4-Azabenzimidazole

4-Azabenzimidazole Structure
CAS No.
273-21-2
Chemical Name:
4-Azabenzimidazole
Synonyms
4H-Imidazo[4,5-b]pyridine;PBTFL44;1-deazapurine;3,4-diazaindole;4-AZABENZIMIDAZOLE;7-azabenzimidazole;TIMTEC-BB SBB004292;4-Aza-1H-benzimidazole;Imidazo(4,5-b)pyridine;4-AZABENZIMIDAZOLE 99%
CBNumber:
CB8165215
Molecular Formula:
C6H5N3
Molecular Weight:
119.12
MOL File:
273-21-2.mol
MSDS File:
SDS
Modify Date:
2023/4/23 13:52:06

4-Azabenzimidazole Properties

Melting point 148-151 °C (lit.)
Boiling point 140-150°C/0.1mm
Density 1.2058 (rough estimate)
refractive index 1.5589 (estimate)
Flash point 140-150°C/0.1mm
storage temp. Inert atmosphere,Room Temperature
solubility Soluble in dimethylformamide.
pka 8.46±0.20(Predicted)
BRN 2600
CAS DataBase Reference 273-21-2(CAS DataBase Reference)
EPA Substance Registry System 1H-Imidazo[4,5-b]pyridine (273-21-2)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P305+P351+P338
Hazard Codes  Xn
Risk Statements  22
Safety Statements  24/25
WGK Germany  3
RTECS  NJ5108000
HS Code  2933998090
Toxicity mouse,LD50,intraperitoneal,> 200mg/kg (200mg/kg),Journal of Medicinal Chemistry. Vol. 6, Pg. 480, 1963.
NFPA 704
0
0 0

4-Azabenzimidazole price More Price(2)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) A93607 4-Azabenzimidazole 99% 273-21-2 1G ₹6181.08 2022-06-14 Buy
Sigma-Aldrich(India) A93607 4-Azabenzimidazole 99% 273-21-2 5G ₹16064.3 2022-06-14 Buy
Product number Packaging Price Buy
A93607 1G ₹6181.08 Buy
A93607 5G ₹16064.3 Buy

4-Azabenzimidazole Chemical Properties,Uses,Production

Chemical Properties

yellow to light brown powder

Uses

4-Azabenzimidazole is used in the preparation of imidazo[4,5-b]pyridine 4-oxide. It is also used as a reagent to prepare benzoylmethyl-substituted azoles which are inhibitors of nitric oxide synthase with antioxidant properties.

Definition

ChEBI: The [4,5-b]-fused isomer of imidazopyridine.

4-Azabenzimidazole Preparation Products And Raw materials

Global( 146)Suppliers
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Ganapa Liife Science +91 7760536535 Bangalore, India 168 58 Inquiry
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CONIER CHEM AND PHARMA LIMITED +8618523575427 China 49391 58 Inquiry
career henan chemical co +86-0371-86658258 +8613203830695 China 29826 58 Inquiry
1-deazapurine 3,4-diazaindole 7-azabenzimidazole 4-AZABENZIMIDAZOLE 1 H-IMIDAZO[4,5-B]PYRIDINE TIMTEC-BB SBB004292 pyrido(2,3-d)imidazole 4-AZABENZIMIDAZOLE 99% Imidazo(4,5-b)pyridine 4-Aza-1H-benzimidazole 4-Azabenzimidazole1H-Imidazo[4,5-b]pyridine 3H-Imidazo[4,5-b]pyridine, 4-Aza-1H-benzimidazole Imidazo/4,5-b/pyridine (4-Azabenzimidazole) and its derivatives PBTFL44 7aH-imidazo[4,5-b]pyridine 4H-Imidazo[4,5-b]pyridine 3H-Imidazo[4,5-b]pyridine (4-Azabenzimidazole) 273-21-2 Heterocyclic Building Blocks Benzimidazoles Building Blocks