CAS No.: | 74-79-3 |
---|---|
Type: | Pharmaceutical Intermediates |
Appearance: | Powder |
Quality: | Technical |
Colour: | White |
Color: | White |
Samples: |
---|
Customization: |
---|
Suppliers with verified business licenses
Name | L-Arginine |
Cas No. | 74-79-3 |
Net Weight | 25kg/drum |
Batch No. | 010-231001A |
SI. NO. | Items | CP2020 | USP2023 | EP10.0 | AJI92 |
1 | Assay | ≥99.0% | 98.5%~101.5% | 98.5%~ 101.0 % | 99.0%~ 101.0 % |
2 | Identification | The IR spectrum conforms to that of reference spectrum | The IR spectrum conforms to that of Reference Standard | The IR spectrum conforms to that of Reference Standard | The IR spectrum conforms to that of Reference Standard |
3 | Specific rotation | +26.9°~ +27.9° | +26.3°~ +27.7° | +25.5°~ +28.5° | +26.9°~ +27.9° |
4 | pH | 10.5~12.0 | -- | -- | 10.5~12.0 |
5 | Transmittance | ≥98.0% | -- | The solution is clear and not more intensely coloured than reference solution BY6 | ≥98.0% |
6 | Loss on drying | ≤ 0.5% | ≤ 0.5% | ≤0.5% | ≤0.5% |
7 | Residue on ignition | ≤ 0.1% | ≤ 0.3% | ≤ 0.1% | ≤0.10% |
8 | Chloride | ≤ 0.02% | ≤ 0.05% | ≤200 ppm | ≤ 0.020% |
9 | Sulfate | ≤ 0.02% | ≤ 0.03% | ≤300 ppm | ≤ 0.020% |
10 | Ammonium | ≤0.02% | -- | ≤0.02% | ≤0.02% |
11 | Protein | Conforms | -- | -- | -- |
12 | Iron | ≤0.001% | ≤ 30ppm | ≤10 ppm | ≤10 ppm |
13 | Heavy metals | ≤10 ppm | -- | -- | ≤10 ppm |
14 | Arsenic | ≤0.0001% | -- | -- | ≤1ppm |
15 | Other amino acids | ≤ 0.4% | Individual impurity ≤ 0.5% Total impurities ≤ 2.0% |
-- | Conforms |
16 | Ninhydrin-positive substances | -- | -- | Any ninhydrin-positive substance:for each impurity ≤ 0.2% Total ≤ 0.5% |
-- |
17 | Endotoxin | < 10EU/g | (Optional) | (Optional) | -- |
Suppliers with verified business licenses