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SP-Chymostatin B is a potent inhibitor of many proteases, including chymotrypsin, papain, chymotrypsin-like serine proteinases, chymases, and lysosomal cysteine proteinases. It weakly inhibits human leucocyte elastase. It is effective at a final concentration of 100 to 200 μg/ml (10 to 100 μM).

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 25 mg | $1,520 | 6-8 weeks | |
| 50 mg | $1,980 | 6-8 weeks | |
| 100 mg | $2,500 | 6-8 weeks |
| Description | SP-Chymostatin B is a potent inhibitor of many proteases, including chymotrypsin, papain, chymotrypsin-like serine proteinases, chymases, and lysosomal cysteine proteinases. It weakly inhibits human leucocyte elastase. It is effective at a final concentration of 100 to 200 μg/ml (10 to 100 μM). |
| Synonyms | alpha-Mapi |
| Molecular Weight | 595.69 |
| Formula | C30H41N7O6 |
| Cas No. | 70857-49-7 |
| Relative Density. | 1.30 g/cm3 (Predicted) |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |

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