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Alfa Aesar™ 2-Mercapto-5-methoxybenzimidazole, 99%

$36.35 - $504.12

Chemical Identifiers

CAS 37052-78-1
Molecular Formula C8H8N2OS
Formula Weight 180.23
MDL Number MFCD00134581
Beilstein 3605123
Synonym 5-Methoxy-2-benzimidazolethiol; 5-Methoxy-2-mercaptobenzimidazole
Chemical Name or Material 2-Mercapto-5-methoxybenzimidazole
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Products ${productFamilyLength}
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAB2057006 SDS Alfa Aesar™
B2057006
5g Each for $36.35
AAB2057014 SDS Alfa Aesar™
B2057014
25g Each for $140.01
AAB2057022 SDS Alfa Aesar™
B2057022
100g Each for $504.12
Specifications

Description

Applications
2-Mercapto-5-methoxybenzimidazole is used in the preparation of COX-2 inhibitors. It is also employed in the preparation of compounds such as 5-methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfonyl]-1H-benzimidazole and 5-methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl-1-oxide)methyl]sulfonyl]-1H-benzimidazole. Further, it acts as a hetercocyclic building block and serves as an intermediate of drug omeprazole.

Solubility
Soluble in dimethyl sulfoxide. Slightly soluble in methanol. Insoluble in water.

Notes
Air sensitive. Store in a cool place. Incompatible with strong oxidizing agents, acids, bases and reducing agents.
Description & Specifications

Chemical Identifiers

37052-78-1
180.23
3605123
2-Mercapto-5-methoxybenzimidazole
C8H8N2OS
MFCD00134581
5-Methoxy-2-benzimidazolethiol; 5-Methoxy-2-mercaptobenzimidazole

Specifications

37052-78-1
180.23
3605123
255° to 259°C
2-Mercapto-5-methoxybenzimidazole
C8H8N2OS
MFCD00134581
5-Methoxy-2-benzimidazolethiol; 5-Methoxy-2-mercaptobenzimidazole
5g
99%

Safety and Handling

GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.

GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

Warning