| Post Date: | Jan 17,2022 |
| Expiry Date: | Jan 17,2023 |
| 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: | 
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