boc- pyroglutamic acid tert-butyl ester
post date: jan 17,2022 expiry date: jan 17,2023 detailed description: cas no. :91229-91-3 product name: boc-l-pyr-otbu cas#91229-91-3synonyms: boc-l-pyroglutamic acid ter-butyl ester molecular formula: c14h23no5molecular weight: 286.34manufacture time: 2012-11-02 batch no.:20121102testing time: 2012-11-05 expiry time：2014-11specifications:items standard analysis dataappearance yellow power conformsspecific rotation [20](c=1 in chcl3) -116±2 -117.39water(kf) not more than 1.0% 0.2%purity not less than 98.0%…
boc- pyroglutamic acid tert-butyl ester
post date: nov 30,2021 expiry date: nov 30,2022 detailed description: cas no. :91229-91-3 product name: boc-l-pyr-otbu cas#91229-91-3synonyms: boc-l-pyroglutamic acid ter-butyl ester molecular formula: c14h23no5molecular weight: 286.34manufacture time: 2012-11-02 batch no.:20121102testing time: 2012-11-05 expiry time：2014-11specifications:items standard analysis dataappearance yellow power conformsspecific rotation [20](c=1 in chcl3) -116±2 -117.39water(kf) not more than 1.0% 0.2%purity not less than 98.0%…
