Catalog #: 27028
Size: 10 mg
MW: 384.2 Da
CAS Registry #: 179324-69-7
Formula: C19H25BN4O4
Potent (Ki, 0.6 nM), specific and reversible proteasome inhibitor; no significant inhibitory activity against other enzymes or receptors. Bortezomib inhibits cell proliferation of H460 cells (human non-small cell lung cancer cell lines) with an IC50 of 0.1 µM and has been associated with suppresion of prostate cancer cell lines with an IC90 of 10 nM.
Velcade, MG-341, PS-341


Soluble in DMSO at 200 mg/ml; soluble in ethanol at 200 mg/ml; very poorly soluble in water; maximum solubility in plain water is estimated to be about 5-10 µM; buffers, serum, or other additives may increase or decrease the aqueous solubility.
White to off-white solid.
Storage / Stability:
Store at or below –20°C. Solid form is stable at least 12 months from date of receipt, when stored as directed. Do not store aqueous solutions for more than one day.
1. Bouchard, PR., et al. 55th Annual Meeting of the American College of Veterinary Pathologists (ACVP) & 39th Annual Meeting of the American Society of Clinical Pathology (ASVCP), ACVP and ASVCP (Eds.) (2004).
2. Ling, Y., et al. Clin. Cancer Res. 9: 1145-1154 (2003).
3. Williams, S., et al. Mol. Cancer Ther. 2: 835-843 (2003).
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