L(-)-Tryptophan 98.5-101.5% (dry basis)
Supplier: Thermo Fisher Scientific
Synonyms:
L-α-Amino-3-indolepropionic acid
, (S)-2-Amino-3-(3-indolyl)propionic acid
, H-Trp-OH
, L-Tryptophan
, Tryptophan
J22765-A1
J22765-22
101170-168EA
129.6
USD
101170-168
101174-006
L(-)-Tryptophan 98.5-101.5% (dry basis)
L(-)-Tryptophan
Formula:
C₁₁H₁₂N₂O₂ MW: 204.23 g/mol Melting Pt: 280…285 °C Density: 1.34 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00064340 CAS Number: 73-22-3 EINECS: 200-795-6 Merck Index: 14,09797 |
Specification Test Results
Assay (Dry Basis) | 98.5 to 101.5% |
Chloride Content | ≤0.05% |
Identification (FTIR) | Conforms |
Residue on Ignition | ≤0.1% |
Impurity Content, Organic Impurities | Meets the Requirements |
Impurity Content Sulphate (SO₄) | ≤0.03% |
Loss on Drying | ≤0.3% |
Optical Rotation | –29.4 to –32.8° (c=1 in H₂O) |
pH (1%, H₂O) | 5.5 to 7.0 |
Heavy Metals (Pb) | ≤15 ppm |
Iron (Fe) | ≤0.003% |
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