Cefadroxil EP Impurity E

Name: Cefadroxil EP Impurity E
Brand: Vaqora Chemicals
SKU: VQ-022053

About Cefadroxil EP Impurity E

Cefadroxil EP Impurity E (CAS 147103-93-3) is a pharmacopeial impurity of Cefprozil offered by Vaqora Chemicals. The compound has the formula C11H11N3O3, corresponding to a molecular weight of 233.22 g/mol. Its systematic (IUPAC) name is (3E)-3-(aminomethylidene)-6-(4-hydroxyphenyl)piperazine-2,5-dione. Common synonyms include Cefprozil EP Impurity C and Cefprozil EP Impurity E.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Cefprozil impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Cefadroxil EP Impurity E in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Cefprozil

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

Cefprozil impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Cefadroxil EP Impurity E
Catalogue No.	VQ-022053
CAS Number	147103-93-3
IUPAC name	(3E)-3-(aminomethylidene)-6-(4-hydroxyphenyl)piperazine-2,5-dione
Molecular formula	C₁₁H₁₁N₃O₃
Molecular weight	233.22 g/mol
Exact mass	233.08
Grade	Reference Standard
HSN code	38229090
InChIKey	OUXGVNPOYJAFHP-VMPITWQZSA-N
SMILES	C1=CC(=CC=C1C2C(=O)N/C(=C/N)/C(=O)N2)O
PubChem CID	139032782

Physical properties
Physical form	Solid
LogP (XLogP3)	0.2
H-bond donors / acceptors	4 / 4
TPSA	104 Å²
Synonyms	Cefprozil EP Impurity C, Cefprozil EP Impurity E, Cefprozil Monohydrate EP Impurity C, Cefadroxil - Impurity E, Cefadroxil Impurity E, Cefprozil Impurity C, 3-(Aminomethylene)-6-(4-hydroxyphenyl)piperazine-2,5-dione, (3E)-3-(aminomethylene)-6-(4-hydroxyphenyl)piperazine-2,5-dione, (E)-3-(aminomethylene)-6-(4-hydroxyphenyl)piperazine-2,5-dione

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 Cefadroxil EP Impurity E?

The CAS Registry Number of Cefadroxil EP Impurity E is 147103-93-3. It is also known as Cefprozil EP Impurity C, Cefprozil EP Impurity E, Cefprozil Monohydrate EP Impurity C.

What is the molecular formula and molecular weight of Cefadroxil EP Impurity E?

Cefadroxil EP Impurity E has the molecular formula C11H11N3O3 and a molecular weight of 233.22 g/mol. Its IUPAC name is (3E)-3-(aminomethylidene)-6-(4-hydroxyphenyl)piperazine-2,5-dione.

What is Cefadroxil EP Impurity E used for?

Cefadroxil EP Impurity E is supplied as a characterised reference material related to Cefprozil. 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 Cefadroxil EP Impurity E can I order?

We supply Cefadroxil EP Impurity E 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 Cefadroxil EP Impurity E?

Yes. Every lot of Cefadroxil EP Impurity E 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 Cefadroxil EP Impurity E be shipped internationally?

Yes. We export Cefadroxil EP Impurity E worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.