boc-pyr.oet,boc-l-pyroglutamic acid ethyl ester,144978-12-1
Date:2021-12-01 Categories:Related Application Product
| post date: |
nov 30,2021 |
| expiry date: |
nov 30,2022 |
| 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: |
|