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4-Azabenzimidazole

Product Name
4-Azabenzimidazole
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;Imidazo(4,5-b)pyridine;4-AZABENZIMIDAZOLE 99%;pyrido(2,3-d)imidazole
CBNumber
CB8165215
Molecular Formula
C6H5N3
Formula Weight
119.12
MOL File
273-21-2.mol
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4-Azabenzimidazole Property

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)
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Safety

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.
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
A93607
Product name
4-Azabenzimidazole
Purity
99%
Packaging
1g
Price
$89.4
Updated
2024/03/01
Sigma-Aldrich
Product number
A93607
Product name
4-Azabenzimidazole
Purity
99%
Packaging
5g
Price
$347
Updated
2023/06/20
Alfa Aesar
Product number
B25051
Product name
4-Azabenzimidazole, 99%
Packaging
1g
Price
$62.65
Updated
2024/03/01
Alfa Aesar
Product number
B25051
Product name
4-Azabenzimidazole, 99%
Packaging
5g
Price
$217.65
Updated
2024/03/01
Alfa Aesar
Product number
B25051
Product name
4-Azabenzimidazole, 99%
Packaging
25g
Price
$984.65
Updated
2024/03/01
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4-Azabenzimidazole Chemical Properties,Usage,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

Raw materials

Ethanol Formic acid 2,3-Diaminopyridine PETROLEUM ETHER

Preparation Products

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4-Azabenzimidazole Suppliers

Belgium 2 China 100 Germany 3 India 6 Japan 1 South Korea 1 Switzerland 3 Ukraine 2 United Kingdom 7 United States 24 Global 149
CHEMOS GmbH & Co. KG
Tel
--
Fax
--
Email
chemos@chemos.de
Country
Germany
ProdList
6727
Advantage
58
ChemPur GmbH
Tel
--
Fax
--
Email
info@ChemPur.de
Country
Germany
ProdList
2737
Advantage
50
ABCR GmbH & CO. KG
Tel
--
Fax
--
Email
info@abcr.de
Country
Germany
ProdList
6831
Advantage
75
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View Lastest Price from 4-Azabenzimidazole manufacturers

Henan Aochuang Chemical Co.,Ltd.
Product
4-Azabenzimidazole 273-21-2
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
1Ton
Release date
2022-10-13
Career Henan Chemical Co
Product
4-Azabenzimidazole 273-21-2
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10000KGS
Release date
2020-01-02

273-21-2, 4-AzabenzimidazoleRelated Search:

2-Methylbenzimidazole Methimazole Benzimidazole Levamisole Mebendazole 2-Chlorobenzimidazole Pyridine 6-BROMO-2-METHYL-4H-IMIDAZO[4,5-B]PYRIDINE 4-AZABENZIMIDAZOLE, 99 5-AZABENZIMIDAZOLE 1H-IMIDAZO[4,5-B]PYRIDINE-2-THIOL 4,5,6,7-Tetrabromo-2-azabenzimidazole, 4,5,6,7-Tetrabromobenzotriazole, NSC 231634, TBBt,4,5,6,7-TETRABROMO-2-AZABENZIMIDAZOLE benzimidazolone 4-Azabenzimidazole Alkyl benzimidazole IMIDAZOPYRIDINE 2-(4-CHLOROPHENYL)-1-([3-(TRIFLUOROMETHYL)BENZYL]OXY)-1H-IMIDAZO[4,5-B]PYRIDINE 1-[(4-CHLOROBENZYL)OXY]-2-PHENYL-1H-IMIDAZO[4,5-B]PYRIDINE

  • 1-deazapurine
  • 3,4-diazaindole
  • Imidazo/4,5-b/pyridine (4-Azabenzimidazole) and its derivatives
  • PBTFL44
  • 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
  • 4H-Imidazo[4,5-b]pyridine
  • 4-Azabenzimidazole1H-Imidazo[4,5-b]pyridine
  • 3H-Imidazo[4,5-b]pyridine, 4-Aza-1H-benzimidazole
  • 7aH-imidazo[4,5-b]pyridine
  • 3H-Imidazo[4,5-b]pyridine (4-Azabenzimidazole)
  • 273-21-2
  • Heterocyclic Building Blocks
  • Benzimidazoles
  • Building Blocks