L-Threonine ≥98.5%, Ultrapure
Supplier: Thermo Scientific
Synonyms:
(2S,3R)-(-)-Threonine, H-Thr-OH, (2S,3R)-2-Amino-3-hydroxybutyric acid
J22290.A1
J22290.22
ALFAJ22290.A1EA
3140
SGD
ALFAJ22290.A1
ALFAJ22290.22
L-Threonine ≥98.5%, Ultrapure
L-Threonine
Formula:
C₄H₉NO₃ MW: 119,12 g/mol Melting Pt: 255 °C (dec.) Storage Temperature: Ambient |
MDL Number:
MFCD00064270 CAS Number: 72-19-5 EINECS: 200-774-1 Merck Index: 14,09380 |
Specification Test Results
Assay | ≥98.5% |
Impurity Content Sulphate (SO₄) | ≤0.03% |
Loss on Drying | ≤0.2% |
Optical Rotation | –26.7 to –29.1° (c=6 in H₂O) |
pH (5%, H₂O) | 5.0 to 6.5 |
Identification (FTIR) | Conforms |
Chloride Content | ≤0.05% |
Residue on Ignition | ≤0.4% |
Heavy Metals (Pb) | ≤15 ppm |
Iron (Fe) | ≤30 ppm |
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