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25 Kilogram |
FOB Price: USD 1.0000 |
steady quality L-Phenylalanine L-Phenylalanine 63-91-2 best quality 63-91-2
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best quality 63-91-2 steady quality L-Phenylalanine
Product Name: |
L-Phenylalanine |
Description: |
L-Phenylalanine can be viewed as a benzyl group substituted for the methyl group of alanine, or a phenyl group in place of a terminal hydrogen of alanine. This essential amino acid is classified as neutral, and nonpolar because of the inert and hydrophobic nature of the benzyl side chain. The L-isomer is used to biochemically form proteins, coded for by DNA. Phenylalanine is a precursor for tyrosine, the monoamine neurotransmitters dopamine, norepinephrine (noradrenaline), and epinephrine (adrenaline), and the skin pigment melanin. It is encoded by the codons UUU and UUC. |
CAS: |
|
WF: |
C9H11NO2 |
MW: |
165.19 |
EINECS: |
200-568-1 |
Product Categories: |
Amino Acid |
best quality 63-91-2 steady quality L-Phenylalanine
Product Name |
L-Phenylalanine |
|
Shelf Life |
2 years |
|
Item |
Specifications |
Test Results |
items of analysis |
white crystalline powder |
Complies |
Identifiction test |
Infrared absorption |
Complies |
Specific rotation |
-32.7° ~ -34.7° |
– 34.5° |
Chloride(cl) |
≤0.05 |
<0.02 |
Sulfate(SO4) |
≤0.03 |
<0.02 |
PH |
5.4-6.0 |
5.87 |
content |
98.5 - 101.5 |
99.0 |
Loss on drying |
≤0.30 |
0.10 |
Heavy metals(pb) |
≤15ppm |
<10ppm |
Residue on ignition |
≤0.4 |
0.07 |
Iron(Fe) |
≤30ppm |
<30ppm |
Transmittance |
>90 |
96 |
Conclusion |
This product conforms to the USP26 standard |
2.L - phenylalanine is human body can't synthesized a kind of essential amino acids. Food industry mainly for Food sweetener aspartame synthesis raw material; 3.Also can be used as nutritional supplement |
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