Certificate of Analysis
| Product Name: | Streptavidin |
| Catalog Number: | M15062 |
| CAS Number: | 9013-20-1 |
Physical and Chemical Properties
| Formula: | C14H17BrClNO2S |
| Molecular Weight: | 378.71228 |
| Solubility: | Water 1 mg/mL |
| Storage: |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
Analytical Data
| QC Standard: | ≥14 units/mg protein |
| H-NMR: | Consistent with structure |
Product Information
| Description: | Streptavidin is an isotype tetramer of about 60 kDa. Streptavidin binds four biotin molecules with high affinity. Streptavidin is immunosuppressive. |
| Stability and Solubility Advice: | Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide. We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details. |