Brimonidine EP Impurity E

Name: Brimonidine EP Impurity E
Brand: Vaqora Chemicals
SKU: VQ-021877

About Brimonidine EP Impurity E

Brimonidine EP Impurity E (CAS 168329-48-4) is a pharmacopeial impurity of Brimonidine offered by Vaqora Chemicals. The compound has the formula C9H8BrN5, corresponding to a molecular weight of 266.1 g/mol. Systematically, it is named 2-(5-bromoquinoxalin-6-yl)guanidine. Alternative names: Brimonidine Impurity E and Brimonidine - Impurity E.

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.

Pharmaceutical QC and development laboratories use this impurity standard of Brimonidine to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. 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, Brimonidine 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 Brimonidine

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

Brimonidine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Brimonidine EP Impurity E
Catalogue No.	VQ-021877
CAS Number	168329-48-4
IUPAC name	2-(5-bromoquinoxalin-6-yl)guanidine
Molecular formula	C₉H₈BrN₅
Molecular weight	266.1 g/mol
Exact mass	264.9963
Grade	Reference Standard
HSN code	38229090
InChIKey	WBGSURPVIDDDHF-UHFFFAOYSA-N
SMILES	C1=CC2=NC=CN=C2C(=C1N=C(N)N)Br
PubChem CID	14928441

Physical properties
Physical form	Solid
LogP (XLogP3)	0.4
H-bond donors / acceptors	2 / 3
TPSA	90.2 Å²
Synonyms	Brimonidine Impurity E, Brimonidine - Impurity E, Brimonidine EP Impurity E Trifluoroacetate salt, N-(5-bromoquinoxalin-6-yl)guanidine, 1-(5-Bromoquinoxalin-6-yl)guanidine, N-(5-Bromo-6-quinoxalinyl)guanidine, Guanidine, N-(5-bromo-6-quinoxalinyl)-, N-(5-Bromo-quinoxalin-6-yl)-guanidine, 5-Bromo-6-guanidinoquinoxaline

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 Brimonidine EP Impurity E?

The CAS Registry Number of Brimonidine EP Impurity E is 168329-48-4. It is also known as Brimonidine Impurity E, Brimonidine - Impurity E, Brimonidine EP Impurity E Trifluoroacetate salt.

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

Brimonidine EP Impurity E has the molecular formula C9H8BrN5 and a molecular weight of 266.1 g/mol. Its IUPAC name is 2-(5-bromoquinoxalin-6-yl)guanidine.

What is Brimonidine EP Impurity E used for?

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

We supply Brimonidine 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 Brimonidine EP Impurity E?

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

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