Chemical Name: 3-Hexadecanoyl-5-hydroxymethyltetronic acid
Tyrosine phopshatase inhibitor
Molecular Weight:
368.52
Purity:
98% by TLC, NMR (Conforms)
Form:
Off-white or Yellow solid
CAS Number:
[154639-24-4]
Formula:
C21H36O5
Application Notes:
RK-682 is a protein tyrosine phosphatase inhibitor (IC50s = 54 µM for CD45, 2.0 µM for VHR, did not inhibit cdc25B) originally isolated from the fermentation of Streptomyces sp. 88-682.1 Inhibits cell cycle at G1/S. RK-682 has also been shown to inhibit PLA2 (IC50 = 16 µM)2, HIV-1 protease (IC50 = 84 µM)3, and heparanase (IC50 = 17 µM)4. Natural RK-682 (R-isomer) and synthetic racemic material have identical phosphatase activity.5 Care should be taken when using RK-682 in the presence of metal salts - RK-682 readily forms metal complexes that affects its phosphatase inhibitory activity.6 RK-682 has been identified as a potential promiscuous inhibitor.7
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