Catalog No. Size PriceQuantity
M7563-2 2mg solid $405
M7563-10 10mg solid $1,620


SNIPER(ER)-87 is a potent and selective estrogen receptor α (ERα) Degrader (Specific and Nongenetic IAP-dependent Protein Erasers or SNIPER) (DC50 = 3 nM). SNIPER(ER)-87 comprises the IAP binding ligand LCL 161 (Cat.No. 7178) joined by a linker to the estrogen-binding moiety 4-hydroxytamoxifen (Cat. No. 3412). The product decreases ERα levels in breast cancer cells in vitro and in mouse ovaries in vivo. SNIPER(ER)-87 also reduces ERα levels and inhibits tumor proliferation in breast cancer xenograft mouse models.

Product information

CAS Number: 2222354-91-6

Molecular Weight: 1044.30

Formula: C59H73N5O10S




Chemical Name: (S)-N-((S)-1-cyclohexyl-2-((S)-2-(4-(3-((1-(4-((E)-1-(4-hydroxyphenyl)-2-phenylbut-1-en-1-yl)phenoxy)-3-methyl-4-oxo-6,9,12-trioxa-3-azatetradecan-14-yl)oxy)benzoyl)thiazol-2-yl)pyrrolidin-1-yl)-2-oxoethyl)-2-(methylamino)propanamide

Smiles: CN(CCOC1C=CC(=CC=1)/C(=C(\CC)/C1C=CC=CC=1)/C1C=CC(O)=CC=1)C(=O)COCCOCCOCCOC1=CC(=CC=C1)C(=O)C1=CSC(=N1)[C@@H]1CCCN1C(=O)[C@@H](NC(=O)[C@H](C)NC)C1CCCCC1


InChi: InChI=1S/C59H73N5O10S/c1-5-50(42-14-8-6-9-15-42)54(43-21-25-47(65)26-22-43)44-23-27-48(28-24-44)73-31-30-63(4)53(66)39-72-35-34-70-32-33-71-36-37-74-49-19-12-18-46(38-49)56(67)51-40-75-58(61-51)52-20-13-29-64(52)59(69)55(45-16-10-7-11-17-45)62-57(68)41(2)60-3/h6,8-9,12,14-15,18-19,21-28,38,40-41,45,52,55,60,65H,5,7,10-11,13,16-17,20,29-37,39H2,1-4H3,(H,62,68)/b54-50+/t41-,52-,55-/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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