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Home > Analytical Chemistry > Standard > (3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylic acid phenylmethyl ester for Sale > Upadacitinib Impurity 14-- (3R,4S)-benzyl 3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate
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Upadacitinib Impurity 14-- (3R,4S)-benzyl 3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate buy - image1
Upadacitinib Impurity 14-- (3R,4S)-benzyl 3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate buy - image2

Upadacitinib Impurity 14-- (3R,4S)-benzyl 3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate

5 Inquiries

Unit Price: Get Latest Price
CAS No.:

1428243-26-8

Grade:

Pharmaceutical Grade

Content:

90%

Port:

Shanghai Port or Shenzhen Port

Brand:

H&D

Packaging:

A temperature-controlled box with a capacity of up to 10g

Price valid (until):

2025-01-26

Company Type:
Manufactory
Location:
China
Payment Terms:
TT against copy of documents,100% TT in advance
Average Lead Time:
150 days
Qualification:
Main Products:

Drug impurity reference,Impurity reference,Reference substance,impurity

  • Product Details

  • Seller Information

  • Inquiry History

  • Description

    Impurities in Upatinib 14
    Item number:
    U003014
    English name:
    Upadacitinib Impurity 14
    synonym:
    (3R,4S)-benzyl 3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate
    CAS Number:
    1428243-26-8
    Molecular formula:
    C16H20BrNO3
    Molecular weight:
    three hundred and fifty-four point two four

    Storage conditions: Low temperature storage.
    Product specifications: 10mg/25mg/50mg/100mg.
    Purity:> 95%.


    Purpose: For the research and experimental use of new drugs.
    The company's standard configuration includes COA, HPLC, H-NMR, and MS to meet basic requirements. Enterprises can conduct additional C-NMR testing according to their own needs TGA、QNMR、IR、UV、 Two dimensional spectra, etc. Suitable for drug analysis and quality control. Spot supply, excellent quality, complete map, welcome to consult!
    More impurities in stock include: Atracum impurity, Carbidopa impurity, Cetirizine impurity, Ciprofloxacin impurity, Clarithromycin impurity, Clindamycin impurity, Daphnexin impurity, Dexamethasone impurity, Enalapril impurity, Iprenone impurity, Enrofloxacin impurity, Famotidine impurity, Fluticasone impurity, Gremeprazole impurity, Hydrochlorothiazide impurity, Hydroxyzine hydrochloride impurity, Ipanolide impurity, Etobicolor impurity, Ketorolac impurity, Lansoprazole impurity, Levofloxacin impurity, Loratadine impurity, Lacidipine impurity, Lamifudine impurity, Mycophenolate acid impurity, Montelukast impurity, Methotrexate impurity, Miconazole impurity, Moxifloxacin impurity, Metformin impurity. Loxicam impurities, meropenem impurities, norfloxacin impurities, nimesulide impurities, minocycline impurities Uridine diphosphate choline impurity, levocetirizine impurity, lupatadine impurity, milobalin impurity, pantoprazole impurity, eltrombopag impurity, marvacaite impurity, baritinib impurity, ibrutinib impurity, nebivolol impurity, durutegravir impurity, landivolol impurity, probucol impurity, bisoprolol impurity, salbutamol impurity, azuron impurity, dexamethasone impurity, bromocriptine impurity, Upatinib impurity, bumetanib impurity, alamod impurity, avatrobopag impurity, probucol impurity, bipipene impurity, rifampicin impurity, loratadine impurity, and so on. If you have inquiries or purchasing needs for impurities in stock, please feel free to contact: +86 13986652530 (Manager Zhang) QQ: 2851922763 Spot supply, with excellent quality and complete spectrum. Welcome to consult!

    Name: Weiyue Zhang

    Phone Number: +86 139 8665 2530

    WeChat ID : 13986652530

    ECHEMI Editorial Reference
    Benzyl (3R,4S)-3-(2-bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylate is extremely sensitive to pH, and the color characteristics of benzyl (3R,4S)-3-(2-bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylate vary considerably at different pH values, and it exists and exhibits a red color mainly in the form of a molten salt ion when the aqueous pH is below 2, and it exhibits a red color when the pH is in the weak acidic range. pH is in the weakly acidic range, benzyl (3R,4S)-3-(2-bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylate exists in the form of a colorless methanolic pseudobasic or hemiacetal form, and as the aqueous solution progressively approaches neutrality, benzyl (3R,4S)-3-(2-bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylate deprotonates to a quinone base, and may also ring-open to the chalcone form.

    Basic Info
    Product Name:

    (3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylic acid phenylmethyl ester

    Other Name:

    intermediate of abt594;Upadacitinib intermediate5;Upadacitinib intermediate;(3R,4S)-3-(2-Bromoacetyl)-4-ethylpyrrolidine-1-carboxylate;(3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylic ac...;(3R,4S)-3-(2-bromoacetyl)-4-ethyl-1-Pyrrolidinecarbox;Upadacitinib Intermediate1;1428243-26-8

    CAS No.:

    1428243-26-8

    Molecular Formula:

    C16H20BrNO3

    InChIKeys:

    QEFUCTKHMXMWRF-KGLIPLIRSA-N

    Molecular Weight:

    354.24

    Exact Mass:

    353.063

    Categories:

    Standard

    Characteristics
    PSA:

    46.61

    XLogP3:

    3.1831

    Density:

    1.361±0.06 g/cm3(Predicted)

    Boiling Point:

    453.1±45.0 °C(Predicted)

    PKA:

    -2.91±0.60(Predicted)

    Critical Temperature & Pressure:

    Storage temp. 2-8°C

  • Seller Information
    Business Type:

    Manufactory

    Main Products:

    Drug impurity reference,Impurity reference,Reference substance,impurity

    Location:

    Hengfeng Wanda (Hubei) Pharmaceutical Technology Co., LTD., Hongshan District, Wuhan City, Hubei Province, China

    Payment Terms:

    TT against copy of documents,100% TT in advance

    Average lead Time:

    150 days

    Total Annual Revenue:

    $5 million-$10 million

    Total Employees:

    51-100

    Year of Establishment:

    2023

    Company Certificates
    • Hengfeng Wanda (Hubei) Pharmaceutical TeBrand certification certificate Brand certification certificate
    • Hengfeng Wanda (Hubei) Pharmaceutical TeQUALITY MANAGEMENT SYSTEM CERTIFICATE QUALITY MANAGEMENT SYSTEM CERTIFICATE


  • Inquiry History
    5 Inquiries
    Country Product Purchase Quantity Date Posted
    India

    (3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylic acid phenylmethyl ester

    1 KG Jan 4, 2026
    India

    (3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylic acid phenylmethyl ester

    1 KG Jan 5, 2026
    India

    (3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylic acid phenylmethyl ester

    25 KG May 8, 2026
    India

    (3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylic acid phenylmethyl ester

    1000 KG May 3, 2026
    India

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

    5 KG May 19, 2025
    Post an enquiry for this product
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