L-Phenylalanine 98.5-101.0%, meets analytical specification of USP
Supplier: Thermo Scientific Chemicals
Synonyms:
H-L-Phe-OH, Phenylalanine, H-Phe-OH, L-α-Phenylalanine, (S)-(-)-Phenylalanine, 3-Phenyl-L-alanine, 3-Phenyl-L(-)-alanine
45393-0250
45393-1000
TS45393-0250EA
41
USD
TS45393-0250
TS45393-1000
L-Phenylalanine 98.5-101.0%, meets analytical specification of USP
L-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 |
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 | ≤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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