L(-)-Tryptophan 99%

Supplier: Thermo Scientific Chemicals

Synonyms: L-Tryptophan, Tryptophan, L-α-Amino-3-indolepropionic acid, (S)-2-Amino-3-(3-indolyl)propionic acid, H-Trp-OH

14059-0010 14059-0050 14059-0250 14059-1000 14059-5000
TS14059-0010EA 826 USD
TS14059-0010 TS14059-0050 TS14059-0250 TS14059-1000 TS14059-5000
L(-)-Tryptophan 99%
L(-)-Tryptophan
Formula: C₁₁H₁₂N₂O₂
MW: 204.23 g/mol
Melting Pt: 280…285 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00064340
CAS Number: 73-22-3
EINECS: 200-795-6
Merck Index: 12,09929

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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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