Formulation: A crystalline solid
Formal Name: 2-(3,5-dichlorophenyl)-6-benzoxazolecarboxylic acid
Purity: ≥98%
Formula Markup: C14H7Cl2NO3
Formula Weight: 308,1
Shelf life (days): 1460
CAS Number: 594839-88-0
Notes: Tafamidis is a kinetic stabilizer of transthyretin (TTR) that prevents amyloidogenesis by wild-type and mutant TTRs.{38438} It binds to TTR with negative cooperativity (Kd1 = 3 nM; Kd2 = 278 nM) to stabilize the TTR dimer-dimer interface and inhibit tetrameric dissociation. Tafamidis stabilizes wild-type and clinically significant V30M and V122I mutant TTR amyloidogenic homotetramers (EC50s = 2.7-3.2 μM) under fibril-promoting, denaturing, and physiological conditions in vitro. It stabilizes TTR heterotetramers containing wild-type and mutant subunits ex vivo in human plasma derived from patients carrying V30M or V1221 mutations when used at a concentration of 7.2 μM. Formulations containing tafamidis have been used for the treatment of familial amyloid polyneuropathy.{38439}
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