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

  Post Date: Jul 24,2017
  Expiry Date: Jul 24,2018
  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
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:


  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

  Company: SICHUAN TONGSHENG AMINO ACID CO., LTD     [ China ]          
  Contact: Ronghu Chen
  Tel: 0838-2274206/2809458
  Fax: 0838-2274207
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