(3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylic acid phenylmethyl ester 99% Pharm Intermediate Professional Producer Greenbo
5 Inquiries
1428243-26-8
Pharmaceutical Grade
99%
Shanghai
Greenbo
25kg Drum
2022-07-31
Active Pharm Ingredients,Chemical Catalyst,Pharmaceutical Intermediates,Flavors and Fragrances,Agrochemicals,Chemical Pesticides
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Product Description
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Seller Information
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Inquiry History
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DescriptionECHEMI Editorial ReferenceBenzyl (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
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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:
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
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Seller Information
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Business Type:
Manufactory
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Main Products:
Active Pharm Ingredients,Chemical Catalyst,Pharmaceutical Intermediates,Flavors and Fragrances,Agrochemicals,Chemical Pesticides
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Location:
Zone K,Zwei Tianyuan Dushi Est,New Industial Park,High-tech Zone, Xian City,Shaanxi
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Payment Terms:
TT against copy of documents,L/C,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
15 days
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Total Annual Revenue:
$2.5 million-$5 million
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Total Employees:
11-50
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Year of Establishment:
2017
Company Certificates-
international trade license
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FSSC2000
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Inquiry History5 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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