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Pharmacopeial Impurities (EP / USP / BP)

Ceftriaxone EP Impurity C

Reference StandardAvailable on request

Buy Ceftriaxone EP Impurity C (CAS 58909-39-0) from Zemixal: C4H5N3O2S, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-020169.

Pack sizes
Ceftriaxone EP Impurity C chemical structure
CAS number58909-39-0
FormulaC4H5N3O2S
Molar mass159.17 g/mol
Physical formSolid
HS code38229090
InChIKeyUMWWHOXOVPIGFD-UHFFFAOYSA-N
IUPAC name2-methyl-3-sulfanylidene-1,2,4-triazinane-5,6-dione

About Ceftriaxone EP Impurity C

Ceftriaxone EP Impurity C belongs to the Ceftriaxone reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 58909-39-0, formula C4H5N3O2S and molar mass 159.17 g/mol. It is handled as a solid.

Where it is used

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

Storage and safety notes

Hazard communication follows GHS (Warning: H319). 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. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Ceftriaxone

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

Ceftriaxone 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 Ceftriaxone EP Impurity C
Product nameCeftriaxone EP Impurity C
Catalogue numberZX-020169
CAS number58909-39-0
IUPAC name2-methyl-3-sulfanylidene-1,2,4-triazinane-5,6-dione
Molecular formulaC4H5N3O2S
Molar mass159.17 g/mol
Exact mass159.0102
GradeReference Standard
Physical formSolid
XLogP3-0.4
H-bond donors / acceptors2 / 3
Topological polar surface area93.5 Ų
HS code38229090
InChIKeyUMWWHOXOVPIGFD-UHFFFAOYSA-N
SMILESCN1C(=S)NC(=O)C(=O)N1
PubChem CID3034640
SynonymsThiotriazinone, Ceftriaxone Sodium - Impurity C, Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione, 2-Methyl-3-sulfanyl-1,2-dihydro-1,2,4-triazine-5,6-dione, Ceftriaxone Impurity C, 2-Methyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazine-3-thiol, 2-methyl-3-thioxo-1,2,4-triazinane-5,6-dione, 1,2,4-Triazin-2-methyl-6-hydroxy-3-thio-5-one, 2,5-Dihydro-6-Hydroxy-3-Mercapto-2-Methyl-5-Oxo-1,2,4-Triazine, 3-mercapto-2-methyl-1,2-dihydro-1,2,4-triazine-5,6-dione, 1,2,4-Triazine-5,6-dione, tetrahydro-2-methyl-3-thioxo-, 2-methyl-3-thioxo-1,2,4-triazaperhydroine-5,6-dione

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

  • H319Causes serious eye irritation

Precautionary statements P264 + P265, P280, P305 + P351 + P338, P337 + P317

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 Ceftriaxone EP Impurity C
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 Ceftriaxone EP Impurity C

Which CAS number identifies Ceftriaxone EP Impurity C?
Ceftriaxone EP Impurity C is registered under CAS 58909-39-0. You may also see it listed as Thiotriazinone, Ceftriaxone Sodium - Impurity C, Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione. Our catalogue number for this item is ZX-020169.
What are the formula and molar mass of Ceftriaxone EP Impurity C?
For Ceftriaxone EP Impurity C, its formula is C4H5N3O2S and its molar mass is 159.17 g/mol. The systematic (IUPAC) name is 2-methyl-3-sulfanylidene-1,2,4-triazinane-5,6-dione. InChIKey UMWWHOXOVPIGFD-UHFFFAOYSA-N lets you match it in any structure database.
How is Ceftriaxone EP Impurity C used in pharmaceutical QC?
Ceftriaxone EP Impurity C is a characterised reference material linked to Ceftriaxone. 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 Ceftriaxone EP Impurity C?
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 Ceftriaxone EP Impurity C?
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 Ceftriaxone EP Impurity C to my country?
Yes. Because Ceftriaxone EP Impurity C 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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