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Pharmacopeial Impurities (EP / USP / BP)

Brimonidine EP Impurity A

Reference StandardAvailable on request

Order Brimonidine EP Impurity A (CAS 91147-43-2) online at Zemixal. Request a quote with price, lead time and documents.

Pack sizes
Brimonidine EP Impurity A chemical structure
CAS number91147-43-2
FormulaC11H11N5
Molar mass213.24 g/mol
Physical formSolid
HS code38229090
InChIKeyPVKUNRLEOHFACD-UHFFFAOYSA-N
IUPAC nameN-(4,5-dihydro-1H-imidazol-2-yl)quinoxalin-6-amine

About Brimonidine EP Impurity A

Brimonidine EP Impurity A is supplied by Zemixal as a characterised reference material for Brimonidine analysis. Identity at a glance (Reference Standard): CAS 91147-43-2, formula C11H11N5 and molar mass 213.24 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Handling and storage

Classified under GHS with signal word Warning and hazard statements H302, H315, H319 and H335. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Brimonidine

See every impurity, metabolite and related compound we list for this API.

Brimonidine standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Brimonidine EP Impurity A
Product nameBrimonidine EP Impurity A
Catalogue numberZX-020044
CAS number91147-43-2
IUPAC nameN-(4,5-dihydro-1H-imidazol-2-yl)quinoxalin-6-amine
Molecular formulaC11H11N5
Molar mass213.24 g/mol
Exact mass213.1014
GradeReference Standard
Physical formSolid
XLogP3-0.1
H-bond donors / acceptors2 / 3
Topological polar surface area62.2 Ų
HS code38229090
InChIKeyPVKUNRLEOHFACD-UHFFFAOYSA-N
SMILESC1CN=C(N1)NC2=CC3=NC=CN=C3C=C2
PubChem CID10198248
SynonymsDesbromo 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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Brimonidine EP Impurity A
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Brimonidine EP Impurity A

Which CAS number identifies Brimonidine EP Impurity A?
Brimonidine EP Impurity A is registered under CAS 91147-43-2. You may also see it listed as Desbromo Brimonidine, Brimonidine Impurity A, Brimonidine - Impurity A. Our catalogue number for this item is ZX-020044.
What are the formula and molar mass of Brimonidine EP Impurity A?
For Brimonidine EP Impurity A, its formula is C11H11N5 and its molar mass is 213.24 g/mol. The systematic (IUPAC) name is N-(4,5-dihydro-1H-imidazol-2-yl)quinoxalin-6-amine. InChIKey PVKUNRLEOHFACD-UHFFFAOYSA-N lets you match it in any structure database.
How is Brimonidine EP Impurity A used in pharmaceutical QC?
Brimonidine EP Impurity A is a characterised reference material linked to Brimonidine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Brimonidine EP Impurity A?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Brimonidine EP Impurity A?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Brimonidine EP Impurity A to my country?
Yes. Because Brimonidine EP Impurity A is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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