An activator of the anticipatory unfolded protein response
Related Products
Technical Support & Resources

Information provided in the product description is from published literature. Due to the nature of scientific experimentation, your results (e.g., selectivity and effective concentrations) or specific application for this product may differ. If you have questions about how this product fits your application, please contact our technical support staff.

Visit our FAQ

Contact Us

Toll Free Phone (USA and Canada Only): (888) 526-5351
Direct Phone: (734) 975-3888

Request Technical Support

Technical Support Request

To streamline the process attach the appropriate questionnaire to your inquiry.

Download IHC QuestionnaireDownload WB Questionnaire

View Our Privacy Statement for details on how we use and protect your data. In addition, this site is protected by hCaptcha and its Privacy Policy and Terms of Service apply.

(±)-ErSO

Item No. 39676

Technical Information
Formal Name
N-[[[(1S)-3-carboxy-1-[(1,1-dimethylethoxy)carbonyl]propyl]amino]carbonyl]-L-glutamic acid, 1,5-bis(1,1-dimethylethyl) ester
CAS Number
2407860-40-4
Molecular Formula
C22H13F6NO3
Formula Weight
Purity
≥95%
A solid
Acetonitrile: SolubleDMF: SolubleDMSO: Slightly solubleEthanol: Slightly soluble
SMILES
O=C1NC2=C(C1(C3=CC=C(C=C3)OC(F)(F)F)C4=CC=C(O)C=C4)C=CC=C2C(F)(F)F
InChi Code
InChI=1S/C22H13F6NO3/c23-21(24,25)17-3-1-2-16-18(17)29-19(31)20(16,12-4-8-14(30)9-5-12)13-6-10-15(11-7-13)32-22(26,27)28/h1-11,30H,(H,29,31)
InChi Key
ZFSRXAHDJSCEDS-UHFFFAOYSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Wet ice in continental US; may vary elsewhere
Recommended Products

Certificates of Analysis & Batch Specific Data

Provide batch numbers separated by commas to download or request available product inserts, QC sheets, certificates of analysis, data packs, and GC-MS data.

    Add

    Add

    Add

    Cayman Chemical
    Visit Our Cancer Resource Center
    Find Tools & Resources to Study the Hallmarks of Cancer
    • Cancer cell signaling & regulation
    • Cancer metabolism
    • Tumor microenvironment
    EXPLORE NOW
    Product Description

    (±)-ErSO is an activator of the anticipatory unfolded protein response (a-UPR) and a racemic mixture of the a-UPR activator (R)-ErSO (Item No. 35684) and its inactive enantiomer (S)-ErSO.1 (±)-ErSO is cytotoxic to MCF-7 cells (IC50 = 42.6 nM), as well as T47D cells when used at concentrations of 0.5 and 1 µM.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Boudreau, M.W., Duraki, D., Wang, L., et alA small-molecule activator of the unfolded protein response eradicates human breast tumors in mice. Sci. Transl. Med. 13(603), eabf1383 (2021).