Catalog No. Size PriceQuantity
M11428-2 2mg solid $125
M11428-10 10mg solid $375


ERD-308 is a Highly Potent Proteolysis Targeting Chimera (PROTAC) Degrader of Estrogen Receptor (ER) ERD-308 achieves DC50 (concentration causing 50% of protein degradation) values of 0.17 and 0.43 nM in MCF-7 and T47D ER+ breast cancer cell lines, respectively, and induces >95% of ER degradation at concentrations as low as 5 nM in both cell lines. Significantly, ERD-308 induces more complete ER degradation than fulvestrant, the only approved selective ER degrader (SERD), and is more effective in inhibition of cell proliferation than fulvestrant in MCF-7 cells.

Product information

CAS Number: 2320561-35-9

Molecular Weight: 1004.26

Formula: C55H65N5O9S2

Chemical Name: (2S, 4R)-1-((S)-2-(2-((5- (Ethyl(2-(4-(6-hydroxy-2-(4-hydroxyphenyl)benzo[b]thiophene-3-carbonyl)phenoxy)ethyl)-amino)pentyl)oxy)acetamido)-3, 3-dimethylbutanoyl)-4-hydroxy-N-((S)-1-(4-(4-methylthiazol-5-yl)phenyl)ethyl)pyrrolidine-2-carboxamide

Smiles: CC1N=CSC=1C1C=CC(=CC=1)[C@H](C)NC(=O)[C@@H]1C[C@@H](O)CN1C(=O)[C@@H](NC(=O)COCCCCCN(CCOC1C=CC(=CC=1)C(=O)C1=C(SC2=CC(O)=CC=C21)C1C=CC(O)=CC=1)CC)C(C)(C)C


InChi: InChI=1S/C55H65N5O9S2/c1-7-59(26-28-69-43-22-17-37(18-23-43)49(65)48-44-24-21-41(62)30-46(44)71-51(48)39-15-19-40(61)20-16-39)25-9-8-10-27-68-32-47(64)58-52(55(4,5)6)54(67)60-31-42(63)29-45(60)53(66)57-34(2)36-11-13-38(14-12-36)50-35(3)56-33-70-50/h11-24,30,33-34,42,45,52,61-63H,7-10,25-29,31-32H2,1-6H3,(H,57,66)(H,58,64)/t34-,42+,45-,52+/m0/s1

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: Soluble in DMSO.

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

Products are for research use only. Not for human use.

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