L-Phenylalanine 98.5-101.0%, meets analytical specification of USP

Supplier: Thermo Scientific
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Synonyms: (S)-(-)-PhenylalanineH-L-Phe-OHPhenylalanineH-Phe-OHL-α-Phenylalanine3-Phenyl-L-alanine3-Phenyl-L(-)-alanine

ACRO453930250EA 34.1 GBP
ACRO453930250 ACRO453931000
L-Phenylalanine 98.5-101.0%, meets analytical specification of USP
L-α-Phenylalanine
Formula: C₉H₁₁NO₂
MW: 165.19 g/mol
Melting Pt: 270…275 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00064227
CAS Number: 63-91-2

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Specification Test Results

Appearance Colorless to white Powder or crystals
Infrared spectrum Conforms
Loss on drying ≤0.3 % (105°C, 3 hrs)
Heavy metals ≤15 ppm
Sulfated ash ≤0.4 %
Related substances ≤2.0 % (total impurities)
Related substances ≤0.5 % (individual impurities)
pH 5.4 to 6.0 (1 % solution)
Specific optical rotation -32.7° to -34.7° (20°C, 589 nm) (2%,water)
Titration with HClO4 98.5 to 101.5 % (On dried base)
Chloride (Cl) ≤0.05 %
Sulfate (SO4) ≤0.03 %
Iron (Fe) ≤0.003 %

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