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API Process Intermediates & Related Compounds

5-Chloro-2-benzimidazolone

Available on request

Buy 5-Chloro-2-benzimidazolone (CAS 2034-23-3) from Zemixal: C7H5ClN2O, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-039056.

Pack sizes
5-Chloro-2-benzimidazolone chemical structure
CAS number2034-23-3
FormulaC7H5ClN2O
Molar mass168.58 g/mol
Physical formSolid
HS code2933
InChIKeyQIGIQLYKEULMQQ-UHFFFAOYSA-N
IUPAC name5-chloro-1,3-dihydrobenzimidazol-2-one

About 5-Chloro-2-benzimidazolone

Zemixal supplies 5-Chloro-2-benzimidazolone within its pharma Intermediates & Building Blocks portfolio. Key data: CAS 2034-23-3, formula C7H5ClN2O and molar mass 168.58 g/mol. It is handled as a solid.

Typical applications

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

Storage and safety notes

Classified under GHS with signal word Danger and hazard statements H302, H315, H318 and H335. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Domperidone

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

Domperidone 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 5-Chloro-2-benzimidazolone
Product name5-Chloro-2-benzimidazolone
Catalogue numberZX-039056
CAS number2034-23-3
IUPAC name5-chloro-1,3-dihydrobenzimidazol-2-one
Molecular formulaC7H5ClN2O
Molar mass168.58 g/mol
Exact mass168.009
Physical formSolid
XLogP31.7
H-bond donors / acceptors2 / 1
Topological polar surface area41.1 Ų
HS code2933
InChIKeyQIGIQLYKEULMQQ-UHFFFAOYSA-N
SMILESC1=CC2=C(C=C1Cl)NC(=O)N2
PubChem CID223131
Synonyms5-chloro-1,3-dihydro-2H-benzimidazol-2-one, 5-Chloro-1,3-dihydrobenzoimidazol-2-one, 5-Chloro-1H-benzo[d]imidazol-2(3H)-one, 5-chloro-1h-benzoimidazol-2-ol, 2H-Benzimidazol-2-one, 5-chloro-1,3-dihydro-, 5-Chloro-2-benzimidazolinone, 5-Chlorobenzimidazol-2(3H)-one, 5-chloro-2,3-dihydro-1H-1,3-benzodiazol-2-one, 5-chloro-1,3-dihydro-benzoimidazol-2-one, 5-chloro-3-hydrobenzimidazol-2-one, 5-chloro-1,3-dihydro-2H-benzo[d]imidazol-2-one, 5-chloro-1,3-d

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

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H318Causes serious eye damage
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P354 + P338, P317, P319, P321, P330, P332 + 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-Chloro-2-benzimidazolone
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-Chloro-2-benzimidazolone

Which CAS number identifies 5-Chloro-2-benzimidazolone?
5-Chloro-2-benzimidazolone is registered under CAS 2034-23-3. You may also see it listed as 5-chloro-1,3-dihydro-2H-benzimidazol-2-one, 5-Chloro-1,3-dihydrobenzoimidazol-2-one, 5-Chloro-1H-benzo[d]imidazol-2(3H)-one. Our catalogue number for this item is ZX-039056.
What are the formula and molar mass of 5-Chloro-2-benzimidazolone?
For 5-Chloro-2-benzimidazolone, its formula is C7H5ClN2O and its molar mass is 168.58 g/mol. The systematic (IUPAC) name is 5-chloro-1,3-dihydrobenzimidazol-2-one. InChIKey QIGIQLYKEULMQQ-UHFFFAOYSA-N lets you match it in any structure database.
How is 5-Chloro-2-benzimidazolone used in pharmaceutical QC?
5-Chloro-2-benzimidazolone is a characterised reference material linked to Domperidone. 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-Chloro-2-benzimidazolone?
The grade and assay are confirmed on the quotation and the batch COA. 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-Chloro-2-benzimidazolone?
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-Chloro-2-benzimidazolone to my country?
Yes. Because 5-Chloro-2-benzimidazolone 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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