MMB-4
1,1′-Methylenebis[4-[(hydroxyimino)methyl]-pyridinium dibromide (CAS: 2058-89-1) is a chemical compound with the formula C13H14N4O2 · 2Br. Available as a light yellow to light brown powder, this substance is soluble in water. It finds primary utility in research settings, particularly within cell biology, cell signaling, neuroscience, and neurotransmission studies. TSS supplies this compound with a minimum purity of 98% as determined by HPLC.
- IUPAC
- 1,1′-Methylenebis[4-[(hydroxyimino)methyl]-pyridinium dibromide
- Synonyms
- 1,1′-Methylenebis[4-[(hydroxyimino)methyl]-pyridinium dibromide

Neuroscience Research
MMB-4 is utilized in neuroscience research to investigate neurotransmission processes and cholinergic pathways. Its properties make it a valuable tool for studying neural signaling mechanisms.
Cell Biology Studies
This compound serves as a reagent in cell biology, aiding in the exploration of cellular signaling pathways. Its application contributes to a deeper understanding of cellular functions.
Biochemical Assays
MMB-4 can be employed in various biochemical assays where modulation of specific cellular or signaling pathways is required. Its defined purity ensures reliable experimental outcomes.
| Empirical formula | C13H14N4O2 · 2Br |
|---|---|
| Assay | ≥98% (HPLC) |
| Form | powder |
| Colour | light yellow to light brown |
| Solubility | H2O: soluble20 mg/mL, clear |
| Storage temperature | 2-8°C |

Hazard statements
- H302Harmful if swallowed
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 MMB-4 used for?
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MMB-4 is used in research, particularly in cell biology, cell signaling, neuroscience, and neurotransmission studies. It is employed to investigate neurotransmission and cholinergic pathways.
What is the CAS number and formula for MMB-4?
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The CAS number for MMB-4 is 2058-89-1, and its formula is C13H14N4O2 · 2Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies MMB-4 with a minimum purity of ≥98% (HPLC). This is a research-grade chemical, and TSS does not represent it as USP, BP, or EP grade.
How should MMB-4 be handled and stored?
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MMB-4 is classified with a Warning signal word and carries the hazard statement H302 (Harmful if swallowed). It should be handled with appropriate personal protective equipment in a well-ventilated area. Store at 2-8°C.
How is MMB-4 packed and shipped?
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MMB-4 is supplied as a powder and is typically packed and exported in quantities suitable for laboratory research. Please contact TSS for specific packaging and shipping information.
How can I request a sample or quote for MMB-4?
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To request a sample or quote for MMB-4, please contact the TSS sales team through our website or by phone, providing your specific requirements.
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