CAS 20859-02-3 | L-tert-Leucine
Molecular Formula: C6H13NO2
Molecular Weight: 131.17
EINECS: 200-522-0
Purity: 97% Min.
Package: 1 g / 5 g / 25 g / 100 g / 1 kg
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Product Introduction
Introduction
L-tert-Leucine is used as nutritional fortifier, animal feed additive, and can also be used in synthetic drugs.
Specification of CAS 20859-02-3 | L-tert-Leucine
ITEMS | SPECIFICATION |
Melting point | ≥300 °C (lit.) |
InChIKey | NPDBDJFLKKQMCM-SCSAIBSYSA-N |
alpha | 6.3 º (c=4, 6 N HCl 200 ºC) |
storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
color | White to almost white |
refractive index | -9 ° (C=3, H2O) |
form | powder |
Water Solubility | 125.5 g/L (20 ºC) |
density | 1.1720 |
Boiling point | 217.7 °C |
pka | 2.39 |
optical activity | [α]20/D 9.5°, c = 3 in H2O |
BRN | 1721824 |
solubility | 1 M HCl |
CAS DataBase Reference | 20859-02-3(CAS DataBase Reference) |
Synthesis of CAS 20859-02-3 | L-tert-Leucine
Stage #1: N-tert-butyloxycarbonyl-L-tert-leucine With methanesulfonic acid In dichloromethane at 25℃; for 3h;
Stage #2: With triethylamine In dichloromethane at 25℃; for 1h;
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