LY-171,883
LY-171,883 (CAS: 88107-10-2; C16H22N4O3) is a chemical compound with a molecular weight of 318.37 g/mol. It is primarily known for its role in the arachidonic acid cascade and cell signaling pathways. This bioactive small molecule is utilised in cell biology research, particularly within neuroscience, and functions as a leukotriene antagonist.
- IUPAC
- 5-[4-(4-Acetyl-3-hydroxy-2-propylphenoxy)butyl]-1H-tetrazole,Tomelukast
- Synonyms
- Tomelukast5-[4-(4-Acetyl-3-hydroxy-2-propylphenoxy)butyl]-1H-tetrazole

Leukotriene Receptor Antagonist Research
LY-171,883 acts as an antagonist for leukotriene receptors, making it a valuable tool for investigating the roles of leukotrienes in inflammatory and cellular processes. Its application is critical in understanding pathways related to asthma and other inflammatory conditions.
Neuroscience and Cell Signaling Studies
As a modulator of cell signaling, LY-171,883 is employed in neuroscience research to study neural pathways and the impact of specific molecular interactions. It aids in understanding the complex mechanisms of cell communication within the nervous system.
Bioactive Small Molecule for Biological Assays
This compound serves as a bioactive small molecule in various biological assays. Researchers utilise it to probe cellular functions and signalling cascades, contributing to fundamental biological discoveries.
| Molecular weight | 318.37 |
|---|---|
| Empirical formula | C16H22N4O3 |
| Assay | ≥98% (TLC) |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
| Safety statements (S) | 36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is LY-171,883 used for?
+
LY-171,883 is used in research for investigating the arachidonic acid cascade, cell signaling, neuroscience, and as a leukotriene receptor antagonist. It is a bioactive small molecule employed in cell biology studies.
What are the CAS number and formula for LY-171,883?
+
The CAS number for LY-171,883 is 88107-10-2, and its empirical formula is C16H22N4O3.
What grade and purity does Tech Serve Solutions supply for LY-171,883?
+
Tech Serve Solutions supplies LY-171,883 with an assay of ≥98% as determined by TLC. We do not represent this product as USP, BP, EP, or pharmaceutical grade.
How should LY-171,883 be handled and stored?
+
LY-171,883 is classified as harmful if swallowed (H302) and requires appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves. Handle in a well-ventilated area. Consult the Safety Data Sheet for detailed handling and storage instructions.
How is LY-171,883 packed and shipped?
+
LY-171,883 is carefully packed and exported by Tech Serve Solutions to meet international shipping standards for research chemicals.
How can I request a sample or quote for LY-171,883?
+
To request a sample or quote for LY-171,883, please use the contact form on our website or reach out to our sales department directly.
▶ Related products

(−)-Curcumol
C15H24O2
Cell Biology
(±) Clopidogrel hydrogensulfate
Cell Biology

(±)-L-Alliin
C6H11NO3S
Cell Biology
(±)-2-Amino-4-phosphonobutyric acid
C4H10NO5P
Cell Biology
(±)-2-Methylarachidonoyl-2′-fluoroethylamide
C23H38NOF
Cell Biology
(±)-3,4-Methylenedioxy-N-ethylamphetamine hydrochloride
Cell Biology

(±)-3,4-Methylenedioxyamphetamine hydrochloride
Cell Biology

(±)-3,4-Methylenedioxymethamphetamine hydrochloride
Cell Biology
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis