L-Threonine l-threonine CAS:72-19-5
Product Name: L-Threonine
Molecular Formula: C4H9NO3
Molecular Weight: 119.12
CAS No: 72-19-5
Testing Item |
Standard |
Result |
Assay/% |
≥98.50 |
99.30 |
Specific Rotation |
26.7° ~ -29.0 ° |
-28.40° |
Loss on Drying/% |
≤1.00 |
0.50 |
Residue on Ignition/% |
≤0.30 |
0.20 |
Heavy Metal(Pb)/%(mg/kg) |
≤20 |
<20 |
Arsenic(As)/%(mg/kg) |
≤2 |
<2 |
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