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Merck
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Key Documents

L0649

Sigma-Aldrich

Leupeptin hydrochloride

powder, ≥70% (HPLC)

동의어(들):

Acetyl-Leu-Leu-Arg-al hydrochloride

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About This Item

실험식(Hill 표기법):
C20H38N6O4 · HCl
CAS Number:
Molecular Weight:
463.01
MDL number:
UNSPSC 코드:
12352202
PubChem Substance ID:
NACRES:
NA.77

product name

Leupeptin hydrochloride, microbial, ≥70% (HPLC)

생물학적 소스

microbial

Quality Level

분석

≥70% (HPLC)

형태

powder

solubility

water: 50 mg/mL, clear, colorless to yellow

저장 온도

−20°C

SMILES string

Cl.CC(C)CC(NC(C)=O)C(=O)NC(CC(C)C)C(=O)NC(CCCNC(N)=N)C=O

InChI

1S/C20H38N6O4.ClH/c1-12(2)9-16(24-14(5)28)19(30)26-17(10-13(3)4)18(29)25-15(11-27)7-6-8-23-20(21)22;/h11-13,15-17H,6-10H2,1-5H3,(H,24,28)(H,25,29)(H,26,30)(H4,21,22,23);1H

InChI key

OQQYPQNFLLAILR-UHFFFAOYSA-N

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생화학적/생리학적 작용

Inhibitor of serine and cysteine proteases. Inhibits plasmin, trypsin, papain, calpain, and cathepsin B. Does not inhibit pepsin, cathepsins A and D, thrombin, or α-chymotrypsin. Effective concentration 10-100 μM. There have been numerous studies using leupeptin to protect against hearing loss caused by acoustic overstimulation or the ototoxic antibiotic gentamicin. (Loss of cochlear hair cells is believed to be mediated by calpain.)

분석 메모

Leupeptin gives multiple peaks on HPLC because of the formation of tautomeric isomers in solution. Majority of contaminating peptide is racemized leupeptin.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

Eyeshields, Gloves, type N95 (US)


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