Brimonidine EP Impurity A

Name: Brimonidine EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-020987

About Brimonidine EP Impurity A

Listed under CAS 91147-43-2, Brimonidine EP Impurity A is a pharmacopeial impurity of Brimonidine available from Vaqora Chemicals. Its molecular formula is C11H11N5 and its molecular weight is 213.24 g/mol. Its systematic (IUPAC) name is N-(4,5-dihydro-1H-imidazol-2-yl)quinoxalin-6-amine. Common synonyms include Desbromo Brimonidine and Brimonidine Impurity A.

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. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

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.

We offer Brimonidine EP Impurity A 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 Brimonidine

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

Brimonidine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Brimonidine EP Impurity A
Catalogue No.	VQ-020987
CAS Number	91147-43-2
IUPAC name	N-(4,5-dihydro-1H-imidazol-2-yl)quinoxalin-6-amine
Molecular formula	C₁₁H₁₁N₅
Molecular weight	213.24 g/mol
Exact mass	213.1014
Grade	Reference Standard
HSN code	38229090
InChIKey	PVKUNRLEOHFACD-UHFFFAOYSA-N
SMILES	C1CN=C(N1)NC2=CC3=NC=CN=C3C=C2
PubChem CID	10198248

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.1
H-bond donors / acceptors	2 / 3
TPSA	62.2 Å²
Synonyms	Desbromo Brimonidine, Brimonidine Impurity A, Brimonidine - Impurity A, Desbromobrimonidine, N-(Imidazolidin-2-ylidene)quinoxalin-6-amine, 6-Quinoxalinamine, N-(4,5-dihydro-1H-imidazol-2-yl)-, N-(Quinoxalin-6-yl)imidazolidin-2-imine, N-(4,5-Dihydro-2-imidazolyl)quinoxalin-6-amine

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 A?

The CAS Registry Number of Brimonidine EP Impurity A is 91147-43-2. It is also known as Desbromo Brimonidine, Brimonidine Impurity A, Brimonidine - Impurity A.

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

Brimonidine EP Impurity A has the molecular formula C11H11N5 and a molecular weight of 213.24 g/mol. Its IUPAC name is N-(4,5-dihydro-1H-imidazol-2-yl)quinoxalin-6-amine.

What is Brimonidine EP Impurity A used for?

Brimonidine EP Impurity A 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 A can I order?

We supply Brimonidine EP Impurity A 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 A?

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

Yes. Brimonidine EP Impurity A is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.