71989-35-0 Fmoc-L-Thr(OtBu)-OH
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Test Item |
Specification |
Test Result |
Appearance |
White or off-white powder |
Conforms |
infrared spectrum |
Confroms with structure |
Conforms with structure |
Solubility |
1mmol in 2ml DMF,clear and colorless |
1mmol in 2ml DMF,clear and colorless |
Specific Rotation |
+15.0°±2°(C=1,in EtOAc) |
+13.6° |
Water |
≤1.0% |
0.2% |
Free Amino acid |
≤0.1% |
<0.1% |
Isomer |
≤0.3% |
0.03% |
Residual Solvent |
Pointed out last used solvent(≤0.5%) |
Acetic ether (undetectable) |
Assay |
98.0%~102.0% |
98.4% |
Purity |
≥99.0% |
99.6% |
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