L(-)-Tryptophan 99%
Supplier: Thermo Scientific
Synonyms:
L-Tryptophan, Tryptophan, L-α-Amino-3-indolepropionic acid, (S)-2-Amino-3-(3-indolyl)propionic acid, H-Trp-OH
140590050
140590250
140591000
140595000
140590010
ACRO140590050EA
45.9
GBP
ACRO140590050
ACRO140590250
ACRO140591000
ACRO140595000
ACRO140590010
L(-)-Tryptophan 99%
L(-)-Tryptophan
Formula:
C₁₁H₁₂N₂O₂ MW: 204,23 g/mol Melting Pt: 280…285 °C (dec.) Density: 1,34 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00064340 CAS Number: 73-22-3 EINECS: 200-795-6 Merck Index: 12,09929 |
Specification Test Results
Appearance | White to yellowish-white Crystalline powder |
Infrared spectrum | Conforms |
Loss on drying | ≤0.5 % (1 g, 105°C) |
Specific optical rotation | -29.0° to -33.0° (20°C, 589 nm) (C=1, H2O) |
Titration with HClO4 | 98.5 to 101.5 % (On dry substance) |
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