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VAQORACHEMICALS
API ImpuritiesReference StandardAvailable on request

(3R,4S)-1-((Benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylic acid

Synonyms: 1,3-Pyrrolidinedicarboxylic acid, 4-ethyl-, 1-(phenylmethyl) ester, (3R,4S)- · rel-(3R,4S)-1-[(Benzyloxy)carbonyl]-4-ethylpyrrolidine-3-carboxylic acid · cis-1-benzyloxycarbonyl-4-ethyl-pyrrolidine-3-carboxylic acid · Cis-1-((benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylicacid

CAS No.1428243-24-6
FormulaC15H19NO4
Mol. weight277.31
Catalogue No.VQ-034489
PurityReference Standard
HSN38229090

(3R,4S)-1-((Benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylic acid (CAS 1428243-24-6) – Upadacitinib impurity standard. C15H19NO4, MW 277.31. COA included.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
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16-section GHS SDS
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DG-compliant packing

About (3R,4S)-1-((Benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylic acid

(3R,4S)-1-((Benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylic acid (CAS 1428243-24-6) is an impurity of Upadacitinib offered by Vaqora Chemicals. Its molecular formula is C15H19NO4 and its molecular weight is 277.31 g/mol. Systematically, it is named (3R,4S)-4-ethyl-1-phenylmethoxycarbonylpyrrolidine-3-carboxylic acid.

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. 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. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

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Related to Upadacitinib

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

Upadacitinib impurities

Specifications & identifiers

Chemical identifiers
Product name(3R,4S)-1-((Benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylic acid
Catalogue No.VQ-034489
CAS Number1428243-24-6
IUPAC name(3R,4S)-4-ethyl-1-phenylmethoxycarbonylpyrrolidine-3-carboxylic acid
Molecular formulaC15H19NO4
Molecular weight277.31 g/mol
Exact mass277.1314
GradeReference Standard
HSN code38229090
InChIKeyLKPALAXKZXXURJ-OLZOCXBDSA-N
SMILESCC[C@@H]1CN(C[C@@H]1C(=O)O)C(=O)OCC2=CC=CC=C2
PubChem CID89439875
Physical properties
Physical formSolid
LogP (XLogP3)2.1
H-bond donors / acceptors1 / 4
TPSA66.8 Ų
Synonyms1,3-Pyrrolidinedicarboxylic acid, 4-ethyl-, 1-(phenylmethyl) ester, (3R,4S)-, rel-(3R,4S)-1-[(Benzyloxy)carbonyl]-4-ethylpyrrolidine-3-carboxylic acid, cis-1-benzyloxycarbonyl-4-ethyl-pyrrolidine-3-carboxylic acid, Cis-1-((benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylicacid, (3R,4S)-1-Cbz-4-ethylpyrrolidine-3-carboxylic Acid, rel-(3R,4S)-1-((benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylic acid, (3R,4S)-1-((benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylate, cis-1-Cbz-4-ethylpyrrolidine-3-carboxylic Acid, (3R,4S)-1-[(benzyloxy)carbonyl]-4-ethylpyrrolidine-3-carbo

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Frequently asked questions

What is the CAS number of (3R,4S)-1-((Benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylic acid?

The CAS Registry Number of (3R,4S)-1-((Benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylic acid is 1428243-24-6. It is also known as 1,3-Pyrrolidinedicarboxylic acid, 4-ethyl-, 1-(phenylmethyl) ester, (3R,4S)-, rel-(3R,4S)-1-[(Benzyloxy)carbonyl]-4-ethylpyrrolidine-3-carboxylic acid, cis-1-benzyloxycarbonyl-4-ethyl-pyrrolidine-3-carboxylic acid.

What is the molecular formula and molecular weight of (3R,4S)-1-((Benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylic acid?

(3R,4S)-1-((Benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylic acid has the molecular formula C15H19NO4 and a molecular weight of 277.31 g/mol. Its IUPAC name is (3R,4S)-4-ethyl-1-phenylmethoxycarbonylpyrrolidine-3-carboxylic acid.

What is (3R,4S)-1-((Benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylic acid used for?

(3R,4S)-1-((Benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylic acid 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 (3R,4S)-1-((Benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylic acid can I order?

We supply (3R,4S)-1-((Benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylic acid 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 (3R,4S)-1-((Benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylic acid?

Yes. Every lot of (3R,4S)-1-((Benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylic acid 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 (3R,4S)-1-((Benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylic acid be shipped internationally?

Yes. We export (3R,4S)-1-((Benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylic acid worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.

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