Leupeptin

Also known as: Ac-Leu-Leu-Arg-H, Ac-LLR-CHO, Ac-Leu-Leu-argininal, N-Acetyl-L-leucyl-L-leucyl-L-argininal, acetyl-Leu-Leu-Arg-al, Nα-(N-Acetyl-L-leucyl)-N-[4-[(aminoiminomethyl)amino]-1-formylbutyl]-L-leucinamide

Leupeptin (CAS 24365-47-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C20H38N6O4 and a molecular weight of 426.55400 g/mol. Key property: a density of 1.21g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 24365-47-7
Jingsj CID: J-1959300-7
Molecular Formula: C₂₀H₃₈N₆O₄
Molecular Weight: 426.55400 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.21g/cm3
Exact Mass	426.29500
PSA	166.27000
LogP	2.37870
Refractive Index	1.557

Frequently Asked Questions

What is the CAS number of Leupeptin?

The CAS number of Leupeptin is 24365-47-7.

What are the molecular formula and molecular weight of Leupeptin?

Leupeptin has molecular formula C20H38N6O4 and molecular weight 426.55400 g/mol.

What are the upstream and downstream products of Leupeptin?

For Leupeptin, Upstream Products: N-[(Benzyloxy)carbonyl]-L-leucine, L-Leucine.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Leupeptin (CAS 24365-47-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1959300-7 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.