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N-[(1,1-dimethylethoxy)carbonyl]-L-leucine Boc-L-leucine CAS:13139-15-6
Product name |
N-[(1,1-dimethylethoxy)carbonyl]-L-leucine |
Alias |
N-(tert-butoxycarbonyl)leucine; (2S)-2-[(tert-butoxycarbonyl)amino]-4-methylpentanoate; (2R)-2-[(tert-butoxycarbonyl)amino]-4-methylpentanoate; Boc-Leu-OH.H2O; Boc-Leu-OH• H2O; Boc-L-leucine; Boc-Leu-OH·H2O; Boc-Leu-OH,H2O; N-(tert-butoxycarbonyl)-L-leucine monohydrate |
CAS NO |
13139-15-6;200936-87-4 |
EINECS No. |
236-073-2 |
Molecular formula |
C11H20NO4 |
Molecular weight |
230.2813 |
Structural formula |
|
Product description |
White crystalline powder. melting point: 82-85℃; boiling point: 356°C at 760 mmHg; flash point: 169.1°C ; vapor pressure: 4.98E-06mmHg at 25°C |
Uses |
In biochemical reagent and polypeptide synthesis |
Item |
Standard |
Results |
Appearance |
A white to off-white powder |
Conforms |
differentiate |
To match with standard |
Consistent |
Transmittance |
≥98% |
Conforms |
Specific rotation(On dried basis) |
+33.0°~+35.0° |
+33.75° |
Loss on drying |
≤0.2% |
0.10% |
Chloride |
≤0.02% |
<0.02% |
Ammonium(NH4) |
≤0.02% |
<0.02% |
Iron(Fe) |
≤0.001% |
<0.001% |
Sulfate(So4) |
≤0.02% |
<0.02% |
Other amino acids |
Passed |
Conforms |
Residue on igaition |
≤0.10% |
0.05% |
Heavy metals(Pb) |
≤10ppm |
<10ppm |
PH |
5.4—6.0 |
5.72 |
Assay |
98.5%~101.5% |
99.43% |
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