382485

5-Methoxy-2-benzimidazolethiol

99%

• Empirical Formula (Hill Notation): C₈H₈N₂OS
• CAS Number: 37052-78-1
• Molecular Weight: 180.23
• EC Number: 253-326-2
• MDL number: MFCD00134581
• UNSPSC Code: 12352100
• PubChem Substance ID: 24863899
• NACRES: NA.22

Properties

• Quality Level: 100
• Assay: 99%
• form: powder
• mp: 261-263 °C (lit.)
• SMILES string: COc1ccc2[nH]c(S)nc2c1
• InChI: 1S/C8H8N2OS/c1-11-5-2-3-6-7(4-5)10-8(12)9-6/h2-4H,1H3,(H2,9,10,12)
• InChI key: KOFBRZWVWJCLGM-UHFFFAOYSA-N

Description

General description

5-Methoxy-2-benzimidazolethiol is a hetercocyclic building block. Iodimetric quantification of 5-methoxy-2-benzimidazolethiol in basic medium has been investigated.

Application

5-Methoxy-2-benzimidazolethiol may be used in the preparation of compounds present as contaminants in omeprazole, 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. It may be used in the synthesis of tris[μ-1,2-bis(diphenylphosphino)ethane]-1:2κ²P:P′;1:3κ²P:P′;2:3κ²P:P′-di-μ-bromido-1:2κ⁴Br:Br-bromido-3κBr-tricopper(I) acetone hemisolvate.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H302,H317,H412
• Precautionary Statements: P261 - P264 - P273 - P280 - P301 + P312 - P302 + P352
• Hazard Classifications: Acute Tox. 4 Oral - Aquatic Chronic 3 - Skin Sens. 1
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 2
• Flash Point(F): 286.9 °F - closed cup
• Flash Point(C): 141.6 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves