| post date: | jan 17,2022 |
| expiry date: | jan 17,2023 |
| detailed description: |
cas no. :63038-27-7
quantity: 500kilograms payment method: t/t product name: l-tert-leucine methyl ester hydrochloride cas#:63038-27-7 synonyms: l-tertiary leucine methyl ester hcl molecular formula: c7h15no2.hcl molecular weight: 181.66 manufacture time: 2013-06-21 batch no.:20130621-1 testing time: 2013-07-10 expiry time: 2015-06 specification: item standard analysis data appearance white to off-white powder conforms chromatographic purity (% area normalization, by hplc) not less than 99.0% 99.5% l-tert leucine not more than0.5% conforms any other individual impurity not more than0.5% conforms total impurities not more than 1.0% conforms loss on drying(% w/w )(dry 1.0g sample at 80℃ under vacuum for 3hours ) not more than 0.5% 0.37% content of d-tert-leucine methyl ester(% area normalization, by hplc) not more than 0.15% conforms assay （% w/w o dried basis, by hplc） 98.0-102.0% 99.6% conclusion the product conforms to the standard |
| cas registry number: | 63038-27-7 |
| synonyms: | ;(s)-2-amino-3,3-dimethylbutyric acid methyl ester hydrochloride;l-(+)-tert-leucine leucine methyl ester hydrochloride;l-tert-leucine methyl ester hydrochloride;l-(+)-methyl tert-leucinate hydrochloride;methyl (s)-2-amino-3,3-dimethylbutyrate hydrochloride;l-(+)-methyl-tert-leucinatehcl;methyl l-2-amino-3,3-dimethylbutanoate hydrochloride;(s)-methyl 2-amino-3,3-dimethylbutanoate hydrochloride;l-tert-leucine methylesterhydrochloride;methyl 3-methyl-l-valinate hydrochloride;l-valine, 3-methyl-, methyl ester, hydrochloride (1:1);l-tert-leucine methyl ester hcl;l-tert.leucine methyl ester hydrochloride;h-tle-ome·hcl;l-t-leucine methyl ester hydrochloride; |
| molecular formula: | c7h16clno2 |
| molecular weight: | 181.6604 |
| molecular structure: | 
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