L-659,877
L-659,877 (CAS 125989-12-0) is a chemical compound with the molecular formula C38H50N8O7S. It functions as an antagonist, playing a role in cell signaling and neuroscience research. This high-purity compound is primarily utilised in biochemical studies and as a tool for investigating membrane protein biology and neuropeptide pathways. It is supplied by Tech Serve Solutions for research and laboratory applications.
- Synonyms
- C38H50N8O7S

Neuroscience Research
L-659,877 serves as a valuable tool in neuroscience research, particularly for studying the role of tachykinins and their receptors. Its antagonistic properties aid in understanding neural pathways and signaling mechanisms.
GPCR Modulation Studies
As a GPCR modulator, this compound is instrumental in research focused on G protein-coupled receptors. It allows scientists to investigate receptor function and signalling cascades in various biological systems.
Cell Biology Investigations
L-659,877 is employed in cell biology to explore cellular responses and signaling pathways. Its application helps in understanding complex biological processes at the cellular level.
Biochemical Assays
Utilised in biochemical assays, this compound supports the quantitative analysis of biological targets. Its defined purity ensures reliable results in experimental settings.
| Molecular weight | 762.92 |
|---|---|
| Empirical formula | C38H50N8O7S |
| Assay | >95% |
| Form | powder |
| Colour | white |
| Storage temperature | −20°C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... TACR2(6865) |
|---|
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 L-659,877 used for?
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L-659,877 is primarily used as an antagonist in research, particularly in neuroscience and cell signaling studies, and for investigating GPCR modulators.
What are the CAS number and molecular formula for L-659,877?
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The CAS number for L-659,877 is 125989-12-0, and its molecular formula is C38H50N8O7S.
What grade and purity does Tech Serve Solutions supply for L-659,877?
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Tech Serve Solutions supplies L-659,877 with an assay of >95%. We do not represent this product as USP, BP, or EP grade.
How should L-659,877 be handled safely?
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When handling L-659,877, it is essential to use appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. The compound has a WGK Germany rating of 3.
How is L-659,877 shipped and exported?
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L-659,877 is stored at -20°C. Tech Serve Solutions, a specialist global supplier and exporter, ensures that all shipments comply with international regulations for chemical export.
How can I request a quote or sample for L-659,877?
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To request a quote or sample for L-659,877, please contact our customer service department through the TSS website or by phone.
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