boc-pyr.oet,boc-l-pyroglutamic acid ethyl ester,144978-12-1
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#144978-12-1synonyms: boc-l-pyroglutamic acid ethyl ester molecular formula: c12h19no5molecular weight: 257.3manufacture time: 2010-02-04 batch no.:100204testing time: 2010-02-04 expiry time：2012-02specifications:items standard analysis dataspecific rotation [20/d](c=2 in ch3ch2oh) -41±2° -40.5°related substance (tlc) one spot conformsmelting point (℃) 49℃ to…
boc-pyr.oet,boc-l-pyroglutamic acid ethyl ester,144978-12-1
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#144978-12-1synonyms: boc-l-pyroglutamic acid ethyl ester molecular formula: c12h19no5molecular weight: 257.3manufacture time: 2010-02-04 batch no.:100204testing time: 2010-02-04 expiry time：2012-02specifications:items standard analysis dataspecific rotation [20/d](c=2 in ch3ch2oh) -41±2° -40.5°related substance (tlc) one spot conformsmelting point (℃) 49℃ to…
