L(-)-Tryptophan ≥99%, crystalline powder

Supplier: CHEM IMPEX INTL INC MS

Synonyms: L-α-Amino-3-indolepropionic acid(S)-2-Amino-3-(3-indolyl)propionic acidH-Trp-OHL-TryptophanTryptophan

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L(-)-Tryptophan ≥99%, crystalline powder
L(-)-Tryptophan

  • Synonyms: L-Trp-OH; (S)-2-Amino-3-(3-indolyl)propionic acid

Formula: C₁₁H₁₂N₂O₂
MW: 204.23 g/mol
Melting Pt: 280…285 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00064340
CAS Number: 73-22-3

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Specification Test Results

Assay 98.5-101.5%
Appearance White to light yellow crystalline powder
Heavy Metals (as Pb) ≤ 20 ppm
Arsenic (As₂O₂) ≤1 ppm
Chloride (Cl-) ≤0.02%
Sulfate (SO₄²⁻) ≤ 0.03%
Loss on Drying ≤0.30%
Residue On Ignition ≤0.10%
Optical Rotation -30.0 to -33.0°

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