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SML2497

Sigma-Aldrich

BIO 1211 trifluoroacetate salt

≥97% (HPLC)

Synonym(s):

2-MPUPA-LDVP trifluoroacetate, 4-(N′-(2-Methylphenyl)urea)-phenylacetyl-LDVP trifluoroacetate, BIO-1211 trifluoroacetate, BIO1211 trifluoroacetate, N-[2-[4-[[[(2-Methylphenyl)amino]carbonyl]amino]phenyl]acetyl]-L-leucyl-L-α-aspartyl-L-valyl-L-proline trifluoroacetate, N-[[4-[[[(2-Methylphenyl)amino]carbonyl]amino]-phenyl]acetyl]-LDVP trifluoroacetate, N-[[4-[[[(2-Methylphenyl)amino]carbonyl]amino]-phenyl]acetyl]-Leu-Asp-Val-Pro trifluoroacetate, N-[[4-[[[(2-Methylphenyl)amino]carbonyl]amino]-phenyl]acetyl]-fibronectin CS-1 fragment (1980-1983) trifluoroacetate

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About This Item

Empirical Formula (Hill Notation):
C36H48N6O9 · xC2HF3O2
CAS Number:
187735-94-0
Molecular Weight:
708.80 (free base basis)
MDL number:
MFCD02259692
UNSPSC Code:
12352200
NACRES:
NA.77

Assay

≥97% (HPLC)

form

film
lyophilized powder

storage condition

desiccated

color

white to beige

shipped in

wet ice

storage temp.

−20°C

InChI

1S/C36H48N6O9/c1-20(2)17-26(38-29(43)18-23-12-14-24(15-13-23)37-36(51)40-25-10-7-6-9-22(25)5)32(46)39-27(19-30(44)45)33(47)41-31(21(3)4)34(48)42-16-8-11-28(42)35(49)50/h6-7,9-10,12-15,20-21,26-28,31H,8,11,16-19H2,1-5H3,(H,38,43)(H,39,46)(H,41,47)(H,44,45)(H,49,50)(H2,37,40,51)/t26-,27-,28-,31-/m0/s1

InChI key

NVVGCQABIHSJSQ-KFZSMJGVSA-N

Biochem/physiol Actions

BIO 1211 is a selective, tight-binding α4β1 (VLA-4, very late antigen-4; koff = 1.4 x 10-4/s, KD = 70 pM) integrin antagonist (VCAM-Ig Jurkat surface binding IC50 = 1 nM; integrin-mediated cell adhesion IC50 = 4 nM/α4β1, 2 μM/α4β7, >100 μM/α1β1, α5β1, α6β1, αLβ2, αIIBβ3) based on the Leu-Asp-Val (LDV) sequence from the alternatively spliced connecting segment-1 (CS-1) of fibronectin (aa 1980-1983). In addition to probing α4β1-mediated cellular responses, BIO 1211 is also widely used in animal disease models in vivo, including MS (5-10 mg/kg; murine EAE) and asthma (1-10 mg/kg via intranasal or nebulizer to mice, rats, sheep; 3 mg/sheep iv.).

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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K c Lin et al.
Journal of medicinal chemistry, 42(5), 920-934 (1999-03-12)
Integrin alpha4beta1 mediates leukocyte recruitment, activation, mediator release, and apoptosis inhibition, and it plays a central role in inflammatory pathophysiology. High-affinity, selective inhibitors of alpha4beta1, based on the Leu-Asp-Val (LDV) sequence from the alternatively spliced connecting segment-1 (CS-1) peptide of
Wei-Sheng Chen et al.
Nature communications, 7, 11302-11302 (2016-04-14)
Lymphangiogenesis plays a pivotal role in diverse pathological conditions. Here, we demonstrate that a carbohydrate-binding protein, galectin-8, promotes pathological lymphangiogenesis. Galectin-8 is markedly upregulated in inflamed human and mouse corneas, and galectin-8 inhibitors reduce inflammatory lymphangiogenesis. In the mouse model
Nourollah Ramroodi et al.
Immunological investigations, 44(7), 694-712 (2015-10-06)
Some functional limitations and economic burden of therapeutic antibodies indicated that introducing of alternative therapeutic compounds with same or different mechanism of action could be worthwhile. In this regard small-molecule antagonists can have a wide range of impacts, so in
Gloria C Koo et al.
American journal of respiratory and critical care medicine, 167(10), 1400-1409 (2003-02-06)
A nonpeptidyl small molecule antagonist, compound A, to nonactivated very late antigen-4 (VLA4) was examined in lung inflammation induced by a single dose of ovalbumin challenge. Compound A presented a good pharmacokinetic property, when given intratracheally, and the blood cells
Olli-Pekka Pulkka et al.
Journal of cellular and molecular medicine, 22(4), 2220-2230 (2018-01-30)
The molecular mechanisms for the dissemination and metastasis of gastrointestinal stromal tumours (GIST) are incompletely understood. The purpose of the study was to investigate the clinical relevance of integrin alpha 4 (ITGA4) expression in GIST. GIST transcriptomes were first compared
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