1,2,3,4,5-pentachloro-6-phenylbenzene
CAS Number: 18259-05-7
PubChem ID: 17348
Canonical SMILES: C1=CC=C(C=C1)C2=C(C(=C(C(=C2Cl)Cl)Cl)Cl)Cl

Structural Properties:

Molecular Formula: C12H5Cl5
Molecular Weight: 326,433

Pharmacophore Features:

Number of bond donors: 0
Number of bond acceptors: 0
Number of atoms different from hydrogen: 17


2D structure (.sdf)
3D structure (.sdf)
3D structure (.mol2)
3D structure (.pdb)
3D structure (.pdbqt)

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Toxicological Information

ACToR (Aggregated Computational Toxicology Resource)

Evidence Supporting This Chemical as an Endocrine Disruptor
TEDX List of Potential Endocrine Disruptors

Soto AM, Sonnenschein C, Chung KL, Fernandez MF, Olea N, Serrano FO. 1995. The E-SCREEN assay as a tool to identify estrogens: An update on estrogenic environmental pollutants. Environ Health Perspect 103 (Suppl. 7):113-122.

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