| Product name | Thymosin α1 |
| Product No. | 600800 |
| Sequence | N-Acetyl-Ser-Asp-Ala-Ala-Val-Asp-Thr-Ser-Ser-Glu-Ile-Thr-Thr-Lys-Asp-Leu-Lys-Glu-Lys-Lys-Glu-Val-Val-Glu-Glu-Ala-Glu-Asn-OH |
| Appearance | White or off-white powder |
| Solubility | Soluble in TFA, slightly soluble in water, insoluble in CAN |
| Specific optical rotation | (-100.0°to -110.0°) (C=0.5% in 0.02M phosphate buffer, Anhydrous and acetic free substance) |
| Water | ≤5.0% |
| Clarity and color | Clear and colorless |
| Identify[HPLC] | The principal peak in the chromatogram obtained with the test solution is similar in retention time to principal peak in the chromatogram obtained with the reference solution. |
| Amino acid analysis | Asp 3.4-4.6 Val 2.4-3.6 |
| Glu 5.4-6.6 Leu 0.8-1.2 | |
| Ser 2.4-3.6 Ile 0.8-1.2 | |
| Thr 2.4-3.6 Lys 3.4-4.6 | |
| Ala 2.7-3.3 | |
| Related substances | Any impurity: NMT 2.0% Total impurity: NMT 4.0% |
| Assay | 95.0%-105.0% (anhydrous and acetic acid free substance) |
| Acetate acid | ≤5.0% |
| MS | 3108.3±1.0 |
| Storage Condition | In an air tight container, protected from light at temperature 2-8℃. |
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