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

MedKoo CAT#: 406837

CAS#: 344897-95-6

Description: Leukadherin-1, also known as LA1, is a CD11b/CD18 agonist. Leukadherin-1 suppresses human innate inflammatory signalling. leukadherin-1 increases CD11b/CD18-dependent adhesion via membrane tethers. Leukadherin-1 enhances leukocyte adhesion to ligands and vascular endothelium and thus reduces leukocyte transendothelial migration and influx to the injury sites.

Price and Availability

Size Price Shipping out time Quantity
50mg USD 250 2 Weeks
100mg USD 450 2 Weeks
200mg USD 750 2 Weeks
500mg USD 1650 2 Weeks
1g USD 2850 2 Weeks
2g USD 5250 2 Weeks
5g USD 8450 2 Weeks
Inquire bulk and customized quantity

Pricing updated 2021-01-26. Prices are subject to change without notice.

Leukadherin-1, purity > 98%, is in stock. Current shipping out time is about 2 weeks after order is received. CoA, QC data and MSDS documents are available in one week after order is received.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 406837
Name: Leukadherin-1
CAS#: 344897-95-6
Chemical Formula: C22H15NO4S2
Exact Mass: 421.0442
Molecular Weight: 421.485
Elemental Analysis: C, 62.69; H, 3.59; N, 3.32; O, 15.18; S, 15.21

Synonym: Leukadherin-1; Leukadherin 1; Leukadherin1; LA1.

IUPAC/Chemical Name: 4-[5-[[4-Oxo-3-(phenylmethyl)-2-thioxo-5-thiazolidinylidene]methyl]-2-furanyl]-benzoic acid


InChi Code: InChI=1S/C22H15NO4S2/c24-20-19(29-22(28)23(20)13-14-4-2-1-3-5-14)12-17-10-11-18(27-17)15-6-8-16(9-7-15)21(25)26/h1-12H,13H2,(H,25,26)/b19-12-

SMILES Code: O=C(O)C1=CC=C(C2=CC=C(/C=C(SC(N3CC4=CC=CC=C4)=S)/C3=O)O2)C=C1

Technical Data

Solid powder

>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).

Soluble in DMSO

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:


1: Roberts AL, Fürnrohr BG, Vyse TJ, Rhodes B. The complement receptor 3 (CD11b/CD18) agonist Leukadherin-1 suppresses human innate inflammatory signalling. Clin Exp Immunol. 2016 Sep;185(3):361-71. doi: 10.1111/cei.12803. Epub 2016 Jul 26. PubMed PMID: 27118513; PubMed Central PMCID: PMC4991522.

2: Joshi N, Kopec AK, Ray JL, Cline-Fedewa H, Nawabi A, Schmitt T, Nault R, Zacharewski TR, Rockwell CE, Flick MJ, Luyendyk JP. Fibrin deposition following bile duct injury limits fibrosis through an αMβ2-dependent mechanism. Blood. 2016 Jun 2;127(22):2751-62. doi: 10.1182/blood-2015-09-670703. Epub 2016 Feb 26. PubMed PMID: 26921287; PubMed Central PMCID: PMC4891955.

3: Jagarapu J, Kelchtermans J, Rong M, Chen S, Hehre D, Hummler S, Faridi MH, Gupta V, Wu S. Efficacy of Leukadherin-1 in the Prevention of Hyperoxia-Induced Lung Injury in Neonatal Rats. Am J Respir Cell Mol Biol. 2015 Dec;53(6):793-801. doi: 10.1165/rcmb.2014-0422OC. PubMed PMID: 25909334; PubMed Central PMCID: PMC4742935.

4: Khan SQ, Guo L, Cimbaluk DJ, Elshabrawy H, Faridi MH, Jolly M, George JF, Agarwal A, Gupta V. A Small Molecule β2 Integrin Agonist Improves Chronic Kidney Allograft Survival by Reducing Leukocyte Recruitment and Accompanying Vasculopathy. Front Med (Lausanne). 2014 Nov 12;1:45. doi: 10.3389/fmed.2014.00045. eCollection 2014. PubMed PMID: 25593918; PubMed Central PMCID: PMC4291902.

5: Celik E, Faridi MH, Kumar V, Deep S, Moy VT, Gupta V. Agonist leukadherin-1 increases CD11b/CD18-dependent adhesion via membrane tethers. Biophys J. 2013 Dec 3;105(11):2517-27. doi: 10.1016/j.bpj.2013.10.020. PubMed PMID: 24314082; PubMed Central PMCID: PMC3853324.