654164

Tubulin Polymerization Inhibitor II

The Tubulin Polymerization Inhibitor II, also referenced under CAS 1151995-69-5, acts as an effective anti-microtubule agent. This small molecule/inhibitor is primarily used for Cell Structure applications.

• Synonym(s): Tubulin Polymerization Inhibitor II, (E)-1,3-Dihydro-6-methoxy-3-(3,4,5-trimethoxybenzylidene)-1H-indol-2-one
• Empirical Formula (Hill Notation): C₁₉H₁₉NO₅
• CAS Number: 1151995-69-5
• Molecular Weight: 341.36
• MDL number: MFCD28138101
• UNSPSC Code: 12352202
• NACRES: NA.77

Properties

• Quality Level: 100
• assay: ≥97% (HPLC)
• form: solid
• manufacturer/tradename: Calbiochem^®
• storage condition: OK to freeze; protect from light
• color: yellow
• solubility: DMSO: 10 mg/mL
• shipped in: ambient
• storage temp.: 2-8°C
• SMILES string: N1c2c(ccc(c2)OC)C(=Cc3cc(c(c(c3)OC)OC)OC)C1=O

Description

General description

A cell-permeable, SU5416- (Cat. Nos. 676487 and 676498) derived combretastatin A-4 (Cat. No. 234200) analog that acts as an effective anti-microtubule agent (IC₅₀ = 4.5 µM in inhibiting polymerization of purified porcine brain tubulin) and displays extremely potent anti-proliferative activity towards various cancer cell lines (GI₅₀<10 nM for 46 lines among a 53 NCI panel tested).

Biochem/physiol Actions

Cell permeable: yes

Primary Target
Purified porcine brain tubulin

Product does not compete with ATP.

Reversible: no

Target IC₅₀: 4.5 µM in inhibiting polymerization of purified porcine brain tubulin

Packaging

Packaged under inert gas

Warning

Toxicity: Harmful (C)

Reconstitution

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.

Other Notes

Pandit, B., et al. 2006. Bioorg. Med. Chem.14, 6492.
Li, P.K., et al. 2005. Bioorg. Med. Chem. Lett.15, 5382.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable