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API Impurities

5-Ethoxy-2-Mercaptobenzimidazole

Reference StandardAvailable on request

Order 5-Ethoxy-2-Mercaptobenzimidazole (CAS 55489-15-1) online at Zemixal: C9H10N2OS, COA and SDS with every lot, worldwide shipping.

Pack sizes
5-Ethoxy-2-Mercaptobenzimidazole chemical structure
CAS number55489-15-1
FormulaC9H10N2OS
Molar mass194.26 g/mol
Physical formSolid
HS code38229090
InChIKeyWUSCBOFBIYZVCQ-UHFFFAOYSA-N
IUPAC name5-ethoxy-1,3-dihydrobenzimidazole-2-thione

About 5-Ethoxy-2-Mercaptobenzimidazole

Zemixal lists 5-Ethoxy-2-Mercaptobenzimidazole for laboratories that identify, quantify or control Afobazole and its related substances. Key data (Reference Standard): CAS 55489-15-1, formula C9H10N2OS and molar mass 194.26 g/mol. It is handled as a solid.

Use cases we see most often

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Safe handling

Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Afobazole

See every impurity, metabolite and related compound we list for this API.

Afobazole standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of 5-Ethoxy-2-Mercaptobenzimidazole
Product name5-Ethoxy-2-Mercaptobenzimidazole
Catalogue numberZX-032926
CAS number55489-15-1
IUPAC name5-ethoxy-1,3-dihydrobenzimidazole-2-thione
Molecular formulaC9H10N2OS
Molar mass194.26 g/mol
Exact mass194.0514
GradeReference Standard
Physical formSolid
XLogP31.5
H-bond donors / acceptors2 / 2
Topological polar surface area65.4 Ų
HS code38229090
InChIKeyWUSCBOFBIYZVCQ-UHFFFAOYSA-N
SMILESCCOC1=CC2=C(C=C1)NC(=S)N2
PubChem CID790793
Synonyms5-Ethoxy-1H-benzo[d]imidazole-2-thiol, 5-ethoxy-1H-benzimidazole-2-thiol, 5-ethoxy-1H-1,3-benzodiazole-2-thiol, 5-ethoxybenzimidazole-2-thiol, 5-ethoxy-1H-benzo[d]imidazole-2(3H)-thione, 2H-Benzimidazole-2-thione, 5-ethoxy-1,3-dihydro-, 6-ethoxy-1H-1,3-benzodiazole-2-thiol, 2-mercapto-5-ethoxybenzimidazole, 5-Ethoxy-2-benzimidazolethiol, 5-ethoxybenzimidazoline-2-thione, 6-Ethoxy-1H-benzo[d]imidazole-2-thiol, 5-Ethoxy-1,3-dihydro-2H-1,3-benzimidazole-2-thione

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 5-Ethoxy-2-Mercaptobenzimidazole
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 5-Ethoxy-2-Mercaptobenzimidazole

Which CAS number identifies 5-Ethoxy-2-Mercaptobenzimidazole?
5-Ethoxy-2-Mercaptobenzimidazole is registered under CAS 55489-15-1. You may also see it listed as 5-Ethoxy-1H-benzo[d]imidazole-2-thiol, 5-ethoxy-1H-benzimidazole-2-thiol, 5-ethoxy-1H-1,3-benzodiazole-2-thiol. Our catalogue number for this item is ZX-032926.
What are the formula and molar mass of 5-Ethoxy-2-Mercaptobenzimidazole?
For 5-Ethoxy-2-Mercaptobenzimidazole, its formula is C9H10N2OS and its molar mass is 194.26 g/mol. The systematic (IUPAC) name is 5-ethoxy-1,3-dihydrobenzimidazole-2-thione. InChIKey WUSCBOFBIYZVCQ-UHFFFAOYSA-N lets you match it in any structure database.
How is 5-Ethoxy-2-Mercaptobenzimidazole used in pharmaceutical QC?
5-Ethoxy-2-Mercaptobenzimidazole is a characterised reference material linked to Afobazole. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for 5-Ethoxy-2-Mercaptobenzimidazole?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 5-Ethoxy-2-Mercaptobenzimidazole?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 5-Ethoxy-2-Mercaptobenzimidazole to my country?
Yes. Because 5-Ethoxy-2-Mercaptobenzimidazole is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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