Certificate of Analysis

 

Product Name: Pepstatin A (Pepstatin)
Catalog Number: M3657
CAS Number: 26305-03-3

Physical and Chemical Properties
Formula: C34H63N5O9
Molecular Weight: 685.89
Solubility: DMSO ≥ 25 mg/mL
Storage: Store at ≤-20°C, dry, sealed
Chemical Structure: Pepstatin A (Pepstatin) Structure
Analytical Data
QC Standard: >99.0%
H-NMR: Consistent with structure
Product Information
Description: Pepstatin A (Pepstatin) is a specific inhibitor of aspartic proteases produced by actinomycetes, which can inhibit hemoglobin-pepsin, hemoglobin-proctase, casein-pepsin, casein-proctase, casein-acid protease and hemoglobin-acid protease with IC50 values of 4.5 nM, 6.2 nM, 150 nM, 290 nM, 520 nM and 260 nM, respectively.
   
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.