USD $1.00-10.00 / Kilogram
USD $90.00-120.00 / Kilogram
USD $3.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $3.00-10.00 / Kilogram
USD $3.00-10.00 / Kilogram
USD $6.00-9.00 / Gram
USD $3.00-10.00 / Kilogram
USD $5.00-40.00 / Kilogram
usp standard
l-tyrosine
appearance |
white crystalline powder |
transmittance |
≥95.0% |
specific rotation |
-9.8 º- -11.2º |
ph |
5.0-6.5 |
m.p. |
250-270℃ |
loss on drying |
≤0.02% |
reside on ignition |
≤0.10% |
chloride |
≤0.02% |
sulfate |
≤0.02% |
ammonium |
≤0.02% |
heavy metals |
≤10ppm |
fe |
≤20ppm |
as |
≤1ppm |
other amino acids |
not detected |
assay |
98.0-101.5% |