PDF
Technical Data Sheet
LACTACYSTIN
Compound Information
Product Name:
LACTACYSTIN
CAS No.:
133343-34-7
Molecular Formula:
C15H24N2O7S
Molecular Weight:
376.43
Storage:
Powder -20°C 3 years; 4°C 2 years
In solvent -80°C 6 months; -20°C 1 month
Revision Date:
2026-04-27
Analytical Information
| Tests |
Specifications |
| Description |
Lactacystin is a potent and selective inhibitor of the 20S proteasome. |
| Native Source |
Streptomyces lactacystinnaeus strain OM-6519 |
| Form |
powder |
| Color |
White to off-white |
| Purity (HPLC) |
99.4% |
| Solubility |
water to 10 mM |
| IUPAC Name |
(2R,3S,4R)-3-Hydroxy-2-[(1S)-1-hydroxy-2-methylpropyl]-4-methyl-5-oxo-2-pyrrolidinecarboxy-N-acetyl-L-cysteine thioester |
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