| post date: | nov 30,2021 |
| expiry date: | nov 30,2022 |
| detailed description: |
cas no. :91229-91-3
product name: boc-l-pyr-otbu cas#91229-91-3 synonyms: boc-l-pyroglutamic acid ter-butyl ester molecular formula: c14h23no5 molecular weight: 286.34 manufacture time: 2012-11-02 batch no.:20121102 testing time: 2012-11-05 expiry time：2014-11 specifications: items standard analysis data appearance yellow power conforms specific rotation [20] (c=1 in chcl3) -116±2 -117.39 water(kf) not more than 1.0% 0.2% purity not less than 98.0% 99% |
| cas registry number: | 91229-91-3 |
| synonyms: | ;(s)-n-α-t-butyloxycarbonyl-pyroglutamic acid t-butyl ester;di-tert-butyl (2s)-5-oxopyrrolidine-1,2-dicarboxylate(s)-n-alpha-t-butyloxycarbonyl-pyroglutamic acid t-butyl ester;boc-l-pyr-otbu;di-tert-butyl 5-oxopyrrolidine-1,2-dicarboxylate; |
| molecular formula: | c14h23no5 |
| molecular weight: | 285.3361 |
| molecular structure: | 
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