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Leupeptin hemisulfate

Cysteine Protease inhibitor

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Catalog No. A14145

Availability:Stock in USAIn stock

Product Name Catalog No. Price Qty
Leupeptin hemisulfate 25mg A14145-25
Leupeptin hemisulfate 50mg A14145-50
Leupeptin hemisulfate 100mg A14145-100
Leupeptin hemisulfate 10mM * 1mL in DMSO A14145-10mM-D

Products are for laboratory research use only. Not for human use. We do not sell to patients.

Quick Overview

Leupeptin hemisulfate is a reversible inhibitor of trypsin-like and cysteine proteases such as calpain.

Leupeptin hemisulfate

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Chemical Information

Catalog Num A14145
Actions Inhibitor
M. Wt 475.6
Formula C20H38N6O4.1/2H2SO4
Solubility DMSO
Purity >98%
Storage at -20°C 3 years Powder
CAS No. 103476-89-7
Synonyms N/A

Biological Activity

Leupeptin hemisulfate is a reversible inhibitor of trypsin-like and cysteine proteases such as calpain.
Cysteine protease serine protease


Solubility (25°C)* In vitro DMSO 95 mg/mL heating (199.75 mM)
Water 95 mg/mL (199.75 mM)
Ethanol 95 mg/mL (199.75 mM)
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Adooq tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Preparing Stock Solutions

Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
0.1 mM 21.03 mL 105.13 mL 210.26mL
0.5 mM 4.21 mL 21.03 mL 42.05 mL
1 mM 2.1 mL 10.51 mL 21.03 mL
5 mM 0.42 mL 2.1 mL 4.21 mL

*The above data is based on the productmolecular weight 475.6. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.

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