Customization: | Available |
---|---|
CAS No.: | 60-18-4 |
Formula: | C9h11no3 |
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Product Name | L-Tyrosine |
CAS | 60-18-4 |
Appearance | white powder |
MF | 181.189 |
Purity | 99% min |
Usage | Food |
Storage | Keep in cool & dry place, stay away from strong light and heat |
Shelf Life | 24 months |
ITEMS | SPECIFICATIONS | RESULTS |
Appearance | A white or almost white crystalline powder | A white crystalline powder |
Identification Infrared absorption Retention time (HPLC) |
Positive Positive |
Conform Conform |
Ordinary Impurities Total impurities (TLC) |
≤1% |
<0.5% |
Water | ≤6.0% | 5.0% |
Residual solvent (GC) | ≤500ppm |
<9ppm |
Assay and limit for guanine (HPLC) Assay: (on the anhydrous basis) Guanine |
98.0-101.0% ≤0.7% |
100.0% 0.14% |
Conclusion: It conforms to USP 32 standard. |