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Boc-Pyr.OEt,Boc-L-pyroglutamic acid ethyl ester,144978-12-1

  • Post Date:

    Jul 06,2025
  • Expiry Date:

    Jul 06,2026
  • 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%
  • CAS Registry Number:

    144978-12-1
  • 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;
  • Molecular Formula:

    C12H19NO5
  • Molecular Weight:

    257.283
  • Molecular Structure:

    144978-12-1 Boc-Pyr-Oet
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