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Pharmacopeial Impurities (EP / USP / BP)

Famotidine EP Impurity B (Dimaleate Salt)

Reference StandardAvailable on request

Buy Famotidine EP Impurity B (Dimaleate Salt) (CAS 109467-08-5) from Zemixal: C20H27N11O6S5, COA and SDS with every lot, worldwide shipping.

Pack sizes
Famotidine EP Impurity B (Dimaleate Salt) chemical structure
CAS number109467-08-5
FormulaC20H27N11O6S5
Molar mass677.8 g/mol
Physical formSolid
HS code38229090
InChIKeyIEVKHYDCIOJLOC-BTJKTKAUSA-N
IUPAC name(Z)-but-2-enedioic acid;2-[4-[2-[5-[2-[[2-(diaminomethylideneamino)-1,3-thiazol-4-yl]methylsulfanyl]ethyl]-1,1-dioxo-4H-1,2,4,6-thiatriazin-3-yl]ethylsulfanylmethyl]-1,3-thiazol-2-yl]guanidine

About Famotidine EP Impurity B (Dimaleate Salt)

Zemixal lists Famotidine EP Impurity B (Dimaleate Salt) for laboratories that identify, quantify or control Famotidine and its related substances. Key data (Reference Standard): CAS 109467-08-5, formula C20H27N11O6S5 and molar mass 677.8 g/mol. It is handled as a solid.

Typical applications

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

Safe handling

Hazard communication follows GHS (Warning: H302). 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. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Famotidine

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

Famotidine 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 Famotidine EP Impurity B (Dimaleate Salt)
Product nameFamotidine EP Impurity B (Dimaleate Salt)
Catalogue numberZX-005701
CAS number109467-08-5
Other CAS numbers89268-62-2
IUPAC name(Z)-but-2-enedioic acid;2-[4-[2-[5-[2-[[2-(diaminomethylideneamino)-1,3-thiazol-4-yl]methylsulfanyl]ethyl]-1,1-dioxo-4H-1,2,4,6-thiatriazin-3-yl]ethylsulfanylmethyl]-1,3-thiazol-2-yl]guanidine
Molecular formulaC20H27N11O6S5
Molar mass677.8 g/mol
Exact mass677.0749
GradeReference Standard
Physical formSolid
H-bond donors / acceptors7 / 16
Topological polar surface area416 Ų
HS code38229090
InChIKeyIEVKHYDCIOJLOC-BTJKTKAUSA-N
SMILESC1=C(N=C(S1)N=C(N)N)CSCCC2=NS(=O)(=O)N=C(N2)CCSCC3=CSC(=N3)N=C(N)N.C(=C\C(=O)O)\C(=O)O
PubChem CID168443490

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

  • H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, 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 Famotidine EP Impurity B (Dimaleate Salt)
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 Famotidine EP Impurity B (Dimaleate Salt)

Which CAS number identifies Famotidine EP Impurity B (Dimaleate Salt)?
Famotidine EP Impurity B (Dimaleate Salt) is registered under CAS 109467-08-5. Our catalogue number for this item is ZX-005701.
What are the formula and molar mass of Famotidine EP Impurity B (Dimaleate Salt)?
For Famotidine EP Impurity B (Dimaleate Salt), its formula is C20H27N11O6S5 and its molar mass is 677.8 g/mol. InChIKey IEVKHYDCIOJLOC-BTJKTKAUSA-N lets you match it in any structure database.
How is Famotidine EP Impurity B (Dimaleate Salt) used in pharmaceutical QC?
Famotidine EP Impurity B (Dimaleate Salt) is a characterised reference material linked to Famotidine. 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 Famotidine EP Impurity B (Dimaleate Salt)?
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 Famotidine EP Impurity B (Dimaleate Salt)?
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 Famotidine EP Impurity B (Dimaleate Salt) to my country?
Yes. Because Famotidine EP Impurity B (Dimaleate Salt) 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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