Boc-Pyr.OEt,Boc-L-pyroglutamic acid ethyl ester,144978-12-1
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Post Date:
Dec 20,2024
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Expiry Date:
Dec 20,2025
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Detailed Description:
Cas No. :144978-12-1
Payment Method: T/T
Product Name: Boc-Pyr-OEt CAS#144978-12-1
Synonyms: Boc-L-Pyroglutamic acid ethyl ester Molecular Formula: C12H19NO5
Molecular Weight: 257.3
Manufacture time: 2010-02-04 Batch No.:100204
Testing time: 2010-02-04 Expiry time：2012-02
Specifications:
Items Standard Analysis data
Specific Rotation [20/D]
(C=2 in CH3CH2OH) -41±2° -40.5°
Related Substance (TLC) One spot Conforms
Melting Point (℃) 49℃ to 55 ℃ 51℃
Loss on Drying Not more than 0.50% 0.26%
Purity (HPLC) Not less than 98.0% 99.0%
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CAS Registry Number:
144978-12-1
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Synonyms:
;1-Boc-L-pyroglutamic acid ethyl ester;N-Boc-L-pyroglutamic acid ethyl ester;(S)-N-alpha-t-Butyloxycarbonyl-pyroglutamic acid ethyl ester;Boc-L-Pyr-OEt;N-tert-Butoxycarbonyl-L-pyroglutamic acid ethyl ester;(S)-5-Oxo-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-ethyl ester;1-tert-butyl 2-ethyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate;Boc-L-pyroglutamic acid ethyl ester;BOC-L-Pyr Oet;
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Molecular Formula:
C12H19NO5
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Molecular Weight:
257.283
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Molecular Structure:
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