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ChemicalBook >> CAS DataBase List >> 4-Azabenzimidazole

4-Azabenzimidazole

$30 - $3716
Product name: 4-Azabenzimidazole
CAS: 273-21-2
MF: C6H5N3
MW: 119.12
EINECS:205-987-3
MDL Number:MFCD00005579
Synonyms: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

Price47 Properties Safety Information Description

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aablocks
Abosyn
ACHEMBLOCK
AK Scientific
Alichem
American Custom Chemicals Corporation
Chemenu
Crysdot
Matrix Scientific
Sigma-Aldrich
Synthonix
Thermo Scientific Chemicals
TRC

Package

250mg
1.00g
1g
5.00g
5g
10.00g
10g
20G
25.00g
25G
56g

Manufactureraablocks
Product numberAA00BBW7
Product description4H-Imidazo[4,5-b]pyridine 97%
Packaging250mg
Price$30
Updated2026-05-28
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Manufactureraablocks
Product numberAA00BBW7
Product description4H-Imidazo[4,5-b]pyridine 97%
Packaging1g
Price$43
Updated2026-05-28
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Manufactureraablocks
Product numberAA00BBW7
Product description4H-Imidazo[4,5-b]pyridine 95%
Packaging5g
Price$58
Updated2026-05-28
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ManufacturerAbosyn
Product number61-11898
Product description1H-imidazo[4,5-b]pyridine 95-98%
Packaging1g
Price$55
Updated2021-12-16
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ManufacturerAbosyn
Product number61-11898
Product description1H-imidazo[4,5-b]pyridine 95-98%
Packaging56g
Price$340
Updated2021-12-16
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ManufacturerACHEMBLOCK
Product numberH-8708
Product description4-Azabenzimidazole 98%
Packaging5G
Price$110
Updated2026-05-27
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ManufacturerACHEMBLOCK
Product numberH-8708
Product description4-Azabenzimidazole 98%
Packaging25G
Price$320
Updated2026-05-27
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ManufacturerAK Scientific
Product number2570AB
Product description1H-Imidazo[4,5-b]pyridine
Packaging25g
Price$1307
Updated2021-12-16
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ManufacturerAlichem
Product number273212
Product description3H-Imidazo(4,5-b)pyridine
Packaging10g
Price$430.29
Updated2021-12-16
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ManufacturerAlichem
Product number273212
Product description3H-Imidazo(4,5-b)pyridine
Packaging5g
Price$240.94
Updated2021-12-16
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ManufacturerAmerican Custom Chemicals Corporation
Product numberCHM0025447
Product description4-AZABENZIMIDAZOLE 95.00%
Packaging1G
Price$169.05
Updated2021-12-16
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ManufacturerAmerican Custom Chemicals Corporation
Product numberCHM0025447
Product description4-AZABENZIMIDAZOLE 95.00%
Packaging5G
Price$619.08
Updated2021-12-16
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ManufacturerAmerican Custom Chemicals Corporation
Product numberCHM0025447
Product description4-AZABENZIMIDAZOLE 95.00%
Packaging10G
Price$818.16
Updated2021-12-16
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ManufacturerAmerican Custom Chemicals Corporation
Product numberCHM0025447
Product description4-AZABENZIMIDAZOLE 95.00%
Packaging20G
Price$1218.4
Updated2021-12-16
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ManufacturerChemenu
Product numberCM150999
Product description3H-Imidazo[4,5-b]pyridine 95+%
Packaging25g
Price$1485
Updated2021-12-16
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ManufacturerChemenu
Product numberCM150999
Product descriptionImidazo[4,5-b]pyridine 95%+
Packaging25g
Price$752
Updated2026-05-20
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA00BBW7	4H-Imidazo[4,5-b]pyridine 97%	250mg	$30	2026-05-28	Buy
aablocks	AA00BBW7	4H-Imidazo[4,5-b]pyridine 97%	1g	$43	2026-05-28	Buy
aablocks	AA00BBW7	4H-Imidazo[4,5-b]pyridine 95%	5g	$58	2026-05-28	Buy
Abosyn	61-11898	1H-imidazo[4,5-b]pyridine 95-98%	1g	$55	2021-12-16	Buy
Abosyn	61-11898	1H-imidazo[4,5-b]pyridine 95-98%	56g	$340	2021-12-16	Buy
ACHEMBLOCK	H-8708	4-Azabenzimidazole 98%	5G	$110	2026-05-27	Buy
ACHEMBLOCK	H-8708	4-Azabenzimidazole 98%	25G	$320	2026-05-27	Buy
AK Scientific	2570AB	1H-Imidazo[4,5-b]pyridine	25g	$1307	2021-12-16	Buy
Alichem	273212	3H-Imidazo(4,5-b)pyridine	10g	$430.29	2021-12-16	Buy
Alichem	273212	3H-Imidazo(4,5-b)pyridine	5g	$240.94	2021-12-16	Buy
American Custom Chemicals Corporation	CHM0025447	4-AZABENZIMIDAZOLE 95.00%	1G	$169.05	2021-12-16	Buy
American Custom Chemicals Corporation	CHM0025447	4-AZABENZIMIDAZOLE 95.00%	5G	$619.08	2021-12-16	Buy
American Custom Chemicals Corporation	CHM0025447	4-AZABENZIMIDAZOLE 95.00%	10G	$818.16	2021-12-16	Buy
American Custom Chemicals Corporation	CHM0025447	4-AZABENZIMIDAZOLE 95.00%	20G	$1218.4	2021-12-16	Buy
Chemenu	CM150999	3H-Imidazo[4,5-b]pyridine 95+%	25g	$1485	2021-12-16	Buy
Chemenu	CM150999	Imidazo[4,5-b]pyridine 95%+	25g	$752	2026-05-20	Buy

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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.
form :powder
pka :8.46±0.20(Predicted)
Appearance :Off-white to light brown Solid
BRN :2600
InChI :1S/C6H5N3/c1-2-5-6(7-3-1)9-4-8-5/h1-4H,(H,7,8,9)
InChIKey :GAMYYCRTACQSBR-UHFFFAOYSA-N
SMILES :c1cnc2nc[nH]c2c1
CAS DataBase Reference :273-21-2(CAS DataBase Reference)
EPA Substance Registry System :1H-Imidazo[4,5-b]pyridine (273-21-2)

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	P-Codes
H302	Harmful if swallowed	Acute toxicity,oral	Category 4	Warning	P264, P270, P301+P312, P330, P501
H315	Causes skin irritation	Skin corrosion/irritation	Category 2	Warning	P264, P280, P302+P352, P321,P332+P313, P362
H319	Causes serious eye irritation	Serious eye damage/eye irritation	Category 2A	Warning	P264, P280, P305+P351+P338,P337+P313P
H335	May cause respiratory irritation	Specific target organ toxicity, single exposure;Respiratory tract irritation	Category 3	Warning

Precautionary statements:

P261	Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

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.

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Suppliers and manufacturers

career henan chemical co

$1.00
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4-Azabenzimidazole

Properties

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Description

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