Cefdinir 7-Epimer

Name: Cefdinir 7-Epimer
Brand: Vaqora Chemicals
SKU: VQ-022075

About Cefdinir 7-Epimer

Cefdinir 7-Epimer (CAS 178601-89-3) is an impurity of Cefdinir offered by Vaqora Chemicals. With the molecular formula C14H13N5O5S2, it has a molar mass of 395.4 g/mol. Common synonyms include Cefdinir 7-isomer and 7(S)-Cefdinir.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

This Cefdinir impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Cefdinir 7-Epimer is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Cefdinir

View every impurity, metabolite and intermediate we list for Cefdinir.

Cefdinir impurities

Specifications & identifiers

Chemical identifiers
Product name	Cefdinir 7-Epimer
Catalogue No.	VQ-022075
CAS Number	178601-89-3
IUPAC name	(6R,7S)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyiminoacetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Molecular formula	C₁₄H₁₃N₅O₅S₂
Molecular weight	395.4 g/mol
Exact mass	395.0358
Grade	Reference Standard
HSN code	38229090
InChIKey	RTXOFQZKPXMALH-JQISMDCNSA-N
SMILES	C=CC1=C(N2[C@@H]([C@H](C2=O)NC(=O)/C(=N\O)/C3=CSC(=N3)N)SC1)C(=O)O
PubChem CID	87792518

Physical properties
Physical form	Solid
H-bond donors / acceptors	4 / 10
TPSA	212 Å²

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Cefdinir 7-Epimer?

The CAS Registry Number of Cefdinir 7-Epimer is 178601-89-3. It is also known as Cefdinir 7-isomer, 7(S)-Cefdinir, Cefdinir, 7(S)-.

What is the molecular formula and molecular weight of Cefdinir 7-Epimer?

Cefdinir 7-Epimer has the molecular formula C14H13N5O5S2 and a molecular weight of 395.4 g/mol. Its IUPAC name is (6R,7S)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyiminoacetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid.

What is Cefdinir 7-Epimer used for?

Cefdinir 7-Epimer is supplied as a characterised reference material related to Cefdinir. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Cefdinir 7-Epimer can I order?

We supply Cefdinir 7-Epimer in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Cefdinir 7-Epimer?

Yes. Every lot of Cefdinir 7-Epimer is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Cefdinir 7-Epimer be shipped internationally?

Yes. We export Cefdinir 7-Epimer worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.