ChemicalBook > CAS DataBase List > 4-Azabenzimidazole

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

Preparation Products

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4-Azabenzimidazole Suppliers

Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30123
Advantage
84
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44688
Advantage
61
WUHAN SUN-SHINE BIO-TECHNOLOGY Co., Ltd.
Tel
17702719238 17702719238
Email
sales@sun-shinechem.com
Country
China
ProdList
985
Advantage
64
Shanghai Hanhong Scientific Co.,Ltd.
Tel
021-54306202 13764082696
Email
info@hanhongsci.com
Country
China
ProdList
42958
Advantage
64
Sichuan Kulinan Technology Co., Ltd
Tel
400-1166-196 18981987031
Fax
028-84555506 800101999
Email
cdhxsj@163.com
Country
China
ProdList
11707
Advantage
57
Tianjin heowns Biochemical Technology Co., Ltd.
Tel
400 638 7771
Email
sales@heowns.com
Country
China
ProdList
14435
Advantage
57
Sphinx Scientific Laboratory (Tianjin) Co., Ltd.
Tel
022-66211289-843 13672102692
Fax
QQ:2377893365
Email
contact@sphinxpharm.com
Country
China
ProdList
361
Advantage
62
Chengdu Ai Keda Chemical Technology Co., Ltd.
Tel
4008-755-333 18080918076
Fax
028-86757656
Email
800078821@qq.com
Country
China
ProdList
9718
Advantage
55
T&W GROUP
Tel
021-61551611 13296011611
Fax
+86 21-50676805
Email
contact@trustwe.com
Country
China
ProdList
9895
Advantage
58
Chiba Pharmaceutical Science and technology Co, Ltd.
Tel
0531-81313138 13066006660
Fax
QQ: 3366077777
Email
chibapharm@foxmail.com
Country
China
ProdList
4056
Advantage
55
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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

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