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Category: Nuclear ReceptorsarrowEstrogen and Related Receptors
Cat.No. Product Name
2676 Y 134
Price and Availability

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Y 134
Chemical Name: [6-Hydroxy-2-(4-hydroxyphenyl)benzo[b]thien-3-yl]-[4-[4 -(1-methylethyl)-1-piperazinyl]phenyl]methanone

Biological Activity:

Selective estrogen receptor modulator (SERM) that displays selectivity for ERα over ERβ (Ki values are 0.09 and 11.31 nM respectively) and no cross-reactivity with mineralocorticoid, glucocorticoid, androgen and progesterone receptors. Acts as an agonist in the bone and antagonist in reproductive tissue. Suppresses estrogen-stimulated proliferation of ER-positive human breast cancer MCF-7 and T47D cells.

Technical Data:

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M.Wt: 472.6
Formula: C28H28N2O3S
Storage: Desiccate at RT
Solubility: Soluble to 100 mM in DMSO and to 100 mM in Ethanol
Purity: >98%
CAS No: [849662-80-2]

Resources:

  • Certificate of Analysis / MSDS:

    Certificate of Analysis: View current batch
    Product/Material Safety Data Sheet: View current batch

    References:

    Yang et al (2005) Benzothiophenes containing a piperazine side chain as selective ligands for the estrogen receptor α and their bioactivities in vivo. Bioorg.Med.Chem.Lett. 15 1505. Ning et al (2007) Biological activities of a novel selective oestrogen receptor modulator derived from raloxifene (Y134). Br.J.Pharmacol. 150 19.
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    Keywords: Y 134, Estrogen & Related Receptors, Selective Estrogen Receptor Modulator (SERM), Selective For ERa, Y134, Tocris Bioscience

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    Product Feature
    Estrogen Receptors
    Key estrogen receptors available from Tocris include:
    2662   PHTPP
    Selective ERβ antagonist
    2676   Y 134
    Selective estrogen receptor modulator
    2183   ZK 164015
    Potent estrogen receptor silent antagonist
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