L-Tryptophan/Amino Acid/CAS#73-22-3
Product Details:
| CAS No. | 73-22-3 |
|---|---|
| Place of Origin | China (Mainland) |
| Model Number | BP/USP/FCC/AJI |
Detailed Product Description
ITEMS | SPECIFICATIONS | RESULTS |
Assay | ≥98.5% | 99.2% |
Specific Rotation[a]D20° | -29.4-32.8° | -30.2° |
Ammonium | ≤0.020% | 0.020% |
Residue on ignition | ≤0.10% | 0.09% |
Loss on drying | ≤0.30% | 0.04% |
Chloride | ≤0.05% | 0.020% |
Heavy Metals | ≤15ppm | 10ppm |
Sulfate | ≤0.03% | 0.02% |
Iron | ≤0.003% | 0.002% |
State of solution | ≥95.0% | 96.2% |
PH | 5.57.0 | 5.8 |
Foreign amino acids | ≤0.5% | 0.5% |
Organic volatile impurities | Meet the requirements | Meet the requirements |
Arsenic(As2O3) | ≤1ppm | 1ppm |
Conclusion : The product is conforming to USP29. | ||
L-Tryptophan/Amino Acid/CAS#73-22-3
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Company Info
Longcom Enterprise Limited
[China (Mainland)]
[Verified Member]
City: Hefei
Province/State: Anhui
Country/Region : China (Mainland)
Business Type:Trading Company
Online Postings: Products