2-Bromo-5H-Pyrrolo[2,3-b]Pyrazine

Name: 2-Bromo-5H-Pyrrolo[2,3-b]Pyrazine
Brand: Vaqora Chemicals
SKU: VQ-032904

About 2-Bromo-5H-Pyrrolo[2,3-b]Pyrazine

Listed under CAS 875781-43-4, 2-Bromo-5H-Pyrrolo[2,3-b]Pyrazine is an impurity of Upadacitinib available from Vaqora Chemicals. Its molecular formula is C6H4BrN3 and its molecular weight is 198.02 g/mol. Alternative names: 5-Bromo-4,7-diazaindole and 2-bromo-5H-pyrrolo[3,2-b]pyrazine.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of Upadacitinib 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 2-Bromo-5H-Pyrrolo[2,3-b]Pyrazine 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 Upadacitinib

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

Upadacitinib impurities

Specifications & identifiers

Chemical identifiers
Product name	2-Bromo-5H-Pyrrolo[2,3-b]Pyrazine
Catalogue No.	VQ-032904
CAS Number	875781-43-4
IUPAC name	2-bromo-5H-pyrrolo[2,3-b]pyrazine
Molecular formula	C₆H₄BrN₃
Molecular weight	198.02 g/mol
Exact mass	196.9589
Grade	Reference Standard
HSN code	38229090
InChIKey	KTKMLXBEBKGQGL-UHFFFAOYSA-N
SMILES	C1=CNC2=NC=C(N=C21)Br
PubChem CID	25067308

Physical properties
Physical form	Solid
LogP (XLogP3)	1.4
H-bond donors / acceptors	1 / 2
TPSA	41.6 Å²
Synonyms	5-Bromo-4,7-diazaindole, 2-bromo-5H-pyrrolo[3,2-b]pyrazine, 5H-Pyrrolo[2,3-b]pyrazine, 2-bromo-, 4H-Pyrrolo[2,3-b]pyrazine, 2-bromo-, 5-methyl-3-pyridine-1H-pyrazole, 2-bromanyl-5H-pyrrolo[2,3-b]pyrazine, 2-Bromo-4H-pyrrolo[2,3-b]pyrazine, 1H-Pyrrolo[2,3-b]pyrazine, 2-bromo-

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 2-Bromo-5H-Pyrrolo[2,3-b]Pyrazine?

The CAS Registry Number of 2-Bromo-5H-Pyrrolo[2,3-b]Pyrazine is 875781-43-4. It is also known as 5-Bromo-4,7-diazaindole, 2-bromo-5H-pyrrolo[3,2-b]pyrazine, 5H-Pyrrolo[2,3-b]pyrazine, 2-bromo-.

What is the molecular formula and molecular weight of 2-Bromo-5H-Pyrrolo[2,3-b]Pyrazine?

2-Bromo-5H-Pyrrolo[2,3-b]Pyrazine has the molecular formula C6H4BrN3 and a molecular weight of 198.02 g/mol. Its IUPAC name is 2-bromo-5H-pyrrolo[2,3-b]pyrazine.

What is 2-Bromo-5H-Pyrrolo[2,3-b]Pyrazine used for?

2-Bromo-5H-Pyrrolo[2,3-b]Pyrazine is supplied as a characterised reference material related to Upadacitinib. 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 2-Bromo-5H-Pyrrolo[2,3-b]Pyrazine can I order?

We supply 2-Bromo-5H-Pyrrolo[2,3-b]Pyrazine 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 2-Bromo-5H-Pyrrolo[2,3-b]Pyrazine?

Yes. Every lot of 2-Bromo-5H-Pyrrolo[2,3-b]Pyrazine 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 2-Bromo-5H-Pyrrolo[2,3-b]Pyrazine be shipped internationally?

Yes. We export 2-Bromo-5H-Pyrrolo[2,3-b]Pyrazine worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.