WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 406418

CAS#: 226929-39-1

Description: LB42708 is a potent, orally active and selective nonpeptidic farnesyltransferase inhibitor (FTase inhibitor). LB42708 inhibited VEGF-induced Ras activation and subsequently suppressed angiogenesis in vitro and in vivo by blocking the mitogen-activated protein kinase kinase/extracellular signal-regulated kinase/p38 mitogen-activated protein kinase (MAPK) and phosphatidylinositol 3-kinase (PI3K)/Akt/endothelial nitric-oxide synthase pathways in endothelial cells without altering FAK/Src activation.

Chemical Structure

CAS# 226929-39-1

Theoretical Analysis

MedKoo Cat#: 406418
Name: LB42708
CAS#: 226929-39-1
Chemical Formula: C30H27BrN4O2
Exact Mass: 554.13174
Molecular Weight: 555.46
Elemental Analysis: C, 64.87; H, 4.90; Br, 14.39; N, 10.09; O, 5.76

Price and Availability

Size Price Availability Quantity
5.0mg USD 250.0 2 Weeks
10.0mg USD 400.0 2 Weeks
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Synonym: LB42708; LB-42708; LB 42708.

IUPAC/Chemical Name: (1-((1-(4-bromobenzyl)-1H-imidazol-5-yl)methyl)-4-(naphthalen-1-yl)-1H-pyrrol-3-yl)(morpholino)methanone


InChi Code: InChI=1S/C30H27BrN4O2/c31-24-10-8-22(9-11-24)17-35-21-32-16-25(35)18-33-19-28(27-7-3-5-23-4-1-2-6-26(23)27)29(20-33)30(36)34-12-14-37-15-13-34/h1-11,16,19-21H,12-15,17-18H2


Appearance: white solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO, not in water

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 555.46 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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1: Moorthy NS, Sousa SF, Ramos MJ, Fernandes PA. Farnesyltransferase inhibitors: a comprehensive review based on quantitative structural analysis. Curr Med Chem. 2013;20(38):4888-923. PubMed PMID: 24059235.

2: Kim CK, Choi YK, Lee H, Ha KS, Won MH, Kwon YG, Kim YM. The farnesyltransferase inhibitor LB42708 suppresses vascular endothelial growth factor-induced angiogenesis by inhibiting ras-dependent mitogen-activated protein kinase and phosphatidylinositol 3-kinase/Akt signal pathways. Mol Pharmacol. 2010 Jul;78(1):142-50. doi: 10.1124/mol.110.063586. Epub 2010 Apr 20. PubMed PMID: 20406854.

3: Kim HS, Kim JW, Gang J, Wen J, Koh SS, Koh JS, Chung HH, Song SY. The farnesyltransferase inhibitor, LB42708, inhibits growth and induces apoptosis irreversibly in H-ras and K-ras-transformed rat intestinal epithelial cells. Toxicol Appl Pharmacol. 2006 Sep 15;215(3):317-29. Epub 2006 May 19. PubMed PMID: 16712893.

4: Na HJ, Lee SJ, Kang YC, Cho YL, Nam WD, Kim PK, Ha KS, Chung HT, Lee H, Kwon YG, Koh JS, Kim YM. Inhibition of farnesyltransferase prevents collagen-induced arthritis by down-regulation of inflammatory gene expression through suppression of p21(ras)-dependent NF-kappaB activation. J Immunol. 2004 Jul 15;173(2):1276-83. PubMed PMID: 15240720.

5: Kim KW, Chung HH, Chung CW, Kim IK, Miura M, Wang S, Zhu H, Moon KD, Rha GB, Park JH, Jo DG, Woo HN, Song YH, Kim BJ, Yuan J, Jung YK. Inactivation of farnesyltransferase and geranylgeranyltransferase I by caspase-3: cleavage of the common alpha subunit during apoptosis. Oncogene. 2001 Jan 18;20(3):358-66. PubMed PMID: 11313965.


5.0mg / USD 250.0

Additional Information