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CAS RN: 190791-29-8 | Product Number: L0336

Lasofoxifene Tartrate

Purity: >98.0%(HPLC)
  • (5R,6S)-5,6,7,8-Tetrahydro-6-phenyl-5-[4-[2-(1-pyrrolidinyl)ethoxy]phenyl]-2-naphthalenol Tartrate
  • Oporia
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Product Number L0336
Purity / Analysis Method >98.0%(HPLC)
Molecular Formula / Molecular Weight C__2__8H__3__1NO__2·C__4H__6O__6 = 563.65  
Physical State (20 deg.C) Solid
Storage Temperature 0-10°C
Store Under Inert Gas Store under inert gas
Condition to Avoid Air Sensitive,Hygroscopic,Heat Sensitive
CAS RN 190791-29-8
Reaxys Registry Number 14771789
MDL Number


Appearance White to Almost white powder to crystal
Purity(HPLC) min. 98.0 area%
Properties (reference)
Melting Point 185 °C(dec.)
Related Laws:
RTECS# QK4252964
Transport Information:
Lasofoxifene tartrate: A Third-Generation, Non-Steroidal Selective Estrogen Receptor Modulator (SERM)

Lasofoxifene tartrate (CP-336156) is a third-generation, non-steroidal selective estrogen receptor modulator (SERM). SERMs have the ability to provide mixed functional estrogen receptor (ER) agonist or antagonist activity, depending on the target tissue. Lasofoxifene has a remarkably improved oral bioavailability with respect to other SERMs, selectively binds to both ERα and ERβ with high affinity, and acts as a tissue selective estrogen antagonist or agonist.1-3) It has been reported that lasofoxifene prevents estrogen deficiency-induced bone loss, inhibits breast tumor formation and reduces serum cholesterol. In clinical, lasofoxifene tartrate has been used for the treatment of osteoporosis4) and breast cancer.5,6) (The product is for research purpose only.)


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