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API Process Intermediates & Related Compounds

2-Mercaptobenzimidazole

Reference StandardIn stock

Buy 2-Mercaptobenzimidazole (CAS 583-39-1) from Zemixal: C7H6N2S, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-012016.

Pack sizes
2-Mercaptobenzimidazole chemical structure
CAS number583-39-1
FormulaC7H6N2S
Molar mass150.2 g/mol
Physical formSolid
HS code2933
InChIKeyYHMYGUUIMTVXNW-UHFFFAOYSA-N
IUPAC name1,3-dihydrobenzimidazole-2-thione

About 2-Mercaptobenzimidazole

Zemixal supplies 2-Mercaptobenzimidazole within its pharma Intermediates & Building Blocks portfolio. Key data (Reference Standard): CAS 583-39-1, formula C7H6N2S and molar mass 150.2 g/mol. It is handled as a solid.

Where it is used

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Storage and safety notes

Classified under GHS with signal word Danger and hazard statements H301, H302, H311 and H312. Read the SDS before first use.

Order it in 10 mg, 25 mg, 50 mg, 100 mg and 250 mg packs or ask for a bulk quotation. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Dexlansoprazole

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

Dexlansoprazole standards

Typical uses

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of 2-Mercaptobenzimidazole
Product name2-Mercaptobenzimidazole
Catalogue numberZX-012016
CAS number583-39-1
IUPAC name1,3-dihydrobenzimidazole-2-thione
Molecular formulaC7H6N2S
Molar mass150.2 g/mol
Exact mass150.0252
GradeReference Standard
Physical formSolid
XLogP31.7
H-bond donors / acceptors2 / 1
Topological polar surface area56.2 Ų
HS code2933
InChIKeyYHMYGUUIMTVXNW-UHFFFAOYSA-N
SMILESC1=CC=C2C(=C1)NC(=S)N2
PubChem CID707035
SynonymsDexlansoprazole Isolation at (0.25 RRT), 1,3-Dihydro-2H-benzimidazole-2-thione, 2-Benzimidazolinethione, 1H-Benzimidazole-2-thiol, 2-Mercapto-1H-benzimidazole, 2-Thiobenzimidazole, Antigene MB, Permanax 21, Sandant MB, Sumilizer MB, Vulkanox, o-Phenylenethiourea

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

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • H301Toxic if swallowed
  • H302Harmful if swallowed
  • H311Toxic in contact with skin
  • H312Harmful in contact with skin
  • H315Causes skin irritation
  • H317May cause an allergic skin reaction
  • H319Causes serious eye irritation
  • H332Harmful if inhaled
  • H335May cause respiratory irritation
  • H372Causes damage to organs through prolonged or repeated exposure
  • H373May causes damage to organs through prolonged or repeated exposure
  • H412Harmful to aquatic life with long lasting effects

Precautionary statements P260, P261, P262, P264, P264 + P265, P270, P271, P272, P273, P280, P301 + P316, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P316, P317, P319, P321, P330, P332 + P317, P333 + P317, P337 + P317, P361 + P364

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 2-Mercaptobenzimidazole
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 mgQuoted on request
500 mgQuoted on request
1 gQuoted on request

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

Questions about 2-Mercaptobenzimidazole

Which CAS number identifies 2-Mercaptobenzimidazole?
2-Mercaptobenzimidazole is registered under CAS 583-39-1. You may also see it listed as Dexlansoprazole Isolation at (0.25 RRT), 1,3-Dihydro-2H-benzimidazole-2-thione, 2-Benzimidazolinethione. Our catalogue number for this item is ZX-012016.
What are the formula and molar mass of 2-Mercaptobenzimidazole?
For 2-Mercaptobenzimidazole, its formula is C7H6N2S and its molar mass is 150.2 g/mol. The systematic (IUPAC) name is 1,3-dihydrobenzimidazole-2-thione. InChIKey YHMYGUUIMTVXNW-UHFFFAOYSA-N lets you match it in any structure database.
How is 2-Mercaptobenzimidazole used in pharmaceutical QC?
2-Mercaptobenzimidazole is a characterised reference material linked to Dexlansoprazole. 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 2-Mercaptobenzimidazole?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 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 2-Mercaptobenzimidazole to my country?
Yes. Because 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.

Other grades with CAS 583-39-1

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