B581
B581 (CAS: 149759-96-6), with the molecular formula C22H38N4O3S2 and a molecular weight of 470.69 g/mol, is a research chemical supplied by Tech Serve Solutions. This white solid compound is primarily utilised in laboratory settings for investigations within cell biology, cell signalling, and neuroscience research, particularly concerning G protein function and post-translational modifications.
- IUPAC
- N-[2(S)-(2(R)-2-Amino-3-mercaptopropylamino)-3-methylbutyl]-L-phenylalanyl-L-methionine trifluoroacetate salt

Cell Biology Research
B581 serves as a tool in cell biology studies, aiding researchers in understanding complex cellular processes and pathways. Its utility extends to investigations involving cell signalling and neuroscience.
G Protein Function Analysis
This compound is employed in research focused on the function of G proteins, including their role in signal transduction. It is valuable for studying G proteins and cyclic nucleotides interactions.
Post-translational Modification Studies
B581 can be used in research exploring post-translational modifications of proteins. Such studies are crucial for understanding protein function and regulation in various biological systems.
| Molecular weight | 470.69 |
|---|---|
| Empirical formula | C22H38N4O3S2 |
| Assay | >95% (HPLC) |
| Form | solid |
| Colour | white |
| Solubility | H2O: soluble |
| Storage temperature | −20°C |
| Composition | Peptide content, ~60% |
| 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 | rat ... Fnta(25318) |
|---|
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 B581 used for?
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B581 is a research chemical utilised in laboratory settings for studies in cell biology, cell signalling, neuroscience, G protein function, and post-translational modifications.
What is the CAS number and molecular formula for B581?
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The CAS number for B581 is 149759-96-6, and its molecular formula is C22H38N4O3S2.
What grade and purity does Tech Serve Solutions supply for B581?
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Tech Serve Solutions supplies B581 with an assay of >95% by HPLC. We do not represent this product as USP, BP, or EP grade.
How should B581 be handled safely?
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When handling B581, it is essential to wear appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. The WGK Germany is 3.
How is B581 packed and shipped?
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B581 is typically stored at -20°C. TSS exports fine chemicals, pharmaceutical intermediates, and laboratory reagents globally.
How can I request a sample or quote for B581?
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To request a sample or quote for B581, please contact the TSS sales team via the website or direct inquiry.
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