| Cas No.: | 2052128-15-9 |
| Chemical Name: | H3B-5942 free base |
| Synonyms: | H3B5942 |
| SMILES: | C(N(C)C)(=O)/C=C/CNCCOC1=CC=C(/C(/C2C=CC3=C(C=2)C=NN3)=C(\C2=CC=CC=C2)/CC)C=C1 |
| Formula: | C31H34N4O2 |
| M.Wt: | 494.639 |
| Purity: | >98% |
| Sotrage: | 2 years -20°C Powder, 2 weeks 4°C in DMSO, 6 months -80°C in DMSO |
| Description: | H3B-5942 is an orally available, selective estrogen receptor covalent antagonist (SERCA), demonstrates potent ERαantagonist activity in vitro and in vivo; covalently inactivates both wild-type and mutant ERα by targeting Cys530 and enforcing a unique antagonist conformation; demonstrated significant single-agent antitumor activity in xenograft models representing ERαWT and ERα Y537S breast cancer that was superior to fulvestrant. |

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