61-73-4
61-73-4
Chemical Structure
Methylene Blue
Synonym(s): Basic Blue 9; CI-52015; Methylthioninium chloride
- CAS No.: 61-73-4
- Formula:C16H18ClN3S
- Molecular Weight:319.85
IUPAC Name: N-(7-(dimethylamino)-3H-phenothiazin-3-ylidene)-N-methylmethanaminium chloride
InChIKey: CXKWCBBOMKCUKX-UHFFFAOYSA-M
SMILES: CN(C)C1=CC=C2C(SC(C(C=C/3)=N2)=CC3=[N+](C)/C)=C1.[Cl-]
Biological Activity: Methylene blue (Basic Blue 9) is a guanylyl cyclase (sGC), monoamine oxidase A (MAO-A) and NO synthase (NOS) inhibitor. Methylene blue is a vasopressor and is often used as a dye in several medical procedures. Methylene blue through the nitric oxide syntase/guanylate cyclase signalling pathway to reduce prepulse inhibition. Methylene blue is a REDOX cycling compound and able to cross the blood-brain barrier. Methylene blue is a Tau aggregation inhibitor. Methylene Blue is a photosensitizer and redox agent. Methylene blue reduces cerebral edema, attenuated microglial activation and reduced neuroinflammation[1][2][3][4].
| Cat. No. | Product Name | Purity | Description | Pricing | |||||||||||||||||||
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Methylene Blue | 95.05% | Methylene blue (Basic Blue 9) is a guanylyl cyclase (sGC), monoamine oxidase A (MAO-A) and NO synthase (NOS) inhibitor. Methylene blue is a vasopressor and is often used as a dye in several medical procedures. Methylene blue through the nitric oxide syntase/guanylate cyclase signalling pathway to reduce prepulse inhibition. Methylene blue is a REDOX cycling compound and able to cross the blood-brain barrier. Methylene blue is a Tau aggregation inhibitor. Methylene Blue is a photosensitizer and redox agent. Methylene blue reduces cerebral edema, attenuated microglial activation and reduced neuroinflammation. | ||||||||||||||||||||
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Methylene Blue (Standard) | 95.11% | Methylene Blue (Standard) is the analytical standard of Methylene Blue. This product is intended for research and analytical applications. Methylene blue (Basic Blue 9) is a guanylyl cyclase (sGC), monoamine oxidase A (MAO-A) and NO synthase (NOS) inhibitor. Methylene blue is a vasopressor and is often used as a dye in several medical procedures. Methylene blue through the nitric oxide syntase/guanylate cyclase signalling pathway to reduce prepulse inhibition. Methylene blue is a REDOX cycling compound and able to cross the blood-brain barrier. Methylene blue is a Tau aggregation inhibitor. Methylene blue reduces cerebral edema, attenuated microglial activation and reduced neuroinflammation. | ||||||||||||||||||||
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Methylene blue (purity≥70%) | 95.0% | Methylene blue (purity≥70%) is a guanylyl cyclase (sGC), monoamine oxidase A (MAO-A) and NO synthase (NOS) inhibitor. Methylene blue (purity≥70%) is a vasopressor and is often used as a dye in several medical procedures. Methylene blue (purity≥70%) through the nitric oxide syntase/guanylate cyclase signalling pathway to reduce prepulse inhibition. Methylene blue (purity≥70%) is a REDOX cycling compound and able to cross the blood-brain barrier. Methylene blue (purity≥70%) is a Tau aggregation inhibitor. Methylene blue reduces cerebral edema, attenuated microglial activation and reduced neuroinflammation. | ||||||||||||||||||||
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Luciferase-IN-1 | 98.60% | Luciferase-IN-1 is a luciferase inhibitor. | ||||||||||||||||||||
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1,9-Dimethylmethylene blue | 98.16% | 1,9-Dimethylmethylene blue is a photosensitizer, virus inactivator and hemoglobin oxidant derived from methylene blue. When activated, 1,9-Dimethylmethylene blue generates reactive oxygen species including singlet oxygen, and acts as a metachromatic dye. When activated in monomeric or dimeric form, 1,9-Dimethylmethylene blue induces photoinactivation of R17 phage and vesicular stomatitis virus and oxidizes hemoglobin via non-singlet oxygen reactive oxygen species or singlet oxygen-mediated pathways, respectively. The monomeric form, with higher nucleic acid affinity, achieves virus inactivation under specific conditions without forming methemoglobin. 1,9-Dimethylmethylene blue binds to substances such as glycosaminoglycans to produce color changes. Although it is susceptible to interference from non-glycosaminoglycan components in urine, it is still applicable to spectrophotometric analysis for glycosaminoglycan quantification. With these unique photochemical and binding properties, 1,9-Dimethylmethylene blue is widely used in studies of viral infections and related biochemical analyses. |
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Methylene blue trihydrate | 98.0% | Methylene blue trihydrate (C.I. Basic Blue 9 trihydrate) is a guanylyl cyclase (sGC), monoamine oxidase A (MAO-A) and NO synthase (NOS) inhibitor. Methylene blue trihydrate is a vasopressor and is often used as a dye in several medical procedures. Methylene blue trihydrate has antinociception, antimalarial, antidepressant and anxiolytic activity effects. Methylene Blue trihydrate has the potential for methemoglobinemias, neurodegenerative disorders and ifosfamide-induced encephalopathytreatment. | ||||||||||||||||||||
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Azure B | 99.87% | Azure B is a cationic dye and the major metabolite of Methylene blue. Azure B is used in making Azure eosin stains for blood smear staining. Azure B is a high-potency, selective and reversible inhibitor of monoamine oxidases (MAO)-A, with IC50s of 11 and 968 nM for recombinant human MAO-A and MAO-B, respectively. Azure B possesses significant antidepressant-like effects. | ||||||||||||||||||||
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Azure B (Standard) | ≥98% | Azure B (Standard) is the analytical standard of Azure B. This product is intended for research and analytical applications. Azure B is a cationic dye and the major metabolite of Methylene blue. Azure B is used in making Azure eosin stains for blood smear staining. Azure B is a high-potency, selective and reversible inhibitor of monoamine oxidases (MAO)-A, with IC50s of 11 and 968 nM for recombinant human MAO-A and MAO-B, respectively. Azure B possesses significant antidepressant-like effects. | ||||||||||||||||||||
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Toluidine Blue | Toluidine Blue (Toluidine Blue O) is an alkaline quinonimine dye (vivo dye) with high affinity for acidic tissue components, staining nuclei blue and polysaccharides purple. Toluidine Blue shows heterostaining properties for mast cells, mucins and chondrocytes. Toluidine Blue can stain different components of plant tissues and cells in different colours. Toluidine Blue is also used as a diagnostic aid to identify malignant lesions, such as cancer. | |||||||||||||||||||||
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Giemsa stain | Giemsa stain is a composite dye composed of methylene azure, methylene blue, eosin and other components. Giemsa stain stains chromatin, nuclear membranes, specific cytoplasmic components and microorganisms. Giemsa stain is used in research on cytological and parasitological staining. | |||||||||||||||||||||
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Azure A chloride | 70% | Azure A chloride is a phenothiazine dye. Azure A chloride is an alternative DNA dye used for the separation of DNA and protein fragments in agarose gel electrophoresis and PAGE. Azure A chloride can be chemisorbed on the surface of mild steel according to the Langmuir adsorption isotherm to form a protective film. Azure A chloride binds to double-stranded DNA in a non-cooperative manner via weak intercalation, triggering molecular conformational disturbance, restricted rotational motion, and changes in optical activity. | ||||||||||||||||||||
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Acridine Orange base | 97.04% | Acridine Orange base is a cell-permeable fluorescent dye that stains organisms (bacteria, parasites, viruses, etc.) bright orange and, when used under appropriate conditions (pH=3.5, Ex=460 nm), distinguishes human cells in green for detection by fluorescence microscopy. Acridine Orange base fluoresces green when bound to dsDNA (Ex=488, Em=520-524) and red when bound to ssDNA (Ex=457, Em=630-644) or ssRNA (Ex=457, Em=630-644), also can be used in cell cycle assays. | ||||||||||||||||||||
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Thionin acetate | 93.00% | Thionin acetate is a compound present in the seeds, stems, roots, and leaves of many plant species with antibacterial activity. Thionin acetate is a metachromatic cationic histological dye widely used in biological staining, such as Nissl staining. | ||||||||||||||||||||
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Selenomethylene blue | Selenomethylene blue is an antioxidant and anti-inflammatory agent. Selenomethylene blue effectively inhibits the inflammatory paw edema in rats. | |||||||||||||||||||||
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Acridine Orange hydrochloride (solution) | Acridine Orange hydrochloride (solution) is a cell-penetrable nucleic acid-selective fluorescent dye. Acridine Orange hydrochloride produces orange fluorescence when it binds to ssDNA or RNA, and green fluorescence when it binds to dsDNA (Ex: 488 nM; Em: green fluorescence at 530 nm, orange fluorescence at 640 nm) . Solvent and Concentration: Sterile water: 10 mg/mL The 1 mL volume is defined as the base specification. All larger sizes correspond to incremental volumes of this base. |
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Thioflavin T (solution) | Thioflavin T (solution) is a cationic Benzothiazole dye that shows enhanced fluorescence upon binding to amyloid in tissue sections. Excitation max.: ~385 nm (free) ; ~450 nm (bound) ; Emission max.: ~445 nm (free) ; ~485 nm (bound) . Solvent and Concentration: Sterile water: 10 mM The 1 mL volume is defined as the base specification. All larger sizes correspond to incremental volumes of this base. |
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Azure C | 65.15% | Azure C (Monomethylthionine) acts as a tau oligomer inhibitor and Aβ42 oligomerization inhibitor. Azure C regulates hsp70 ATPase activity, thereby mediating the clearance of tau protein. Azure C reduces the levels of toxic tau oligomers by promoting the formation of non-toxic tau aggregates, rescues neuroblastoma cells from tau oligomer-induced toxicity, and binds to and inhibits Aβ42 oligomerization. Azure C is generated via continuous oxidation of methylene blue or azure B through a horseradish peroxidase-mediated reaction. Azure C can be used in research related to tauopathies, including Alzheimer's disease. | ||||||||||||||||||||
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BTA-2 | BTA-2, a benzothiazole dye, is structurally similar to thioflavin T (ThT), which exhibits an enhanced fluorescence signal when bound to amyloid fibrils. BTA-2 has distinct absorption and emission characteristics in solution and when bound to amyloid fibrils, which makes it can used for identifying amyloid fibrils using spectroscopy. | |||||||||||||||||||||
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Methylene green | Methylene green is a cationic phenothiazine dye and a nitro derivative of Methylene blue (HY-14536), which exhibits a strong absorption band in the ~550-690 nm range. Methylene green supports photodynamic processes, cell staining, and biomolecule identification. | |||||||||||||||||||||
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References
- [1]. Klamer D, et, al. Phencyclidine-induced behaviour in mice prevented by methylene blue. Basic Clin Pharmacol Toxicol. 2004 Feb;94(2):65-72. [Content Brief]
- [2]. Hochgräfe K, et, al. Preventive methylene blue treatment preserves cognition in mice expressing full-length pro-aggregant human Tau. Acta Neuropathol Commun. 2015 May 10;3:25. [Content Brief]
- [3]. Fenn AM, et, al. Methylene blue attenuates traumatic brain injury-associated neuroinflammation and acute depressive-like behavior in mice. J Neurotrauma. 2015 Jan 15;32(2):127-38. [Content Brief]
- [4]. Kalaitzakis D, et al. Methylene Blue as a Photosensitizer and Redox Agent: Synthesis of 5-Hydroxy-1H-pyrrol-2(5H)-ones from Furans. Angew Chem Int Ed Engl. 2015 May 18;54(21):6283-7. [Content Brief]
