E-64, protease inhibitor

Name: E-64, protease inhibitor
Brand: Vaqora Chemicals
SKU: VQ-002627

About E-64, protease inhibitor

Vaqora Chemicals supplies E-64, protease inhibitor, an enzyme / protein reagent registered under CAS number 66701-25-5. The compound has the formula C15H27N5O5, corresponding to a molecular weight of 357.41 g/mol. Alternative names: Proteinase inhibitor E 64 and E 64.

It is supplied as a white powder. Recommended storage is at 2–8 °C, with the container kept tightly sealed. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include enzymatic assays, enzyme inhibition studies, protein research and coordination chemistry. Buyers come mainly from academic and industrial research and diagnostics and biotechnology.

We offer E-64, protease inhibitor in 1 mg, 5 mg, 10 mg and 25 mg packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Enzymatic assays
Enzyme inhibition studies
Protein research
Coordination chemistry

Industries

Specifications & identifiers

Chemical identifiers
Product name	E-64, protease inhibitor
Catalogue No.	VQ-002627
CAS Number	66701-25-5
IUPAC name	(2S,3S)-3-[[(2S)-1-[4-(diaminomethylideneamino)butylamino]-4-methyl-1-oxopentan-2-yl]carbamoyl]oxirane-2-carboxylic acid
Molecular formula	C₁₅H₂₇N₅O₅
Molecular weight	357.41 g/mol
Exact mass	357.2012
HSN code	2925
InChIKey	LTLYEAJONXGNFG-DCAQKATOSA-N
SMILES	CC(C)C[C@@H](C(=O)NCCCCN=C(N)N)NC(=O)[C@@H]1[C@H](O1)C(=O)O
PubChem CID	123985

Physical properties
Physical form	Powder
Appearance	White powder
LogP (XLogP3)	-0.9
H-bond donors / acceptors	5 / 6
TPSA	172 Å²
Storage	2–8 °C
Synonyms	trans-Epoxysuccinyl-L-leucylamido(4-guanidino)butane, L-trans-3-Carboxyoxiran-2-carbonyl-L-leucylagmatine, N-(trans-Epoxysuccinyl)-L-leucine 4-guanidinobutylamide, Proteinase inhibitor E 64, trans-epoxysuccinyl-l-leucylamido-(4-guanidino)butane, E 64, Thiol protease inhibitor, E 64 (proteinase inhibitor), Proteinase inhibitor E64, 5-18-07-00006 (Beilstein Handbook Reference), EX-A2284, IES-4096

Safety & hazard information (GHS)

Health hazard

Signal word: Warning

Hazard statements

H371May cause damage to organs

Precautionary statements: P260, P264, P270, P308 + P316, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of E-64, protease inhibitor?

The CAS Registry Number of E-64, protease inhibitor is 66701-25-5. It is also known as trans-Epoxysuccinyl-L-leucylamido(4-guanidino)butane, L-trans-3-Carboxyoxiran-2-carbonyl-L-leucylagmatine, N-(trans-Epoxysuccinyl)-L-leucine 4-guanidinobutylamide.

What is the molecular formula and molecular weight of E-64, protease inhibitor?

E-64, protease inhibitor has the molecular formula C15H27N5O5 and a molecular weight of 357.41 g/mol. Its IUPAC name is (2S,3S)-3-[[(2S)-1-[4-(diaminomethylideneamino)butylamino]-4-methyl-1-oxopentan-2-yl]carbamoyl]oxirane-2-carboxylic acid.

Which grade and pack sizes of E-64, protease inhibitor can I order?

We supply E-64, protease inhibitor, in 1 mg, 5 mg, 10 mg, 25 mg, 100 mg, 1 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with E-64, protease inhibitor?

Yes. Every lot of E-64, protease inhibitor is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can E-64, protease inhibitor be shipped internationally?

Yes. E-64, protease inhibitor is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

How should E-64, protease inhibitor be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.