Leupeptin

(2S)-2-acetamido-N-[(2S)-1-[[(2S)-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]-4-methylpentanamide

CAS: 55123-66-5

Molecular Formula	`C20H38N6O4`
Molecular Weight	426.6 g/mol
LogP	0.4
Topological Polar Surface Area	169.0 A2
Hydrogen Bond Donors	5
Hydrogen Bond Acceptors	5
Rotatable Bonds	14
Exact Mass	426.29544
Heavy Atoms	30
Complexity	602.0

Chemical Identifiers

CAS Number	55123-66-5
SMILES	`CC(C)CC(C(=O)NC(CC(C)C)C(=O)NC(CCCN=C(N)N)C=O)NC(=O)C`
InChIKey	`GDBQQVLCIARPGH-ULQDDVLXSA-N`

📖 Product Overview

Leupeptin (CAS: 55123-66-5) is a chemical compound with molecular formula C20H38N6O4 and molecular weight 426.6 g/mol. Its IUPAC systematic name is (2S)-2-acetamido-N-[(2S)-1-[[(2S)-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]-4-methylpentanamide. LogP 0.4 Topological Polar Surface Area 169.0 A2 Hydrogen Bond Donors 5 Hydrogen Bond Acceptors 5 Rotatable Bonds 14 Exact Mass 426.29544 Heavy Atoms 30 Complexity 602.0 InChI Key: GDBQQVLCIARPGH-ULQDDVLXSA-N. SMILES: CC(C)CC(C(=O)NC(CC(C)C)C(=O)NC(CCCN=C(N)N)C=O)NC(=O)C.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.

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Frequently Asked Questions

What is the typical lead time for this product?

Lead time typically ranges from 3-7 business days for in-stock items. For larger quantities or custom orders, please contact us for specific lead times.

Can you provide samples for testing?

Yes, we offer sample quantities for quality testing. Please submit an inquiry with your requirements and we will arrange samples accordingly.

What documentation do you provide with the product?

We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.

Do you ship internationally?

Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location. Please contact us for specific shipping information.

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