2-GUANIDINOBENZIMIDAZOLE
- CAS NO.:5418-95-1
- Empirical Formula: C8H9N5
- Molecular Weight: 175.19
- MDL number: MFCD00005590
- EINECS: 226-527-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 06:10:03
What is 2-GUANIDINOBENZIMIDAZOLE?
Description
2GBI (5418-95-1) is a selective and state-dependent blocker of voltage-gated proton channels (Hv1).1?2GBI blocks the channel by binding to the voltage-sensing domain from its intracellular side.2,3? Inhibition of Hv1 is a potentially new target of intervention in various pathophysiological processes including inflammatory, cancer, bone resorption and neurodegenerative disease.4
Chemical properties
BROWN-PURPLE FINE CRYSTALLINE POWDER
The Uses of 2-GUANIDINOBENZIMIDAZOLE
N-1H-Benzimidazol-2-ylguanidine is used as a reagent in the synthesis of novel fused pyrimidines and imidazoles as potential analgesics.
Definition
ChEBI: 2-Benzimidazolylguanidine is an aminoimidazole.
References
1) Hong?et al. (2015),?Interrogation of the intersubunit interface if the open Hv1 proton channel with a probe of allosteric coupling; Sci. Rep.,?5?14077 2) Hong?et al.?(2014),?Molecular determinants of Hv1 proton channel inhibition by guanidine derivatives; Proc. Natl. Acad. Sci. USA,?111?9971 3) Gianti?et al. (2016),?On the role of water density fluctuations in the inhibition of a proton channel; Proc. Natl. Acad. Sci. USA,?113?E8359 4) Pupo and Gonzalez (2014),?In pursuit of an inhibitory drug for the proton channel; Proc. Natl. Acad. Sci. USA,?111?9673
Properties of 2-GUANIDINOBENZIMIDAZOLE
| Melting point: | 242-244 °C (dec.) (lit.) |
| Boiling point: | 296.48°C (rough estimate) |
| Density | 1.2954 (rough estimate) |
| refractive index | 1.6900 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Soluble in DMSO (up to 50 mg/ml) or in Water (up to 4 mg/ml with warming) |
| form | solid |
| pka | 13.67±0.30(Predicted) |
| color | Beige |
| Stability: | Stable for 1 year from date of purchase as supplied. Solutions in DMSO or distilled water may be stored at -20°C for up to 3 months. |
| CAS DataBase Reference | 5418-95-1(CAS DataBase Reference) |
| EPA Substance Registry System | Guanidine, 1H-benzimidazol-2-yl- (5418-95-1) |
Safety information for 2-GUANIDINOBENZIMIDAZOLE
| Signal word | Warning |
| Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H332:Acute toxicity,inhalation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2-GUANIDINOBENZIMIDAZOLE
New Products
9-Mesityl-10-methylacridinium perchlorate Sulfapyridine Fmoc-OSu (R)-(-)-2-Amino-1-propanol Cyclobutanone 5-bromo-4-fluoro-2-nitrobenzaldehyde 4 pentyn 1 ol N-Vinylformamide Phenethyl cinnamate Pyrrolo[1,2-a]pyrimidine-6-carboxylic acid, 4,6,7,8-tetrahydro-4-oxo-, sodium salt (1:1), (6S) Ethyl 3-phenylpropanoate β-Bromostyrene Methacrylate-PEG-Methacrylate, Mn:35000 2,4-Dihydroxyacetophenone 2-Chloro 5-Fluoro Pyridine Vasicinone 2-Chloroisonicotinic Acid Tween 80 or Polysorbate 80 5-Bromo-1-Pentyne 1-(2-Methyl-5-nitrophenyl)guanidine Nitrate Methyl trans-4-Aminocyclohexanecarboxylate Hydrochloride N-(4-Cyano-3-(trifluoromethyl)phenyl)-2-methyloxirane-2-carboxamide 4-Nitrobenzotrifluoride 2-Pentyn-1-oLRelated products of tetrahydrofuran
![4-(2-METHOXYPHENYL)-1,4-DIHYDRO[1,3,5]TRIAZINO[1,2-A][1,3]BENZIMIDAZOL-2-AMINE](https://img.chemicalbook.in/CAS/GIF/669718-22-3.gif)

![4-(2-CHLOROPHENYL)-1,4-DIHYDRO[1,3,5]TRIAZINO[1,2-A][1,3]BENZIMIDAZOL-2-AMINE](https://img.chemicalbook.in/CAS/GIF/78650-07-4.gif)


![4-(3-PYRIDYL)-1,4-DIHYDRO[1,3,5]TRIAZINO[1,2-A][1,3]BENZIMIDAZOL-2-AMINE](https://img.chemicalbook.in/CAS/GIF/305852-51-1.gif)
![4-(4-METHOXY-PHENYL)-1,4-DIHYDRO-BENZO[4,5]IMIDAZO[1,2-A][1,3,5]TRIAZIN-2-YLAMINE](https://img.chemicalbook.in/StructureFile/ChemBookStructure7/GIF/CB2689676.gif)

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