L-(-)-tert-Leucine (H-Tle-OH) 99%
Supplier: Thermo Scientific Chemicals
Synonyms:
(S)-2-Amino-3,3-dimethylbutanoic acid, H-Tle-OH
29778-0050
29778-0250
TS29778-0050EA
128
USD
TS29778-0050
TS29778-0250
L-(-)-tert-Leucine (H-Tle-OH) 99%
L(-)-tert-Leucine (H-Tle-OH)
Formula:
C₆H₁₃NO₂ MW: 131.2 g/mol Melting Pt: >300 °C Storage Temperature: Ambient |
MDL Number:
MFCD00064218 CAS Number: 20859-02-3 |
Specification Test Results
Appearance | White to off-white Powder |
Infrared spectrum | Conforms |
Loss on drying | ≤0.2 % (105°C, 3 hrs) |
Sulfated ash | ≤0.1 % |
TLC | ≤0.5 % Other substances |
Specific optical rotation | +6.9° to +7.5° (20°C, 589 nm) (c=4, 6 N HCl) |
Titration with HClO4 | 98.5 to 101.5 % |
Iron (Fe) | ≤10 ppm |
Heavy metals (as Pb) | ≤10 ppm |
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