Rel-Benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylp… 2304514-60-9

Name: Rel-Benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate
Brand: Vaqora Chemicals
SKU: VQ-028588

About Rel-Benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate

Vaqora Chemicals supplies Rel-Benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate, an impurity of Upadacitinib registered under CAS number 2304514-60-9. Formula C16H20BrNO3, molecular weight 354.24 g/mol. The IUPAC name is benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate.

The product is provided 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.

This Upadacitinib impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Rel-Benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

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	Rel-Benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate
Catalogue No.	VQ-028588
CAS Number	2304514-60-9
IUPAC name	benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate
Molecular formula	C₁₆H₂₀BrNO₃
Molecular weight	354.24 g/mol
Exact mass	353.0627
Grade	Reference Standard
HSN code	38229090
InChIKey	QEFUCTKHMXMWRF-KBPBESRZSA-N
SMILES	CC[C@H]1CN(C[C@@H]1C(=O)CBr)C(=O)OCC2=CC=CC=C2
PubChem CID	129411955

Physical properties
Physical form	Solid
LogP (XLogP3)	3
H-bond donors / acceptors	0 / 3
TPSA	46.6 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 Rel-Benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate?

The CAS Registry Number of Rel-Benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate is 2304514-60-9. It is also known as Benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate, rel-, 1-Pyrrolidinecarboxylic acid, 3-(2-bromoacetyl)-4-ethyl-, phenylmethyl ester, (3R,4R)-rel-, rel-Phenylmethyl (3R,4R)-3-(2-bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylate.

What is the molecular formula and molecular weight of Rel-Benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate?

Rel-Benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate has the molecular formula C16H20BrNO3 and a molecular weight of 354.24 g/mol. Its IUPAC name is benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate.

What is Rel-Benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate used for?

Rel-Benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate 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 Rel-Benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate can I order?

We supply Rel-Benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate 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 Rel-Benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate?

Yes. Every lot of Rel-Benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate 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 Rel-Benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate be shipped internationally?

Yes. We export Rel-Benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.