Phenestrol

Phenestrol, or fenestrol, also known as hexestrol bis[4-[bis(2-chloroethyl)amino]phenylacetate, is a synthetic, nonsteroidal estrogen and cytostatic antineoplastic agent (i.e., chemotherapy drug) and a chlorphenacyl nitrogen mustard ester of hexestrol which was developed in the early 1960s for the treatment of hormone-dependent tumors but was never marketed.

Phenestrol
Clinical data
Other namesFenestrol; NSC-183736; hexestrol bis[4-[bis(2-chloroethyl)amino]phenylacetate
Identifiers
  • [4-[4-[4-[2-[4-[Bis(2-chloroethyl)amino]phenyl]acetyl]oxyphenyl]hexan-3-yl]phenyl] 2-[4-[bis(2-chloroethyl)amino]phenyl]acetate
CAS Number
PubChem CID
ChemSpider
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC42H48Cl4N2O4
Molar mass786.66 g·mol−1
3D model (JSmol)
  • CCC(C1=CC=C(C=C1)OC(=O)CC2=CC=C(C=C2)N(CCCl)CCCl)C(CC)C3=CC=C(C=C3)OC(=O)CC4=CC=C(C=C4)N(CCCl)CCCl
  • InChI=1S/C42H48Cl4N2O4/c1-3-39(33-9-17-37(18-10-33)51-41(49)29-31-5-13-35(14-6-31)47(25-21-43)26-22-44)40(4-2)34-11-19-38(20-12-34)52-42(50)30-32-7-15-36(16-8-32)48(27-23-45)28-24-46/h5-20,39-40H,3-4,21-30H2,1-2H3
  • Key:GTWGWCYJKHSRHO-UHFFFAOYSA-N
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