Cefaclor EP Impurity E

Name: Cefaclor EP Impurity E
Brand: Vaqora Chemicals
SKU: VQ-021083

About Cefaclor EP Impurity E

Listed under CAS 188915-50-6, Cefaclor EP Impurity E is a pharmacopeial impurity of Cefaclor available from Vaqora Chemicals. Its molecular formula is C14H14ClN3O4S and its molecular weight is 355.8 g/mol. Systematically, it is named (2R)-2-[[(2R)-2-amino-2-phenylacetyl]amino]-2-[(2R)-5-chloro-4-oxo-2,3-dihydro-1,3-thiazin-2-yl]acetic acid. Common synonyms include Cefaclor - Impurity E and Cefaclor Open-Ring Impurity.

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 Cefaclor impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Cefaclor EP Impurity E is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Cefaclor

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

Cefaclor impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Cefaclor EP Impurity E
Catalogue No.	VQ-021083
CAS Number	188915-50-6
IUPAC name	(2R)-2-[[(2R)-2-amino-2-phenylacetyl]amino]-2-[(2R)-5-chloro-4-oxo-2,3-dihydro-1,3-thiazin-2-yl]acetic acid
Molecular formula	C₁₄H₁₄ClN₃O₄S
Molecular weight	355.8 g/mol
Exact mass	355.0394
Grade	Reference Standard
HSN code	38229090
InChIKey	DSKNHVUKATXSCQ-GBIKHYSHSA-N
SMILES	C1=CC=C(C=C1)[C@H](C(=O)N[C@@H]([C@@H]2NC(=O)C(=CS2)Cl)C(=O)O)N
PubChem CID	166451406

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.5
H-bond donors / acceptors	4 / 6
TPSA	147 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 Cefaclor EP Impurity E?

The CAS Registry Number of Cefaclor EP Impurity E is 188915-50-6. It is also known as Cefaclor - Impurity E, Cefaclor Open-Ring Impurity, Cefaclor Impurity 94.

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

Cefaclor EP Impurity E has the molecular formula C14H14ClN3O4S and a molecular weight of 355.8 g/mol. Its IUPAC name is (2R)-2-[[(2R)-2-amino-2-phenylacetyl]amino]-2-[(2R)-5-chloro-4-oxo-2,3-dihydro-1,3-thiazin-2-yl]acetic acid.

What is Cefaclor EP Impurity E used for?

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

We supply Cefaclor 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 Cefaclor EP Impurity E?

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

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