FF2039 (compound 1j) is a specific HDAC1, HDAC6, and HDAC isoforms of class I, IIa and IIb PROTAC degrader. FF2039 demonstrates s significant antiproliferative activity against both hematological and solid cancer cell lines, driven by cell cycle arrest and Apoptosis induction. FF2039 inhibits HDAC isoform of HDAC1, HDAC2, HDAC4 and HDAC6 with IC50s of 1.03, 2.15, 12.4 and 0.053 μM, respectively. FF2039 shows antiproliferative activity against different tumor entities of MM.1S, MDA-MB-231 and U-87MG with EC50s of 2.8, 28 and 30 μM, respectively.

Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months.
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.