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Pharmacopeial Impurities (EP / USP / BP)

Cimetidine EP Impurity E

Reference StandardAvailable on request

Cimetidine EP Impurity E (CAS 54237-72-8) supplier Zemixal: C10H16N6OS, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-020210.

Pack sizes
Cimetidine EP Impurity E chemical structure
CAS number54237-72-8
FormulaC10H16N6OS
Molar mass268.34 g/mol
Physical formSolid
HS code38229090
InChIKeyHOJLJLYVNQFCRE-UHFFFAOYSA-N
IUPAC name1-cyano-2-methyl-3-[2-[(5-methyl-1H-imidazol-4-yl)methylsulfinyl]ethyl]guanidine

About Cimetidine EP Impurity E

Zemixal lists Cimetidine EP Impurity E for laboratories that identify, quantify or control Cimetidine and its related substances. Key data (Reference Standard): CAS 54237-72-8, formula C10H16N6OS and molar mass 268.34 g/mol. It is handled as a solid.

Where it is used

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Handling and storage

Hazard communication follows GHS (Danger: H351, H360 and H361). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Cimetidine

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

Cimetidine standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Cimetidine EP Impurity E
Product nameCimetidine EP Impurity E
Catalogue numberZX-020210
CAS number54237-72-8
IUPAC name1-cyano-2-methyl-3-[2-[(5-methyl-1H-imidazol-4-yl)methylsulfinyl]ethyl]guanidine
Molecular formulaC10H16N6OS
Molar mass268.34 g/mol
Exact mass268.1106
GradeReference Standard
Physical formSolid
XLogP3-1.1
H-bond donors / acceptors3 / 5
Topological polar surface area125 Ų
HS code38229090
InChIKeyHOJLJLYVNQFCRE-UHFFFAOYSA-N
SMILESCC1=C(N=CN1)CS(=O)CCNC(=NC)NC#N
PubChem CID62949
SynonymsCimetidine Hydrochloride - Impurity E, Cimetidine sulfoxide, 1-cyano-2-methyl-3-(2-(((4-methyl-1H-imidazol-5-yl)methyl)sulfinyl)ethyl)guanidine, Guanidine, N''-cyano-N-methyl-N'-(2-(((5-methyl-1H-imidazol-4-yl)methyl)sulfinyl)ethyl)-, cimetidine S-oxide, 1-Cyano-3-methyl-2-(2-(((4-methyl-1H-imidazol-5-yl)methyl)sulfinyl)ethyl)guanidine, Cimetidine sulfoxide, (+)-, (-)-Cimetidine S-oxide, Cimetidine sulfoxide, (-)-, 2-cyano-1-methyl-3-(2-{[(5-methyl-1H-imidazol-4-yl)methyl]sulfinyl}ethyl)guanidine, 2-Cyano-1-methyl-3-[2-[[(5-methyl-1H-imidazol-4-yl)methyl]sulfinyl]-ethyl]guanidine, Cimetidine impurity E

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

Safety and GHS hazards

GHS08 Health hazard
Health hazard

Signal word Danger

  • H351Suspected of causing cancer
  • H360May damage fertility or the unborn child
  • H361Suspected of damaging fertility or the unborn child

Precautionary statements P203, P280, P318, 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 Cimetidine EP Impurity E
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 Cimetidine EP Impurity E

Which CAS number identifies Cimetidine EP Impurity E?
Cimetidine EP Impurity E is registered under CAS 54237-72-8. You may also see it listed as Cimetidine Hydrochloride - Impurity E, Cimetidine sulfoxide, 1-cyano-2-methyl-3-(2-(((4-methyl-1H-imidazol-5-yl)methyl)sulfinyl)ethyl)guanidine. Our catalogue number for this item is ZX-020210.
What are the formula and molar mass of Cimetidine EP Impurity E?
For Cimetidine EP Impurity E, its formula is C10H16N6OS and its molar mass is 268.34 g/mol. The systematic (IUPAC) name is 1-cyano-2-methyl-3-[2-[(5-methyl-1H-imidazol-4-yl)methylsulfinyl]ethyl]guanidine. InChIKey HOJLJLYVNQFCRE-UHFFFAOYSA-N lets you match it in any structure database.
How is Cimetidine EP Impurity E used in pharmaceutical QC?
Cimetidine EP Impurity E is a characterised reference material linked to Cimetidine. 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 Cimetidine EP Impurity E?
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 Cimetidine EP Impurity E?
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 Cimetidine EP Impurity E to my country?
Yes. Because Cimetidine EP Impurity E 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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