Cefalexin Impurity 1

Name: Cefalexin Impurity 1
Brand: Vaqora Chemicals
SKU: VQ-036182

About Cefalexin Impurity 1

Listed under CAS 65870-51-1, Cefalexin Impurity 1 is an impurity of Cefalexin available from Vaqora Chemicals. With the molecular formula C11H11N3O2, it has a molar mass of 217.22 g/mol. The IUPAC name is 3-(aminomethylidene)-6-phenylpiperazine-2,5-dione. It is also known as Cefalexin Impurity 45.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Cefalexin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Cefalexin Impurity 1 in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Cefalexin

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

Cefalexin impurities

Specifications & identifiers

Chemical identifiers
Product name	Cefalexin Impurity 1
Catalogue No.	VQ-036182
CAS Number	65870-51-1
IUPAC name	3-(aminomethylidene)-6-phenylpiperazine-2,5-dione
Molecular formula	C₁₁H₁₁N₃O₂
Molecular weight	217.22 g/mol
Exact mass	217.0851
Grade	Reference Standard
HSN code	38229090
InChIKey	HLLOSDFSDKAWTR-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)C2C(=O)NC(=CN)C(=O)N2
PubChem CID	71370055

Physical properties
Physical form	Solid
LogP (XLogP3)	0.5
H-bond donors / acceptors	3 / 3
TPSA	84.2 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 Cefalexin Impurity 1?

The CAS Registry Number of Cefalexin Impurity 1 is 65870-51-1. It is also known as 3-(Aminomethylene)-6-phenyl-2,5-piperazinedione, 2,5-Piperazinedione, 3-(aminomethylene)-6-phenyl-, Cefalexin Impurity 45.

What is the molecular formula and molecular weight of Cefalexin Impurity 1?

Cefalexin Impurity 1 has the molecular formula C11H11N3O2 and a molecular weight of 217.22 g/mol. Its IUPAC name is 3-(aminomethylidene)-6-phenylpiperazine-2,5-dione.

What is Cefalexin Impurity 1 used for?

Cefalexin Impurity 1 is supplied as a characterised reference material related to Cefalexin. 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 Cefalexin Impurity 1 can I order?

We supply Cefalexin Impurity 1 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 Cefalexin Impurity 1?

Yes. Every lot of Cefalexin Impurity 1 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 Cefalexin Impurity 1 be shipped internationally?

Yes. We export Cefalexin Impurity 1 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.