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Pepstatin A

An inhibitor of acid proteases (aspartyl peptidases)
Catalog #: 1732
SKU-Size Size Price Qty
1732-25 25 mg
1732-100 100 mg
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Product Details

Alternate Name Isovaleryl-Val-Val-Sta-Ala-Sta-OH
Peptide Sequence Isovaleryl-Val-Val-Sta-Ala-Sta-OH
Appearance White solid
CAS # 26305-03-3
Molecular Formula C₃₄H₆₃N₅O₉
Molecular Weight 685.89
Purity ≥90% by HPLC
Solubility DMSO or MeOH
InChi InChI=1S/C35H64N4O9/c1-18(2)12-24(40)15-25(21(7)8)34(47)39-32(22(9)10)35(48)38-26(13-19(3)4)28(41)16-30(43)36-23(11)33(46)37-27(14-20(5)6)29(42)17-31(44)45/h18-23,25-29,32,41-42H,12-17H2,1-11H3,(H,36,43)(H,37,46)(H,38,48)(H,39,47)(H,44,45)/t23-,25-,26-,27-,28-,29-,32-/m0/s1
PubChem CID 16218527
MDL Number MFCD00060740
Handling Protect from air and moisture
Storage Conditions 4°C
Shipping Conditions RT
USAGE For Research Use Only! Not For Use in Humans.


An inhibitor of acid proteases (aspartyl peptidases), e.g. pepsin, rennin, and cathepsin D. The inhibitor is highly selective and does not inhibit thiol proteases, neutral proteases, or serine proteases .

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